Pulsafeeder Isochem RGT IOM User Manual

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Regenerative Turbine Pump

Installation Operation Maintenance Instruction

Bulletin #: IOM – RGT0700 - Rev. C

Manufacturers of Quality Pumps, Controls and Systems

Engineered Pump Operations 2883 Brighton-Henrietta Townline Road Rochester, New York 14623

Telephone: (585) 292-8000 Fax: (585) 424-5619 http://www.pulsa.com pulsa@idexcorp.com

ISOCHEM RGT FACTORY SERVICE POLICY

If you are experiencing a problem with your Isochem pump, first review the troubleshooting guide. If the problem is not covered or cannot be solved, please contact your local authorized Sales Representative or our Technical Service Department at (585) 292-8000 for further assistance.

Trained individuals are available to diagnose your problem and arrange a solution. Solutions may include purchasing a replacement unit or returning the pump to the factory for inspection and repair. All returns require a Return Material Authorization (RMA) number to be issued by Pulsafeeder. Replacements purchased under a possible warranty situation may be credited after an examination of the original equipment by Pulsafeeder personnel.

All components may be purchased for field replacement. Refer to the appropriate IOM section for more information and part numbers. Parts purchased to correct a warranty issue may be credited after examination of the original parts by Pulsafeeder personnel. Parts returned for warranty consideration that test satisfactorily, will be sent back to the originator via freight collect.

Any field modifications will void the Pulsafeeder warranty. Out-of-warranty repairs will be subject to Pulsafeeder's standard bench fees and testing costs associated with replacement components.

reproduced, stored in a retrieval system or transmitted in any form or any means electronic or mechanical, including photocopying and recording for any purpose other than the purchaser’s personal use without the

written permission of Pulsafeeder.

iii

Table of Contents

1. INTRODUCTION.....................................................................................................................................1

2. SAFETY CONSIDERATIONS ....................................................................................................................3

3. EQUIPMENT INSPECTION.......................................................................................................................3

4. INSTALLATION REQUIREMENTS .............................................................................................................4

5. STARTUP AND OPERATION.................................................................................................................... 7

6. MAINTENANCE .....................................................................................................................................8

6.1 Maintenance Precautions....................................................................................................... 8

6.2 Disassembling the No. 10 Pump ...........................................................................................9

6.3 Disassembling the No. 12 Pump ...........................................................................................11

6.4 Inspection................................................................................................................................ 13

6.4.1 Flow Channel Inspection................................................................................................13

6.4.2 Wear Plate Inspection.....................................................................................................14

6.4.3 Shaft Bearing Inspection................................................................................................14

6.4.4 Choke Point Inspection .................................................................................................. 14

6.5 Parts Replacement.................................................................................................................. 15

6.5.1 Wear Plates ...................................................................................................................... 15

6.5.2 Bearings........................................................................................................................... 15

6.5.3 Reassembling the No. 10 Pump.....................................................................................16

6.5.4 Reassembling the No. 12 Pump ..................................................................................... 20

7. TROUBLESHOOTING GUIDE................................................................................................................... 24

APPENDIX A – SPECIFICATIONS ..................................................................................................................25

APPENDIX B – BOLT PATTERN....................................................................................................................25

APPENDIX C – EXPLODED DRAWING ...........................................................................................................26

APPENDIX D – OPTIONS..............................................................................................................................29

APPENDIX E – BILL OF MATERIALS .............................................................................................................30

APPENDIX F – POWER FRAME ASSEMBLY................................................................................................... 34

Power Frame Maintenance.................................................................................................................35

APPENDIX G – PERFORMANCE CURVES ...................................................................................................... 36

nventions

For the remainder of this bulletin, the following Conventions are in effect.

A WARNING DEFINES A CONDITION THAT COULD CAUSE DAMAGE TO BOTH

THE EQUIPMENT AND THE PERSONNEL OPERATING IT. PAY CLOSE ATTENTION TO ANY WARNING.

Notes are general information meant to make operating the equipment easier.

Change History

Rev # Date Author Section Nature of Change

A 5/22/00 B

C 6-30-2005 BMJ

7/26/00 RM 5.0 Updated Disassembly & Reassembly Procedures. 7/26/00 CA

RM Appendix E Updated Performance Curves. CA Appendix D Updated Bill of Materials.

Appendix B Updated Exploded Drawings. Appendix D Updated Bill of Materials. Appendix E Updated Performance Curves. Misc Verbiage updates Section 2 Added safety information Section 6 Updated reassembly instructions specific to shimming of

front cover for proper clearances

1. Introduction

The Isochem® Regenerative Turbine pump (RGT) is uniquely different from the more familiar types of pumps. As the pumped liquid progresses from suction to discharge, it is continuously circulated between the impeller vanes and the walls of the flow passage in a helical path, the axis of which coincides with the flow passage. This process results in a significantly higher buildup of pressure than that which occurs in the similar but simpler centrifugal pump.

Figure 1

The turbine pump is in many ways an intermediate between the centrifugal and positive displacement types. As discharge pressure increases, flow decreases and the power required to drive the pump increases.

Flow is directly controlled by discharge pressure: the greater the pressure, the lower the flow rate. This can be most readily achieved by throttling the discharge; however care must be taken to not exceed the power level of the motor. Flow can be regulated using a variable bypass system, allowing operation at reduced pressure and power draw by dumping excess flow, usually back to a supply tank.

A very small clearance is maintained between the impeller, wear plates, and other internal surfaces. Since the impeller floats freely in the axial direction relative to the pump, a film of fluid is present on either side of the impeller so that there is no contact and negligible wear between impeller and wear plates.

Isochem RGT pumps use magnetic coupled, sealless technology, which eliminates the need for a rotary mechanical seal and enables the pump to handle hazardous fluids safely with zero leakage.

Standard Isochem RGT pumps are close-coupled (motor mounted directly to the rear of the pump) which provides greater assembled strength, enclosure of moving parts, and compact design. An optional power frame unit is available if required for motor compatibility (see Appendix G).

All Isochem pumps transmit rotation from the motor shaft to the impeller shaft by means of a magnetic drive coupling. An encapsulated driven magnet assembly is installed on the end of the impeller shaft. It is surrounded by a containment can, which constitutes the rearmost part of the pump enclosure. A drive magnet installed on the motor shaft rotates around the containment can. Drive torque is transferred through the containment can by magnetic attraction between the drive and driven magnet assemblies, causing the pump shaft to rotate. The containment can acts as a fluid barrier, eliminating the need for a dynamic seal.

The magnetic coupling has an inherent characteristic that causes it to “decouple” if the coupling torque limit is exceeded. This could happen if a piece of foreign material were to jam the pump impeller or if unusually high torque was developed for any reason.

The magnets can operate decoupled for short periods of time without losing their magnetic strength provided that temperature does not exceed specified limits (refer to Appendix A – Pump Specifications).

The Isochem RGT pump is available in several different materials, and care should be taken that all pump components (housing, wearplates, bearings) are compatible with the process liquid.

Consult with the factory for applications involving a specific gravity or viscosity greater than that of water.

2. Safety Considerations

• Read and understand all related instructions and documentation before attempting to install

or maintain this equipment

• Keep this and all documents (specification sheets, shipment records, maintenance records)

in a safe place which is accessible to those who operate or maintain this equipment.

• Observe all special instructions, notes, and cautions.

• Act with care and exercise good common sense and judgment during all installation,

adjustment, and maintenance procedures.

• Ensure that all safety rules, work procedures, and standards that are applicable to your

company and facility are followed during the installation, maintenance, and operation of this equipment.

• Use for any application other than as described within this documentation is considered

unsafe and voids all certification markings and warranties.

• Always ensure that all factory supplied guards and covers are in place before operating this

equipment.

• The Isochem series of pumps relies on strong magnets to transfer power from the drive to

the pump system. Users are cautioned to keep magnetically sensitive items such as watches, credit cards and ID badges, and medical equipment away from the pump and drive mechanisms.

• See additional maintenance precautions listed in Section 6.

3. Equipment Inspection

Check all equipment for completeness against the order and for any evidence of shipping damage. Shortages or damage must be reported immediately to the carrier and to your Isochem supplier.

If immediate installation is not scheduled, the following steps should be taken:

1. Leave pump in the original shipping carton.

2. Store indoors in a dry environment. Avoid temperature variations.

3. Leave all shipping plugs in place.

4. Contact the motor manufacturer for specific motor storage information.

Occasionally during shipment, storage, or installation. misalignment or other damage can occur. For this reason it is recommended that each unit be tested with water in some convenient area prior to piping into the actual process system.

4. Installation Requirements

The pump installation site should provide easy access for routine maintenance and when possible to protect the pump from the elements and from leaks or drips from nearby process equipment.

Figure 2

IN A POWER FRAME (THAT IS, NOT CLOSE-COUPLED) INSTALLATION, THE USE OF A LOW-

BACKLASH OR RELATIVELY RIGID MOTOR COUPLING IS RECOMMENDED TO PREVENT MAGNETIC DE-COUPLING AT STARTUP OR UNDER WIDELY VARYING PROCESS CONDITIONS.

THE PROVISION OF A “SOFT-START” MOTOR STARTER WILL REDUCE THE POSSIBILITY OF

MAGNETIC DE-COUPLING AT STARTUP WITH A FAST-STARTING OR OVERSIZED MOTOR.

AS THE PUMP IS SUPPORTED BY THE MOTOR MOUNT, TAKE CARE THAT THE SUCTION AND

DISCHARGE PIPING DOES NOT APPLY FORCES OR MOMENTS (TWISTING) TO THE PUMP.

FOR OPTIMUM PERFORMANCE, A MINIMUM 1-1/2 INCH SUCTION LINE SIZE IS RECOMMENDED

1. Bolt the pump down firmly to the mounting surface. Provide for air movement over the electric

DISCHARGE PORT

SUCTION PORT

motor as required. The pump is functionally symmetrical so that the suction and discharge ports can be reversed

(with direction of rotation) and the housing (with cover) can be rotated to suit the installation if required. Refer to Figure 3, for typical installation and the required relation between rotation and direction of flow.

Figure 3

2. It is recommended to install vacuum/pressure gauges in the suction and discharge lines to monitor system operation.

3. Keep suction lines short and straight to minimize friction loss to the pump. Make sure that the pump will not starve or run dry. Flooded suction or gravity feed of fluid to the pump inlet is preferred and eliminates manual priming.

4. Use only full-bore ball valves or gate valves in the suction piping. If suction strainers are used, size them to minimize pressure drop and select a type that is easily cleaned. Strainers should be regularly inspected and cleared of debris as required during operation.

THE ISOCHEM RGT PUMP SHOULD BE USED TO PUMP CLEAN, CLEAR LIQUIDS ONLY. THIS PUMP

CANNOT HANDLE SOLIDS OR PARTICULATES IN THE PROCESS STREAM.

5. Arrange all suction piping and fittings to prevent formation of air pockets. Make sure all joints are air tight.

6. Flush all suction lines prior to mating up to the pump. Use unions or other appropriate fittings for ease of maintenance.

7. Do not spring piping, either suction or discharge, when mating up to the pump. Use supports or hangers at intervals as required. When necessary, provide for thermal expansion and contraction so that no strain is placed upon the pump.

8. Check all bolts and nuts for tightness. Correct any conditions that could cause destructive vibration or leakage.

9. When required, provide a proper system for containment can flush and/or drain.

10. If start-up screens are used, be sure they do not clog and starve the suction system. Start-up screens should be removed prior to placing the system into regular operation.

11. If a flexible suction line is used, select the materials and install them so that they do not collapse (causing a starved condition).

12. When taking suction from a tank or vessel, avoid entry of sludge, solids, etc. into the suction line by placing the suction line inlet above maximum level of solids.

13. When a bypass system is used to control flow from the pump, the bypassed fluid should be piped back to the suction vessel to prevent heat build-up due to recirculation. If it is absolutely necessary to pipe bypass back to the pump suction line, the point of entry should be at least 10 pipe diameters away from the suction inlet. Provision for cooling should be made in the event of excessive heat buildup caused by fluid recirculation.

14. Where pumped fluids may solidify, crystallize, precipitate etc., provision should be made to thoroughly flush the pump and associated piping prior to periods of shutdown. Pay particular attention to proper flushing and draining of the magnetic coupling area because this area will not self drain. There is a drain plug in the rear housing for access to this area.

5. Startup and Operation

• DO NOT DEAD-HEAD

• DO NOT RUN DRY

• DO NOT OPERATE AT FLOW RATES BELOW 2-3 GPM EXCEPT MOMENTARILY

Prior to operation, recheck the suction system to be sure NPSH available to the pump is adequate. Reference Appendix G – Performance Curves for more information. Make sure all suction piping is air tight and clean.

If the pump is equipped with a Power Frame motor mounting arrangement, consult Appendix F for oil fill instructions.

Turn the pump over by hand. If any mechanical binding or other trouble is detected, determine the cause and correct.

Check that electrical service to the motor agrees with the name plate ratings. Jog to check rotation and reconnect the motor if necessary.

THE PUMP SHOULD NEVER BE RUN DRY. DAMAGE TO IMPELLER, BEARINGS AND

WEAR PLATES WILL RESULT. PUMPS SHOULD NEVER BE OPERATED CONTINUOUSLY AT FLOW RATES BELOW 2 GPM (SIZE 10) OR 3 GPM (SIZE 12).

LOCALIZED HEATING WILL REDUCE OPERATING CLEARANCES AND CAN CAUSE

DAMAGE TO THE IMPELLER, COVER, AND/OR REAR HOUSING.

The pump must be primed before operation and any air must be vented from the casing. If foot valves are used, the valve should be of the flapper type and sized to minimize friction loss. Threaded and plugged vents in the pump casing can be provided as an option.

Do not operate the pump against a closed discharge, as this can cause the magnetic drive to decouple. Decoupled operation causes high temperatures that can boil the fluid or damage the magnet assemblies. Should de-coupling occur, stop the motor and restart after the stoppage has been cleared. As a safety precaution, a pressure relief valve bypass system is recommended. Ideally, the pressure relief valve can be set at a low-pressure trip point for startup, ensuring that fluid rapidly and fully floods the pump casing.

Start the pump with the discharge valve slightly open and check for proper operation. Excessive noise or vibration is an indication of harmful cavitation caused by insufficient NPSH. Stop the pump, and correct the issue as required.

6. Maintenance

The timing for maintenance of the pump is established primarily on past performance. Each installation is different. Therefore detailed maintenance records of past performance can be invaluable for determining future preventative maintenance intervals. During routine pump inspections pay particular attention to the bearings, wearplates, and impeller, as those areas will determine future maintenance intervals. For motor maintenance instructions consult the motor manufacturer.

Before performing any maintenance requiring pump disassembly, be sure to flush and drain pump and magnetic drive sections thoroughly with a neutralizing fluid. Wear protective clothing and handle equipment with proper care.

1. When changing a pump from one service to another, be sure to check that all wetted parts of

the pump are compatible with the fluid to be handled and that the motor is sufficiently sized for the application. If in doubt contact your Isochem supplier.

2. All magnetic drive couplings have a specific maximum torque limit. If this torque is

exceeded the drive will decouple. Operation in the decoupled mode should be avoided as high temperatures could be generated.

3. Should the pump exhibit reduced flow rate or pressure capability, noise, or otherwise

abnormal operation, first refer to the troubleshooting section. If the problem cannot be found, inspect the pump for wear or damage. It can be easily opened for partial wet end cleaning and inspection without disturbing piping connections by removing just the front cover.

6.1 Maintenance Precautions

1. Drain and flush pump and magnetic drive before any pump disassembly. Access to the

magnetic drive area is provided by a drain plug in the pump housing. Use caution as this section of the pump will not fully self-drain.

2. The exposed magnets on the drive magnet assembly are very fragile and will chip easily. Use

extreme care while handling them. Keep wristwatches, credit cards, ID badges, and other sensitive items away from the magnetic fields.

3. Take care to avoid particles or objects from attaching themselves to the drive magnets. It is

difficult to remove small particles and larger objects could be attracted with enough force to break the magnets.

4. Be careful during disassembly and re-assembly of the drive and driven magnet assemblies.

The attraction forces are high and when the magnets come close together there is a strong tendency to snap together suddenly, possibly causing pinching or worse to fingers. Get help, often two people may be required to safely separate or re-attached the drive and driven sections of the pump.

DO NOT MACHINE THE MAGNETS IN THE DRIVE OR DRIVEN MAGNET ASSEMBLIES. THE

DUST THAT WOULD BE PRODUCED IS HIGHLY FLAMMABLE.

5. The model number stamped on the pump nameplate identifies the pump type and other

details. Refer to the model number chart if you are unsure of exactly what type of pump you have. Always refer to the full model and serial number in any correspondence with your Isochem supplier.

6.2 Disassembling the No. 10 Pump

The item numbers listed in parenthesis refer to the exploded drawings found in Appendix B.

1. Close the suction and discharge valves.

2. Disconnect the power source from the motor.

3. Flush and drain the pump, and disconnect the piping.

4. Drain the containment can through the rear housing drain plug (item 27) (refer to Figure 4).

5. Remove the cover bolts (items 15) and remove the front cover (item 2) by carefully

withdrawing it straight back to avoid damage as the drive shaft (item 4) is withdrawn from the cover bearing (item 9).

6. The two housing pins (items 13) should remain in place in the rear housing (item 1).

7. Remove the thin plastic shims (item 3), if any, between the cover and the housing.

(The standard shim is plastic. Metal shims are used at higher temperatures.)

8. Remove the rear housing screws (item 26) and separate the rear housing (item 1) from the

casing (item 20). This will require physical force to overcome the magnetic attraction between the drive and driven magnet assemblies. Do not pry on one edge, but carefully withdraw it straight back to avoid damage. The magnets are fragile and easily damaged by rough handling. Two people may be required to separate the magnets safely.

9. Use a small screwdriver to remove the retaining ring (item 14) from the impeller assembly

(item 6) shaft at the rear of the driven magnet assembly (item 18) and withdraw the driven magnet assembly (item 18) from the impeller assembly shaft, taking care to retain the magnetic coupling drive key (item 8).

10. The spool is removed by removing the motor bolts (item 23) and withdrawing it back from

the motor.

11. Remove the retaining ring (item 14) at the rear of the rear housing (item 1) from the impeller

assembly (item 6) shaft.

12. Remove the impeller assembly from the front of the rear housing.

Do not remove the drive magnet assembly unless it or the motor is to be replaced.

13. If removal of the drive magnet is required, perform the following steps:

a) Remove the guard screw (item 37) from the guard.

b) Remove the guard (item 38) from around the spool.

c) Remove the casing bolts (items 35) and withdraw the casing (item 20).

d) Loosen the drive magnet assembly set screw (item 24).

Rotate the drive magnet assembly until the set screw is visible through one of the slots in the spool (item 29). Use a 1/8-inch Allen wrench to loosen the set screw. A second hole has been added to the drive magnet assembly for balance purposes. This “balance hole” is located 180° from the set screw

e) Slide the drive magnet assembly off the motor shaft.

14. The spool is removed by removing the motor bolts (items 23) and withdrawing it back from

the motor.

15. Thoroughly clean all parts before reassembly.

6.3 Disassembling the No. 12 Pump

The item numbers listed in parenthesis refer to the exploded drawings found in Appendix B.

1. Close the suction and discharge valves.

2. Disconnect the power source from the motor.

3. Flush and drain the pump, and disconnect the piping.

4. Drain the containment can through the rear housing drain plug (item 27) (refer to Figure 4).

5. Remove the cover bolts (items 15) and remove the front cover (item 2) by carefully

withdrawing it straight back to avoid damage as the drive shaft (item 4) is withdrawn from the cover bearing (item 9).

6. The two housing pins (items 13) should remain in place in the rear housing (item 1).

7. Remove the thin plastic shims (item 3), if any, between the cover and the housing.

(The standard shim is plastic. Metal shims are used at higher temperatures.)

8. Remove the rear housing screws (items 26) and separate the rear housing (item 1) from the

9. Use a small screwdriver to remove the retaining ring (item 14) from the impeller assembly

(item 6) shaft at the rear of the driven magnet assembly (item 18).

10. The containment can (item 19) can be withdrawn from the casing (item 20). The containment

can “O”-ring (item 28) will normally remain in position on its rabbet on the back of the rear housing (item 1).

Do not remove the drive magnet assembly unless it or the motor is to be replaced.

11. If removal of the drive magnet is required, perform the following steps:

a) Remove the guard screw (item 37) from the guard.

b) Remove the guard (item 38) from around the spool.

c) Remove the casing bolts (items 35) and withdraw the casing (item 20).

d) Loosen the drive magnet assembly set screw (item 24).

e) Slide the drive magnet assembly off the motor shaft.

12. The spool is removed by removing the motor bolts (items 23) and withdrawing it back from

the motor.

13. Thoroughly clean all parts before reassembly.

6.4 Inspection

Figure 4

6.4.1 Flow Channel Inspection

The rear housing has two cooling ports located in the flow channel that divert essential cooling fluid to the magnetic drive chamber. Check and clear these ports if necessary using a piece of wire or a drill bit of appropriate size

The Cooling Port size in standard pumps is 5/32” (4 mm).

6.4.2 Wear Plate Inspection

Inspect the two wear plates (items 11) for damage or wear. The carbon wear plates are identical and are recessed in the front cover and rear housing.

They should protrude slightly above the surfaces in which they are mounted (Verify this by dragging your fingernail across the mounting surface. Your fingernail should catch slightly as it passes over the wear plate.) If the wear plate does not protrude above the housing, replace it. Over time friction will cause a deterioration of the wear plates and a resultant reduction in pressure capability, which is cause for replacement of the wear plate in the absence of another known cause of pressure reduction.

Use of wearplates that do not meet original specifications may result in contact between the impeller and housings, causing damage to both components.

6.4.3 Shaft Bearing Inspection

Inspect the Cover bearing (item 9) and the Housing bearing (item 9) for damage or wear. The maximum diametrical clearance (bearing ID minus shaft OD) is 0.006 inches (0.15mm)

6.4.4 Choke Point Inspection

The “Choke Point” is the area between the two ports, and is the only place where the impeller and housing run closely together. A near-contact clearance is required in this area to maintain maximum pressure capability.

Perform an internal inspection as follows: a) Inspect the outer diameter of the impeller (item 6). b) Inspect inner surface of the cover (item 2) at the choke point, paying special attention to

the area between the inlet and the outlet ports.

c) Inspect inner surface of the rear housing (item 1) at the choke point, paying special

attention to the area between the inlet and the outlet ports.

Examine this area for evidence of scoring, corrosion, and any other physical damage or wear.

6.5 Parts Replacement

The item numbers listed in parenthesis refer to the exploded drawings found in Appendix B.

A dental–type tool such as the one shown to the right works well when removing the wear plates and bearings.

6.5.1 Wear Plates

1. Two small opposed holes are provided in the housing and cover adjacent to the outer surface

of each wear plate (refer to Figure 4). To remove the wear plate, insert a small tool in each hole and pry evenly between the two to facilitate plate removal without breakage.

2. Thoroughly clean all parts before reassembly.

3. To replace the wear plates, first ensure that both plates and grooves are absolutely clean and

free of debris since the plates must seat fully.

4. Insert the replacement plate and press lightly all around to ensure uniform bottoming and to

avoid breaking the carbon wear plates, which are relatively brittle. Ensure that the antirotation pin (item 12) remains in place; replacement of this part is not normally required. This part is identical to that used for both bearings in the Size 10 pump, but in the Size 12 pump, the bearing pin is different from the wearplate pin.

6.5.2 Bearings

When replacing bearings, ensure that the anti-rotation pin (item 12) remains in place; replacement of this part is not normally required.

6.5.3 Reassembling the No. 10 Pump

Trial fit new magnet assemblies on the shaft prior to final assembly. The magnet assembly must be free to move axially along the shaft between the retaining rings. Sharp edges especially around key ways may require hand dressing with a fine file so that this free movement is achieved.

1. If the motor has been removed or replaced, position it on its mounting bracket and tighten.

2. Position the spool (item 29) so that access to the guard screw hole is provided (refer to

Appendix B) and install and tighten the four (4) motor bolts (items 23).

3. Coat the motor shaft with a small amount of anti-seize compound.

4. Slide the drive magnet assembly onto the motor shaft.

5. Align the keyways in the motor shaft and the drive magnet assembly.

6. Slide the shaft key onto the shaft/drive magnet assembly. Position it axially so that the end of

the motor shaft is exactly flush with the face of the drive magnet assembly.

7. Position the casing (item 20) on the spool (item 29).

8. Install and tighten the casing bolts (items 35) to 72 in. –lb (810 N-cm).

9. Move the drive magnet assembly by hand to verify free movement throughout its travel.

If any clearance problem is noted, position the drive magnet assembly accordingly.

10. Coat the set screw with removable thread locking compound.

11. Start the set screw (item 24) in the drive magnet assembly (item 21).

12. Tighten the set screw through a hole in the spool (item 29) to 35 in.-lb (400 N-cm). The

screw socket fits a 1/8” Allen wrench.

Because of the distortion usually applied during removal, all retaining rings should be replaced for reassembly.

13. Position the guard (item 36) around the spool (item 29) and insert and tighten the guard screw

(item 37).

14. Insert the keyway end of the impeller assembly (item 6) shaft into the front of the rear

housing (item 1), taking care to avoid damage to the housing bearing (item 9).

15. Install the Driven Magnet Assembly (item 18) on the drive shaft (item 4).

a) Install the Driven Magnet Assembly inner retaining ring (item 14) by carefully expanding

it over the end of the impeller assembly (item 6) and pushing it along the shaft past the front groove for the outer retaining ring, which will require that the ring be carefully expanded no more than necessary to pass the groove before arriving and seating fully in

the back groove. b) Position the Driven Magnet drive key (item 8) in its keyway. c) Slide the Driven Magnet Assembly (item 18) on the impeller assembly (item 6). (The flat

side towards the rear housing.) d) Install the Driven Magnet outer retaining ring (item 14) by carefully expanding it over the

end of the impeller assembly (item 6) and pushing it into the its groove. Verify that the

Magnet Assembly floats freely back and forth between the retaining rings. This requires

that both retaining rings be fully seated in their respective grooves.

Figure 5

16. Install the containment can (item 19) in the casing.

17. Install a new containment can “O”-ring (item 28) on the back of the rear housing (item 1). Placing the “O”-ring in warm water prior to installation will momentarily soften the material making installation easier.

THE MAGNETIC ATTRACTIVE FORCE IS CONSIDERABLE. TAKE CARE NOT TO CHIP THE

MAGNETS AND TO AVOID PINCHING OF FINGERS WHEN THE ASSEMBLY SNAPS TOGETHER.

18. Install the rear housing (item 1) to the casing (item 20). Magnetic attraction will draw the rear housing and the casing together. The use of four

assembly guide pins screwed into the rear housing is recommended. These pins can be made from 1/4-28 threaded rod or cut-off bolts.

19. Install the rear housing screws (items 26). Tighten evenly to 72 in. –lb (810 N-cm) in an “X” pattern in small intervals (do not tighten one side excessively and then tighten the opposite side, as this will tend to crush the TFE “O”-ring and cause a leak).

20. Omitting the front cover “O”-ring, trial assemble the front cover with no shims (item 3). a) Install and hand tighten the cover bolts (items 15) evenly. b) Using feeler gauges, measure and record the gap between the rear housing and the front

cover around the circumference of the pump, between each set of cover bolts.

c) Add the six measurements and divide by six to determine the average clearance between

the two surfaces.

d) Reove the bolts and the front cover. Add shims equal to the measurement obtained in

step “c” above. Red shims are 0.002” thick, and green shims are 0.003” thick. Use no more shims than necessary, as the pressure capability of the pump is directly related to the internal clearances between the impeller and the housings.

e) After the shims are in place, install the O-ring (item28) over the inner barrel of the front

cover, seating it fully and smoothly against the shoulder.

f) Install the cover, taking care to avoid damage to the outer bearing (item 9) and ensuring

that the O-ring seats in the rabbet in the rear housing without pinching. Install the cover bolts (item 15) and tighten to 220 in-lb. (2490 N-cm) using the pattern shown in Appendix B.

g) Remove the pipe plug (item 27) from the central face of the front cover to expose the

tapped hole in the end of the shaft and thread a 1/4-20 screw into the shaft to rotate the shaft (refer to Figure 6). With the screw bottomed hand-tight in the shaft, free axial play of the shaft relative to the impeller can be confirmed by alternately pushing and pulling the screw. This condition is essential since it confirms that the impeller floats axially on the shaft. If there is significant resistance to rotation, additional shimming is required, using a starting value of 0.002”.

Figure 6

h) Remove the screw, and replace the access pipe plug (item 27) using pipe joint compound

or tape.

21. Verify that the rear housing drain plug (item 27) is installed; if not, do so using pipe joint compound or tape.

22. Refer to the Installation and Startup instructions to return the pump to service.

6.5.4 Reassembling the No. 12 Pump

Trial fit new magnet assemblies and impellers on the assorted shafts prior to final assembly. The magnet assembly and impeller must be free to move longitudinally along the shaft between the retaining rings. Sharp edges especially around key ways may require hand dressing with a fine file so that this free movement is achieved.

1. If the motor has been removed or replaced, position it on its mounting bracket and tighten.

2. Position the spool (item 29) so that access to the guard screw hole is provided (refer to Appendix B) and install and tighten the four (4) motor bolts (items 23).

3. Coat the motor shaft with a small amount of anti-seize compound.

4. Slide the drive magnet assembly onto the motor shaft.

5. Align the keyways in the motor shaft and the drive magnet assembly.

6. Slide the shaft key onto the shaft/drive magnet assembly. Position it axially so that the end of the motor shaft is exactly flush with the face of the drive magnet assembly.

7. Position the casing (item 20) on the spool (item 29).

8. Install and tighten the casing bolts (items 35) to 72 in. –lb (810 N-cm).

9. Rotate the drive magnet assembly by hand, to verify free movement. If any clearance problem is noted, position the drive magnet assembly accordingly.

10. Coat the set screw with removable thread locking compound.

11. Start the set screw (item 24) in the drive magnet assembly (item 21).

12. Tighten the set screw through a hole in the spool (item 29) to 35 in.-lb (400 N-cm). The screw socket fits a 1/8” Allen wrench.

Because of the distortion usually applied during removal, all retaining rings should be replaced for reassembly.

Figure 7

13. Position the guard (item 36) around the spool (item 29) and insert and tighten the guard screw (item 37).

14. Install the Driven Magnet Assembly (item 18) on the drive shaft (item 4). a) Install the Driven Magnet Assembly inner retaining ring (item 14) by carefully expanding

it over the end of the drive shaft (item 4) and pushing it along the shaft past the front groove for the outer retaining ring, which will require that the ring be carefully expanded no more than necessary to pass the groove before arriving and seating fully in the back

groove. b) Position the Driven Magnet drive key (item 8) in its keyway. c) Slide the Driven Magnet Assembly (item 18) on the driveshaft (item 4). (The flat side

towards the rear housing.) d) Install the Driven Magnet outer retaining ring (item 14) by carefully expanding it over the

end of the drive shaft (item 4) and pushing it into the its groove.

Verify that the Magnet Assembly floats freely back and forth between the retaining rings.

This requires that both retaining rings be fully seated in their respective grooves.

15. Insert the Drive Shaft (item 4) with the Driven Magnet Assembly (item 18) attached into the back of the rear housing (item 1), taking care to avoid damage to the housing bearing (item

9).

Figure 8

16. Install the Impeller (item 6) on the drive shaft (item 4). a) Install the Impeller inner retaining ring (item 14).

Carefully expand the retaining ring over the end of the drive shaft (item 4) and push it along the shaft past the front groove for the outer retaining ring, which will require that the ring be carefully expanded no more than necessary to pass the groove before arriving

and seating fully in the back groove. b) Position the Impeller drive key (item 8) in its keyway. c) Slide the Impeller (item 6) on the drive shaft (item 4).

d) Install the Impeller outer retaining ring (item 14) by carefully expanding it over the end

of the drive shaft (item 4) and pushing it into the its groove.

Verify that the Impeller floats freely back and forth between the retaining rings. This

requires that both retaining rings be fully seated in their respective grooves.

17. Install the containment can (item 19) in the casing.

18. Install a new containment can “O”-ring (item 28) on the back of the rear housing (item 1). Placing the “O”-ring in warm water prior to installation will momentarily soften the material making installation easier.

THE MAGNETIC ATTRACTIVE FORCE IS CONSIDERABLE. TAKE CARE NOT TO CHIP THE

MAGNETS AND TO AVOID PINCHING OF FINGERS WHEN THE ASSEMBLY SNAPS TOGETHER.

19. Install the rear housing (item 1) to the casing (item 20). Magnetic attraction will draw the rear housing and the casing together. The use of four

assembly guide pins screwed into the rear housing is recommended. These pins can be made from 1/4-28 threaded rod or cut-off bolts.

20. Install the rear housing screws (items 26). Tighten evenly to 72 in. –lb (810 N-cm) in an “X” pattern in small intervals (do not tighten one side excessively and then tighten the opposite side, as this will tend to crush the TFE “O”-ring and cause a leak).

21. Omitting the front cover “O”-ring, trial assemble the front cover with no shims (item 3). e) Install and hand tighten the cover bolts (items 15) evenly. f) Using feeler gauges, measure and record the gap between the rear housing and the front

cover around the circumference of the pump, between each set of cover bolts.

g) Add the six measurements and divide by six to determine the average clearance between

the two surfaces.

h) Reove the bolts and the front cover. Add shims equal to the measurement obtained in

i) After the shims are in place, install the O-ring (item28) over the inner barrel of the front

cover, seating it fully and smoothly against the shoulder.

j) Install the cover, taking care to avoid damage to the outer bearing (item 9) and ensuring

that the O-ring seats in the rabbet in the rear housing without pinching. Install the cover bolts (item 15) and tighten to 220 in-lb. (2490 N-cm) using the pattern shown in Appendix B.

k) Remove the pipe plug (item 27) from the central face of the front cover to expose the

tapped hole in the end of the shaft and thread a 1/4-20 screw into the shaft to rotate the shaft (refer to Figure 9). With the screw bottomed hand-tight in the shaft, free axial play of the shaft relative to the impeller can be confirmed by alternately pushing and pulling the screw. This condition is essential since it confirms that the impeller floats axially on the shaft. If there is significant resistance to rotation, additional shimming is required, using a starting value of 0.002”.

Figure 9

l) Remove the screw, and replace the access pipe plug (item 27) using pipe joint compound

or tape.

22. Verify that the rear housing drain plug (item 27) is installed; if not, do so using pipe joint compound or tape.

23. Refer to the Installation and Startup instructions to return the pump to service.

7. Troubleshooting Guide

Symptom Probable Cause Remedy

No Liquid Delivered

Low Liquid Delivery

Low Discharge Pressure

Pump Gradually Loses Prime

Pump Noisy

Motor runs hot or Overloads

Pump not primed. Prime pump. Motor Incorrectly wired. Check wiring diagram. Air leak in suction. Locate and repair. Rotation direction incorrect. Reverse rotation. Suction and/or discharge

valves closed. Suction lift too high. Do not exceed vapor pressure of liquid. Magnetic coupling decoupled. Stop motor, eliminate blockage or jamming and restart. If no

Discharge head higher than calculated.

Air leak in suction. Repair leak. Rotational speed incorrect. Check speed and wiring. Rotation direction incorrect. Reverse rotation. Suction lift too high. Increase suction pressure. Impeller or housing worn. Inspect and repair as required. Wear plates worn. Inspect and repair as required.

Rotational speed incorrect. Check Speed. Air leak in suction. Repair leak. Air or gas in liquid. Eliminate air or gas. Impeller or Housing worn. Inspect and repair as required. Wear plates worn. Inspect and repair as required.

Air pocket in suction line. Eliminate pocket. Air entering suction line. Keep suction inlet submerged at all times.

Pump worn or damaged. Inspect and repair as required. Air or gas in liquid. Eliminate air or gas.

It is normal for motors to feel hot even when not overloaded.

Motor wired incorrectly. Check wiring diagram. Voltage or frequency low. Correct condition. Motor not sized correctly for

the flow. Heavy or viscous liquid being

pumped. Binding internal pump parts. Inspect and correct condition.

Open valves.

blockage exists verify that operating conditions do not exceed capabilities of the pump. If de-coupling persists upon startup, a “soft-start” motor starter may be required to accommodate a fast-starting or oversized motor.

Reduce discharge restrictions eg: Open throttle valve.

Check the actual temperature of the motor housing with suitable instrumentation. Verify the figures with the motor manufacturer.

Higher pressures may require more power than the motor is capable of.

Pumping fluids heavier or more viscous than water requires a larger motor.

Appendix A – Specifications

Pump Model RGT 10 RGT 12

Maximum Flow, GPM (LPM) @ 3450 RPM 14.5 (55.0) 23.3 (88.3) Maximum Flow, GPM (LPM) @ 2875 RPM 11.0 (41.7) 19.0 (72.0) Maximum Flow, GPM (LPM) @ 1725 RPM 4.5 (17.1) 9.8 (37.1) Maximum Head, FT ( METERS) 427 (130) 693 (211) Maximum Discharge Pressure, PSIG (Bar) 300 (20.7) 300 (20.7) Maximum Suction Pressure, PSIG (Bar) 100 (6.9) 100 (6.9) Suction Size 1” FNPT/FBSPT 1” FNPT/FBSPT Discharge Size 1” FNPT/FBSPT 1” FNPT/FBSPT Temperature Range, Neodymium -150º to +300º F

-101º to +149º C

Temperature Range, Samarium -150º to +450º F

-101º to +232º C Maximum Viscosity* cp 100 100 Speeds RPM 3450, 2875, 1725 3450, 2875, 1725 Weight, LBS, (KG) 36 (16.40) 40 (18.1) Maximum Power 5 HP 7-1/2 HP

-150º to +300º F

-101º to +149º C

-150º to +450º F

-101º to +232º C

*Consult factory for viscosity requirements higher than 100 cp

Appendix B – Bolt Pattern

1. Torque all six fasteners to 110 in-lbs (12.4 N-m) first, following the sequence in the Figure 10

below.

2. Then torque all fasteners to the final value of 220 in-lbs (24.8 N-m), again following the same

sequence.

Figure 10

Appendix C – Exploded Drawing

Appendix D – Options

POSITION 1 REGENERATIVE TURBINE MAGNETICALLY DRIVEN SEALLESS RGT = C-FACE MOTOR MOUNTING ASSEMBLY. (1) – 10, 12

POSITION 2 PUMP SIZE 10 12

Port Size Inches FNPT/BSPT Capacity MAX. GPM (M3/H) Differential Head MAX. Ft. (M)

POSITION 3 AVAILABLE PUMP METAL AND TYPE PORT CONNECTION

A = 316SS FNPT C = ALLOY C FNPT K = 316SS FBSPT M = ALLOY C FBSPT

POSITION 4 IMPELLER AND SHAFT MATERIAL

A = 316SS C = ALLOY C

POSITION 5 WEAR PLATE MATERIAL

L = Carbon T = TFE (Glass Filled) (2)

POSITION 6 BEARING MATERIAL

K = Standard Carbon L = Extended Life Carbon T = TFE (Glass Filled) (2)

POSITION 7 MAG DRIVE MOUNTING ARRANGEMENT

0 = 143TC– 184C FRAME (U.S.) (3) R = 182-184TC FRAME (U.S.) W = 213-215TC FRAME (U.S.) K = 80 FRAME, (∅100mm B.C. ) (Metric) L = 90 FRAME, (∅115mm B.C. ) (Metric)

POSITION 8 OPTIONS

B = PFA Coated SS Hsg O-Rings, Metallic Bearing, Wearplate Lock Pins, and Spacer Shim Assembly. (Required for temperatures above 200°F (93°C)

H = PFA Coated SS Hsg O-Rings / Metallic Bearing, Wearplate Lock Pins and Spacer Shim

Assembly. Samarium Cobalt Magnets (Required for temperatures above 300°F (149°C) M = Alloy C Containment Can (For 316SS Construction Pumps) X X S = Samarium Cobalt Magnet X X W = Welded Driven Magnet Assy (Samarium Cobalt Magnets ONLY) X X

POSITION 9 OPTIONS Consult your local representative for options to meet your special requirements.

Notes:

1.) All pumps require motors with feet..

2.) Only for temperatures below 110°F (43°C).

3.) Pedestal assembly A123208 with a foot-mounted motor is optional.

Use “O” in position 7 of the pump model number. Pedestal to be ordered as a separate line item.

1.00”

14.5 (3.29) 427 (130)

X X X X

X X

X X X

X X

X X X X

1.00”

23.3 (5.29) 693 (211)

X X X X

X X

X X X

X X X X X

Appendix E – Bill of Materials

SECTION: REGENERATIVE TURBINE

ISOCHEM RGT SERIES PUMP CONSOLIDATED BILL OF MATERIALS

POSITION 3 STANDARD PUMP METALLURGIES, PORT CONN

DESCRIPTION QTY PART No. MATL PART No. MATL ITEM POSITION 2 PUMP SIZE – NON-VARIABLE COMPONENTS

STANDARD PUMP – NON-VARIABLE COMPONENTS

POSITIONS 8, 9 OPTIONS – DELETE CORRESPONDING STANDARD PUMP COMPONENT FROM THE BILL OF MATERIALS

M CONTAINMENT CAN 1 49605 Alloy C – – – – – – 19 + SPACER, SHIM ASSY 1 Y1400400-000 188SS Y1400400-000 188SS 3 DRVN MAG ASSY (O-RING) / (SAMAR) 1 49616 316SS 49643 Alloy C 18

H HIGH TEMPERATURE APPLICATION COMBINE PUMP OPTIONS B AND S

* COMPONENT QUANTITY MAY BE CUMULATIVE OVER THE ENTIRE BILL OF MATERIALS + DENOTES RECOMMENDED SPARE PART.

COVER, FRONT 1 Y0202100-316 316SS Y0202100-HCO ALLOY C 2 HOUSING, REAR (A, C) FNPT Y0502300-316 316SS Y0502300-HCO ALLOY C HOUSING, REAR (K, M) BFNPT COVER, FRONT 1 Y0202200-316 316SS Y0202200-HCO ALLOY C 2 HOUSING, REAR (A, C) FNPT Y0502400-316 316SS Y0502400-HCO ALLOY C HOUSING, REAR (K, M) BFNPT

+ SPACER, SHIM ASSY 1 Y1400300-000 POLYEST Y1400300-000 POLYEST 3 + RING, RETAINING DRV. MAG. + KEY, MAGNETIC CPLG – DRIVEN 1 41933 ALLOY 20 41934 ALLOY C 8 + PIN, BEARING LOCK + PIN, WEARPLATE LOCK *2 41801 TFE 41801 TFE 12

+ O-RING, COVER *1 W209729-TFE TFE W209729-TFE TFE 28 PIN, HOUSING *2 41802 ALLOY 20 41802 ALLOY 20 13 SCREW, REAR HOUSING 4 W770269-STA STL W770269-STA STL 26 BOLT, FRONT COVER 6 W770426-188 188SS W770426-188 188SS 15 PLUG, 1/8” NPT 3 W772565-316 316SS 52301 ALLOY C 27 NAMEPLATE 1 41210 188SS 41210 188SS --

+ PIN, BEARING LOCK + PIN, WEARPLATE LOCK *2 41802 Alloy 20 41806 Alloy C 12

+ 0-RING, COVER / CNTNMNT CAN 2 41112 SS/PFA 41112 SS/PFA 28

DRV MAG ASSY 140TC FR (S) #10 Y1900900-000 STL Y1900900-000 STL

DRV MAG ASSY 140-80TC FR (S) #12 49604-3 STL 49604-3 STL DRV MAG ASSY, 80 FR (S) 49735 STL 49735 STL DRV MAG ASSY 90 FR (S)

DRVN MAG ASSY (WELDED) / (SAMAR) 1 49660 316SS 49659 Alloy C 18

#10 *2 46713 ALLOY 20 46701 ALLOY C #12 1 46713 ALLOY 20 46701 ALLOY C

#10 41801 TFE 41801 TFE #12

#10 41802 Alloy 20 41806 Alloy C #12

PAGE: 200 EFFECTIVE: 06/27/00 SUPERSEDES: 03/06/00

316SS

(A) OR (K)

Y0502500-316 316SS Y0502500-HCO ALLOY C

Y0502600-316 316SS Y0502600-HCO ALLOY C

41811 TFE 41811 TFE

41812 Alloy 20 41813 Alloy C

49736 STL 49736 STL

ALLOY C

SECTION: REGENERATIVE TURBINE

ISOCHEM RGT SERIES PUMP CONSOLIDATED BILL OF MATERIALS

POSITION 3 STANDARD PUMP METALLURGIES

DESCRIPTION QTY PART No. MATL PART No. MATL ITEM POSITION 4 IMPELLER AND SHAFT MATERIAL

+ IMPELLER ASSEMBLY Y0101000-316 316SS ------------ ------ IMPELLER Y0100800-316 316SS ------------ ------ SHAFT, DRIVE Y0704100-316 316SS ------------ -------

POSITION 5 WEAR PLATE MATERIAL

L + WEAR PLATE Y2000100-000 EWCBN Y2000100-000 EWCBN T + WEAR PLATE

POSITION 6 BEARING MATERIAL

K + BEARING, SHAFT L + BEARING, SHAFT T + BEARING, SHAFT

KEY, IMPELLER 41933-1 Alloy 20 ------------ ------ RING, RETAINING + IMPELLER 1 Y0100900-316 316SS ------------ ------- 6 + SHAFT, DRIVE 1 Y0704200-316 316SS ------------ ------- 4 + KEY, IMPELLER 1 41933-1 Alloy 20 ------------ ------- 7 + RING, RETAINING + IMPELLER ASSEMBLY Y0101000-HCO Alloy C Y0101000-HCO Alloy C IMPELLER Y0100800-HCO Alloy C Y0100800-HCO Alloy C SHAFT, DRIVE Y0704100-HCO Alloy C Y0704100-HCO Alloy C KEY, IMPELLER 41931-1 Alloy C 41934-1 Alloy C RING, RETAINING + IMPELLER 1 Y0100900-HCO Alloy C Y0100900-HCO Alloy C 6 + SHAFT, DRIVE 1 Y0704200-HCO Alloy C Y0704200-HCO Alloy C 4 + KEY, IMPELLER 1 41934-1 Alloy C 41934-1 Alloy C 7 + RING, RETAINING

#10 1

#12

*2 46710 Alloy 20 ------------ ------- 16

#10 1

#12

*2 46711 Alloy C 46711 Alloy C 16

Y2000100-FTF TFE(GF) Y2000100-FTF TFE(GF)

#10 40426 CARBON 40426 CARBON #12 #10 40430 EWCBN 40430 EWCBN #12 #10 40425 TFE (GF) 40425 TFE (GF) #12

2 2 2

PAGE: 201 EFFECTIVE: 06/27/00 SUPERSEDES: 03/06/00

316SS

(A) OR (K)

46713 Alloy 20 ------------ -------

46701 Alloy C 46701 Alloy C

40436 CARBON 40436 CARBON 40437 EWCBN 40437 EWCBN 40438 TFE (GF) 40438 TFE (GF)

ALLOY C

* COMPONENT QUANTITY MAY BE CUMULATIVE OVER THE ENTIRE BILL OF MATERIALS + DENOTES RECOMMENDED SPARE PART.

SECTION: REGENERATIVE TURBINE

ISOCHEM RGT SERIES PUMP CONSOLIDATED BILL OF MATERIALS

POSITION 3 STANDARD PUMP METALLURGIES

DESCRIPTION QTY PART No. MATL PART No. MATL ITEM POSITION 7 NEODYMIUM MAGNETIC COUPLING COMPONENTS

DRIVEN MAGNET ASSY (0-RING) 1 49738 316SS 49739 ALLOY C 18

COMMON

PARTS

140TC FRAME COMPONENTS **

180 – 210 TC FRAME COMPONENTS

COMMON

PARTS

180TC FRAME COMPONENTS

210TC FRAME COMPONENTS

CONTAINMENT CAN 1 49672 316SS 49605 ALLOY C 19 CASING 1 49610-1 ALU 49610-1 ALU 20 BOLT, CASING *4 16722 STL 16722 STL 35 + O-RING, CNTNMNT CAN *1 W209729-TFE TFE W209729-TFE TFE 28

DRIVE MAGNET ASSY, 140TC FR 1 Y1900600-000 STL Y1900600-000 STL 21 SET SCREW, DRIVE MAGNET ASSY 1 W771004-019 STL W771004-019 STL 24 MOTOR SPOOL 1 49750 ALU 49750 ALU 29

#10

GUARD 1 Y9601600-000 ABS Y9601600-000 ABS 36 SCREW, GUARD 1 W208894-STL STL W208894-STL STL 37 BOLT, MOTOR 4 W770424-STL STL W770424-STL STL 23 DRIVE MAGNET ASSEMBLY 1 49731-3 STL 49731-3 STL 21 DRIVE MAGNET, HOLDER 1 Y1901200-STL STL Y1901200-STL STL 30 SET SCREW, HOLDER 2 W771004-019 STL W771004-019 STL 24 SCREW, HOLDER 2 W770027-STA STL W770027-STA STL 31

#12

DOWEL PIN, HOLDER 2 W771209-003 STL W771209-003 STL 32 MOTOR ADAPTOR COVER 1 Y1101200-ALU ALU Y1101200-ALU ALU 29A MOTOR ADAPTOR 1 Y1101300-ALU ALU Y1101300-ALU ALU 29 BOLT, ADAPTOR COVER *6 16722 STL 16722 STL 35 BOLT, MOTOR 4 W770424-STL STL W770424-STL STL 23

DRIVE MAGNET ASSEMBLY 1 49731-3 STL 49731-3 STL 21 MOTOR, ADAPTOR 1 Y1101100-ALU ALU Y1101100-ALU ALU 29 SCREW, HOLDER 2 W770027-STA STL W770027-STA STL 31 DOWEL PIN, HOLDER 2 W771209-003 STL W771209-003 STL 32

DRIVE MAGNET HOLDER 1 Y1901100-STL STL Y1901100-STL STL 30 SET SCREW, HOLDER 2 W771004-030 STL W771004-030 STL 24 SCREW, MOTOR 4 W770070-STA STL W770070-STA STL 23

RING, ADAPTOR 180TC-210TC 1 Y1101400-ALU ALU Y1101400-ALU ALU 38 DRIVE MAGNET HOLDER 1 Y1901300-STL STL Y1901300-STL STL 30 SET SCREW, HOLDER 2 W771004-046 STL W771004-046 STL 24 SCREW, MOTOR 4 W770072-STA STL W770072-STA STL 23

* COMPONENT QUANTITY MAY BE CUMULATIVE OVER THE ENTIRE BILL OF MATERIALS + DENOTES RECOMMENDED SPARE PART. ** USE THESE MOTOR FRAME COMPONENTS WHEN USING POWER FRAME ASSEMBLY A123208

PAGE: 202 EFFECTIVE: 06/27/00 SUPERSEDES 03/06/00

316SS

(A) OR (K)

ALLOY C

SECTION: REGENERATIVE TURBINE

ISOCHEM RGT SERIES PUMP CONSOLIDATED BILL OF MATERIALS

POSITION 3 STANDARD PUMP METALLURGIES

DESCRIPTION QTY PART No. MATL PART No. MATL ITEM POSITION 7 NEODYMIUM MAGNETIC COUPLING COMPONENTS (CONT)

DRIVEN MAGNET ASSY (0-RING) 1 49738 316SS 49739 ALLOY C 18

COMMON

PARTS

80 METRIC FRAME COMPONENTS

90 METRIC FRAME COMPONENTS

CONTAINMENT CAN 1 49672 316SS 49605 ALLOY C 19 CASING 1 49610-1 ALU 49610-1 ALU 20 BOLT, CASING *4 16722 STL 16722 STL 35 + O-RING, CNTNMNT CAN *1 W209729-TFE TFE W209729-TFE TFE 28

DRIVE MAGNET ASSY, 80 FR 1 49733 STL 49733 STL 21 MOTOR SPOOL 1 49727 ALU 49727 ALU 29 BOLT, MOTOR 4 NP990415-STL STL NP990415-STL STL 25

DRIVE MAGNET ASSY, 90 FR 1 49734 STL 49734 STL 21 MOTOR SPOOL 1 49728 ALU 49728 ALU 29 BOLT, MOTOR 4 NP990478-STL STL NP990478-STL STL 25

PAGE: 203 EFFECTIVE: 08/03/00 SUPERSEDES NEW

316SS

(A) OR (K)

ALLOY C

* COMPONENT QUANTITY MAY BE CUMULATIVE OVER THE ENTIRE BILL OF MATERIALS + DENOTES RECOMMENDED SPARE PART.

Appendix F – Power Frame Assembly

Power Frame Maintenance

General Maintenance:

Fill power frame oil cup (item 9) to the “oil level” line, about ½” from the top edge of the cup. Use standard motor oil, SAE-10W-40, 10W-30, SW-30, or equivalent.

Drain and change oil after every 2,000 hours of operation. Increase frequency of oil changes if operating in an adverse environment, for example high moisture, very high or low temperatures, etc.

Disassembly:

1. Remove bearing cap bolts (item 6)

2. Slide bearing cap (item 5) out of housing and over the end of the shaft (item 2)

3. Remove shaft/bearing assembly by sliding out of housing

Reassembly:

1. Press new bearings (item 3 both ends) onto shaft if replacement is required

2. Inspect the surface of the shaft (item 2) for burrs and scratches, clean and smooth as required.

3. Press new lip seals (item 7) into housing and bearing cap. Apply grease to the inside diameter of the lip seals.

4. Install a new gasket (item 4) on the bearing cap.

5. Slide the shaft/bearing assembly into the power frame housing. The end stamped “F” must be towards the bearing cap.

6. Shim if required to obtain shaft end-play of 0.000 – 0.004 inches.

7. Replace the bearing cap bolts (item 6) and tighten.

8. Refill with oil as per instructions above.

Appendix G – Performance Curves

Bulletin #: IOM – RGT0700 - Rev. C

Engineered Pump Operations 2883 Brighton-Henrietta Townline Road Rochester, New York 14623 Telephone: (585) 292-8000 Fax: (585) 424-5619 http: //www.pulsa.com pulsa@idexcorp.com

Pulsafeeder Isochem RGT IOM User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual