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TYPE 31

Cameron TYPE 31 Installation, Operation And Maintenance Manual

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Page 1
ENGINEERED VALVES
Installation, Operation and Maintenance Manual
®
CAMERON
TYPE 31
FULLY WELDED BODY BALL VALVE
®
CAMERON
Page 2
ENGINEERED VALVES
TABLE OF CONTENTS CAMERON TYPE 31
FULLY WELDED BODY BALL VALVE
Bill of Materials ................................................ 1
Scope .............................................................. 2
Nameplate Information .................................... 2
Storage ............................................................ 2
Installation ....................................................... 3
Maintenance .................................................... 6
Trouble Shooting ............................................. 8
Injection Procedures ...................................... 10
Valve Cleaning ............................................... 11
Sealant Injection .............................................12
Stem Designs .................................................15
© Cameron’s Valves & Measurement Group IOM-CAM-BALL-T31
Rev. 0 06/09
Page 3
Bill of Materials
ENGINEERED VALVES
1
2
3
4 5
8
9
6
10
7 5
11
Figure 1 - Cameron Fully Welded Body Ball Valve Components.
ITEM DESCRIPTION
1 Keyed Shaft 2 Upper Stem Seal* 3 Upper Body 4 Lower Stem Seal 5 Stem Bearing 6 Dog 7 Ball 8 Seat Ring 9 Lip Seal
10 End Connection
11 Lower Body
*Details of stem are on pages 15 and 16.
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Scope
ENGINEERED VALVES
One of the most trusted valves in the petroleum industry, the CAMERON T31 Fully Welded Body Ball Valve combines the strength of forged components with a lightweight and compact spherical design. CAMERON T31 Fully Welded Body Ball Valves satisfy ASME 150 through 2500 (PN 20 through PN 420) and API 2000 through 10000 standards. Made of forged steel to assure uniform fine grain structure and toughness, they may be specified in sizes from 2" to 56" (DN 50 to DN 1400).
Engineered for heavy-duty maintenance, the CAMERON T31 Fully Welded Body Ball Valve is commonly selected for a number of applications. The distinctive design of the CAMERON T31 Fully Welded Body Ball Valve gives it maximum strength and minimum weight as well as maximum resistance both to pipeline pressure and stresses. The compact, spherical design also eliminates body flanges, thus reducing overall size and leak paths.
Nameplate Information
ITEM STAMP
1 Nominal Valve Size x Actual Bore Size. 2 Maximum Temperature 3 Minimum Temperature 4 Body Material Symbol 5 Seat Insert Material Symbol 6 Assembly Part Number 7 Valve Length 8 API Class Designation
9 Maximum Working Pressure 10 Maximum Operating Pressure 11 Seat Material Symbol 12 Ball Material Symbol 13 Valve Assembly Serial Number 14 Month and Year of Manufacture
Figure 2 - Typical Valve Nameplate.
service and minimal
Storage
The valves are conditioned for a storage period of approximately six months. The following care should be taken when storing valves.
1. Make sure the valve end connection covers remain in place during storage.
2. If the valve does not have an operator already installed and the valve will be stored outside, the open stem extension or the stem adapter should be covered to avoid water buildup.
3. If long-term storage is required, the valve should be conditioned using a corrosion inhibitor and end connection covers. Follow the guidelines found in CAMERON Engineering Bulletin 476B for long term storage. Obtain a copy from your Cameron Valves & Measurement representative.
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Installation
Handling of Valves
1. The valve should be lifted in such a way that the body supports the load.
CAUTION: The journal and the end connection necks are suitable places to attach lifting slings. Never use handwheels or other protruding parts of the gearbox or actuator not designated for this purpose.
2. If the valve is equipped with lifting lugs, these should be used for handling.
3. The end protector covers should be kept in place on the end connections during all handling. Remove only during final installation of the valve.
ENGINEERED VALVES
Figure 3 - Correct valve lifting using End Connection Necks.
CAUTION: During handling, protect the end connection faces and fittings against damage from the lifting devices. Failure to cover faces and fittings could cause damage to the valve.
Position of Valve
The ball valve may be installed in any position. Either end of the valve may be installed as the upstream end.
Protection of Ball
CAUTION: The ball should be fully open during the installation of the valve. Failure to keep the ball fully open during installation could cause damage to the valve.
If the ball must remain in the closed position during installation of the valve, coat the exposed surfaces of the ball with grease. This will protect the plug from damage due to weld splatter.
CAUTION: Do not leave the valve in the partially open position for an extended period of time.
CAUTION: A weld end valve without pup pipes should never be installed in the closed position.
Welding Instructions
When preheating, welding or stress relieving, body temperatures must not exceed 400°F (200°C) at any point beyond 3" (75 mm) from the weld. Use tempil sticks to check temperatures. Before CAMERON T31 Fully Welded Body Ball Valves are welded into final position in the pipeline, cover the valve seal areas (ball-to-seat area and seat-to-end connection area) with 1" wide masking tape from the 3 o'clock to the 9 o'clock position. This will help prevent any foreign material from becoming lodged in these areas. The piping system should also be pigged before operation or pressure testing to remove any foreign material from the pipeline.
EQUALIZING YOKE
Figure 4 - Correct lifting using the valve Lifting Lugs.
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Hydrostatic Testing
ENGINEERED VALVES
When CAMERON T31 Fully Welded Body Ball Valves are installed in a piping system that requires hydrostatic testing of the adjoining pipe, follow these procedures to minimize any damage that could occur to the sealing surfaces and seat seals inside the valve.
1. Valve should be in the fully open position when the injection of test fluid begins. This will allow any pipeline debris to be flushed through the valve bore and out of the piping.
2. Once the piping system has been purged of debris and the system has been filled completely with the test fluid, the ball valve should be placed in the partially open position (approximately 10° from the fully open position). This allows test fluid into the body cavity of the valve.
3. The valve is now ready to be pressure tested.
4. Upon completion of hydrostatic testing, the valve should be returned to the fully open position before removing the test fluid from the piping system. The test fluid in the body cavity can be drained through the body drain port located on the lower portion of the valve body.
5. Once the valve and piping system have been pigged and customer product is injected into the piping system, the valve should be moved to the partially open position (approximately 10° from the fully open position). Any remaining test fluid trapped in the valve body cavity can then be vented through the body bleed plug, located on the lower portion of the valve body. If the valve has been fitted with a stem extension, the vent fitting will be located below the mounting flange on top of the extension.
6. Opening the body bleed fitting will force trapped test fluid out of the body cavity. Keep the bleed plug open until all fluids have been exhausted through the body bleed plug.
7. Close the valve body bleed fitting and return the valve to the fully open position or the required operating position.
8. The valve seat pockets should be filled with an approved valve flush product to displace any test fluid. Refer to Routine Seat Cleaning which appears on page 7.
2. Depending on the valve stem and the actuator/ gear mounting kit, it is possible that the actuator may be installed in multiple positions. If this is the case, determine where the customer desires the handwheel or actuator control panel and install it accordingly. (A thin layer of antiseeze on the valve stem is recommended.)
3. Once the operator is mounted, secure it with the appropriate bolts. If the bolt holes do not line up, slightly operate to the open or closed to match the mounting flange. If you are unable to operate the operator, performing steps 2 and 3 of Setting Stops may need to be conducted.
4. It is now necessary to set the operator stops as outlined in the following section.
Setting Stops
Gear Operator with Stops
1. Make sure that operating the valve to the fully open and fully closed position will not disrupt current operation of line.
2. Loosen the open and closed stop screw locknuts.
3. Turn stop screws counter-clockwise to increase gear travel.
4. Operate the valve to the fully open position.
5. Utilize the stem stop viewports to verify valve position. (Refer to Open and Closed Viewports on page 6.)
6. Turn the open stop screw clockwise until it stops, then tighten the locknut. If the stop screws will not turn, repeat steps 3 and 4.
7. To set the closed stop, conduct steps 3 - 6, operating the valve to the closed position and utilize the closed stop.
STOP SCREW (CLOSED)
LOCKNUT
SHUT
STOP SCREW (OPEN)
LOCKNUT
Mounting the Gear/Actuator
To mount a gear or power operator on a valve, use the following guidelines. Note: The guidelines
OPEN
INDICATOR CAP (SHOWN OPEN)
given are for typical gear and actuator designs.
Specific instructions for each design should be obtained from the gear / actuator manufacturer.
APPROXIMATE LOCATION OF BLANKING PLUGS (IF PRESENT)
1. Make sure the valve is in the fully open or closed position and position the actuator to match.
Figure 5 - Typical Gear Box with Stops.
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Rotary Vane Style Operator (4 Bar Type)
1. Make sure that operating the valve to the fully open and fully closed position will not disrupt current operation of line.
2. Loosen the open and closed stop screw locknuts.
3. Turn stop screws clockwise to increase travel.
4. If equipped with a manual override, use it to operate the valve to the fully open position.
5. Check the stem stop viewports to verify valve position. (Refer to Open and Closed Viewports on page 6.)
6. Turn the open stop screw counter-clockwise until it stops and tighten the locknut.
CAUTION: Once the stop makes contact with the vane, do not continue to turn the screw. Continuing to turn the screw could move the valve off the stops.
ENGINEERED VALVES
OPEN
CLOSE
7. If the stop screws will not turn repeat steps 3 and 4.
8. To set the closed stop, repeat steps 3 - 6, operate the valve to the closed position and use the closed stops.
Scotch Yoke Style Operator
1. Make sure that operating the valve to the fully open and fully closed position will not disrupt current operation of line.
2. Loosen the open and closed stop screw locknuts.
3. Turn stop screws counter-clockwise to increase piston travel.
4. If equipped with a manual override, use it to operate the valve to the fully open position.
5. Check the stem stop viewports to verify valve position. (Refer to Open and Closed Viewports on page 6.)
6. Turn the open stop screw clockwise until it stops and tighten the locknut.
CAUTION: Once the stop makes contact with the vane, do not continue to turn the screw. Continuing to turn the screw could move the valve off the stops.
C/L OF PIPELINE
Figure 6 - Rotary Vane-Style Operator.
CLOSED STOP
OPEN STOP
7. If the stop screws will not turn repeat steps 3 and 4.
8. To set the closed stop, repeat steps 3 - 6, operate the valve to the closed position and use the closed stops.
Figure 7 - Scotch Yoke-Style Operator.
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ENGINEERED VALVES
Open and Closed Viewports
Once the pipe plug and relief plug are removed from the valve mounting flange, the position of the keyshaft stop relative to the valve stops can be observed on valves with nominal stem sizes of 3" and larger.
The valve is fully opened when the keyshaft stop butts against the valve stop as viewed through the "open viewport" and is fully closed when the keyshaft stop butts against the valve stop as viewed through the "closed viewport".
Figure 8 shows the viewport locations for valves with a 3" stem size and figure 9 shows the viewport locations for valves with 4" and larger stem sizes.
VALVE STOP
CLOSED VIEWPORT
STEM SEALANT PORT (REF.)
with 3" Stem Size: Valve shown in Open Position.
KEYSHAFT
STOP
VALVE OPEN
OPEN VIEWPORT
Operating Times
Quick Operating Time
Opening or closing a valve quickly induces loads in addition to the normal torsion load. It is therefore necessary to limit valve operating times in order to prevent over stressing of the valve.
Valves can be safely operated with an operating time given by the formula:
*Quick operating time = Valve nominal bore
2
If a faster operating time is required, please call your Cameron Valves & Measurement Representative.
Longest Operating Time
When the valve is being operated, the seat face is exposed. Therefore, to minimize the amount of time in which the seat face is exposed, Cameron Valves & Measurement group recommends a maximum operating time as follows:
*Longest Operating Time = 5 x Valve nominal bore
(i.e., one minute
per foot of nominal
bore)
*The time is in seconds and the bore size is in inches.
VALVE STOP
CLOSED VIEWPORT
STEM SEALANT PORT (REF.)
Figure 9 - Open
and Larger Stem Sizes: Valve shown in open Position.
KEYSHAFT
STOP
VALVE OPEN
OPEN VIEWPORT
and Closed Viewport Location for Valves with 4" Figure 8 - Open and Closed Viewport Location for Valves
Maintenance
The CAMERON T31 Fully Welded Body Ball Valve requires a minimum of maintenance. In order to optimize the life of the valve, the maintenance procedures on pages 6 and 7 should be followed.
Operation
Operating the valve is an important part of routine maintenance. Operation of the valve will help to break-up any buildup on the seat face and/or ball and, if so equipped, will rotate the seat rings 15°, distributing the wear on the insert.
CAUTION: Failure to follow these operating times could cause damage to the valve.
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Double-Block-and-Bleed
Whether in the open or closed position, pressure on each side of the ball is blocked from the body cavity by the seat ring. The body cavity can then be blown down or drained through the body port. Take the following steps when block-and-bleeding a valve:
ENGINEERED VALVES
WARNING: Make sure proper safety garments are worn, and follow all customer safety procedures. Failure to do so could injure you or others.
1. The CAMERON bleed fittings have one or two exhaust ports. You should be aware of their orientation. Any debris in the valve or fitting will be exhausted at a high velocity.
2. If necessary, tighten the fitting to reorient the exhaust ports.
3. With the valve fully open or fully closed, open the bleed fitting all the way. When opening the bleed fitting, a backup wrench may be used to prevent accidental removal of bleed fitting.
The process of block-and-bleeding the valve is intended to test the valve integrity. If the valve does not blow down, this indicates that the seats are leaking. Consult the Troubleshooting section.
WARNING: Never try to block-and-bleed the valve in the partially open position. Failure to do so could injure you or others.
Figure 10 - Valve Closed. Figure 11 - Valve Open.
Figure 12 - Typical Bleed Fitting.
Figure 13 - Cameron T31 Seat Section.
Seat Cleaning
The seat pocket area is the primary area where any valve can be affected by contaminants in the lines. To insure the seat's free movement, it is recommended that the valve seat pockets be cleaned routinely with an approved product. (The frequency of routine cleaning depends on the severity of service, but once a year is a good guideline. Contact your Cameron Valves & Measurement group representative for assistance). Cleaning procedures can be found on page 10.
Gear Maintenance
The following gear maintenance should be performed along with the valve maintenance:
1. Inspect housing for damage and wear.
2. Inspect weather seal and replace, if damaged. This will prevent water from entering the gearbox and causing corrosion.
3. Lubricate gear, using an approved lubricant.
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Troubleshooting
Trouble Probable Cause Remedy
Operate the valve to the fully closed position. The valve is not closed completely.
The seats are leaking.
Operator stops are incorrectly adjusted.
Block-and-Bleed the valve to insure that the
leakage has stopped. Refer to Block-and-
Bleed procedure on page 7.
Properly adjust the operator stops. Refer to
Setting Stops on page 4.
Block-and-Bleed the valve to insure that the
leakage has stopped. Refer to the Block-and-
Bleed procedure on page 7.
ENGINEERED VALVES
The stem is leaking.
The seat rings are malfunctioning.
Stem screw or nut is loose.
The stem seal is damaged.
Clean and flush the seat rings. Refer to the
Injection Procedure section on pages 10 - 12.
Tighten the stem screw or nut tightly enough
to stop the leak. Do not exceed torque value
for stem screw. Contact your Cameron
Valves & Measurement group representative
to obtain torque values.
Operate the valve to make sure the stem is
causing the leak.
Replace stem seal. Contact your Cameron
Valves & Measurement group representative
for assistance.
Inject a small amount of sealant into the stem
injection fitting.
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Troubleshooting (continued)
Trouble Probable Cause Remedy
ENGINEERED VALVES
The valve is difficult to operate.
Sealant fitting is leaking.
Fitting leaks between coupler and button head.
The operator is malfunctioning. (Worm gear operators only)
There is a build up in the seat area due to line contaminates.
Stem capscrew or nut is too tight.
Trash in fitting.
Fitting seal is damaged.
Paint or trash is on the surface of the button head fitting.
Coupler seal is damaged.
Perform gear maintenance outlined on page 7.
Clean the seat area as outlined on page 7.
Loosen the stem screw or nut. Operate the valve. Tighten the stem screw or nut to the appropriate
torque value. Contact your Cameron Valves & Measurement group representative to obtain torque values.
Inject a small amount of cleaner into fitting to dislodge trash.
Install an auxiliary fitting. Replace fitting when line is depressurized.
Clean surface of button head fitting.
Replace seal as per manufacturer's instructions.
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Page 12
Injection Procedures Routine Cleaning
Steps Procedure
Inspect:
1. Inspect valve.
ENGINEERED VALVES
Seat injection fittings. Stem injection fitting. (Do not inject into this fitting.) Body / bleed fitting
2. Inspect equipment.
3. Inject standard valve flush.
4. Operate valve.
5. Inspect valve.
Make sure the grease gun / pump is in working order and loaded with the appropriate product.
Inject full seat capacity into each seat, utilizing the seat injection ports. (Refer to capacity chart on page 13.) If this is the first time maintenance has been performed, and the valve has been in service over two years, perform Valve Cleaning procedures on page 11.
Make sure it is safe to operate the valve. Fully operate valve three times.
Make sure the valve is in the correct position. Clean the grease fittings. Replace fitting caps.
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Valve Cleaning
Steps Procedure
1. Inspect valve.
ENGINEERED VALVES
Inspect:
Seat injection fittings. Stem injection fitting. (Do not inject into this fitting.) Body / bleed fitting
2. Inspect equipment.
3. Inject flush.
4. Operate valve.
5. Inject cleaner / flush.
6. Allow valve to soak.
7. Inject flush.
Make sure the grease gun / pump is in working order and loaded with the appropriate product.
Inject full seat capacity into each seat, utilizing the seat injection ports. (Refer to capacity chart on page 13.)
Make sure it is safe to operate the valve. Fully operate valve three times.
Inject full seat capacity into each seat, utilizing seat injection ports. (Refer to capacity chart on page 13.)
Wait one to six hours to allow cleaner to penetrate the buildup and contaminates.
Inject full seat capacity into each seat, utilizing seat injection ports. (Refer to capacity chart on page 13.)
8. Operate valve.
9. Test valve.
Fully operate the valve three times.
Block-and-bleed valve. (Refer to Block-and-Bleed procedure on page 7.) If the valve will not bleed down, follow the sealant injection procedure on page 12.
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Sealant Injection
Steps Procedure
1. Prior steps.
ENGINEERED VALVES
Be sure to follow steps found within Troubleshooting section under Seats are Leaking on page 8 prior to proceeding.
All nine steps found in Valve Cleaning on page 11 should be conducted prior to proceeding.
2. Verify valve position.
3. Inject standard sealant.
4. Test valve.
5. Operate valve.
6. Inject standard sealant.
7. Test valve.
8. Operate valve.
9. Inject standard sealant.
Confirm valve is in the fully closed position. Use the Open and Closed View Ports (page 6) when available.
Inject full seat capacity into each seat, utilizing the seat injection ports. Block-and-Bleed valve. (Refer to Block-and-Bleed procedure on page 7.)
If the valve will not bleed down, continue to the next step. Operate valve to the fully open position.
Use the Open and Closed View Ports on page 6 to verify valve position. Inject 1/2 seat capacity into each seat, utilizing seat injection ports.
Block-and-Bleed valve. (Refer to Block-and-Bleed procedure on page 7.) If the valve will not bleed down, continue to the next step. If the valve leaks in the closed but not in the open position:
- The valve is not going fully closed. (use the Open and Closed View Ports on page 6 to verify valve position)
- Possible ball damage. Contact your Cameron Valves & Measurement group representative.
Cycle valve open/close 6 times and return to fully closed position. Use the Open and Closed View Ports on page 6 to verify valve position.
Inject 1/2 seat capacity into each seat, utilizing seat injection ports.
10. Test valve
11. Inject severe leak sealant.
12. Test valve
13. Operate valve
14. Inject severe leak sealant.
15. Test valve
16. Contact your Cameron Valves & Measurement group Representative.
Block-and-Bleed valve. (Refer to Block-and-Bleed procedure on page 7.) If the valve will not bleed down, continue to the next step.
Inject full seat capacity into each seat, utilizing seat injection ports. Block-and-Bleed valve. (Refer to Block-and-Bleed procedure on page 7.)
If the valve will not bleed down, continue to the next step. Cycle valve open/close 3 times and return to fully closed position.
Inject 1/2 seat capacity into each seat, utilizing seat injection ports.
Block-and-Bleed valve. (Refer to Block-and-Bleed procedure on page 7.) If the valve will not bleed down, continue to the next step.
When Contacting your Cameron Valves & Measurement group representative for assistance, please have the following information available:
- Valve Size -Assembly Number - ASME Class -Manufacture Date
- Serial Number (Refer to nameplate on page 2) The Cameron Valves & Measurement group representative may be able to
provide additional information or schedule an on-site consultation.
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Page 15
Injection Capacity Chart
ENGINEERED VALVES
Valve Volume Volume Volume Volume
Size per Seat (oz) per Valve (oz) per Seat (cm )
2" 1 2 25 50 3" 1 2 35 65 4" 2 3 50 100 6" 2 4 65 130
8" 3 6 80 160 10" 3 6 90 180 12" 5 10 135 270 14" 5 10 155 310 16" 6 12 170 335 18" 9 18 265 525 20" 10 20 295 585 22" 11 22 330 655 24" 12 24 350 695 26" 13 26 395 785 28" 13 26 400 800 30" 15 30 445 890 34" 17 34 495 990 36" 21 42 620 1240 40" 32 64 960 1920 42" 34 68 995 1990
3
per Valve (cm )
3
Extended Sealant Lines Capacity Chart
Nominal Outside Diameter Volume of Sealant Per Length of Pipe
Line Size of Pipe
1/4" (6 mm) .540" (13.7 mm) .5 46 1/2" (12 mm) .840" (21.3 mm) 1.6 150
oz/ft cm
13
3
/m
Page 16
ENGINEERED VALVES
Approved Flush / Sealant
The following products are recommended by the cleaner / sealant manufacturers for the indicated service and condition. Contact your Cameron Valves & Measurement group representative for availability through Cameron Valves & Measurement.
Product
Standard Valve Lubricant 2000 Light Lube Equa-Lube 80 Lubchem "50-400"
Natural Gas Standard Sealant 80 bulk / 80-H stick Total Lube 911 * Everlast No. 1
Standard Valve Lubricant 2000 Light Lube Equa-Lube 80 Lubchem "50-400"
Sour Gas Standard Sealant 700 bulk / stick Total Lube 911 * Lubchem "50-400"
Standard Valve Lubricant 2000 Light Lube Sealweld Silicone Lubricant Everlast WR
Dry CO Standard Sealant 700 bulk / stick Sealweld Silicone Lubricant Everlast WR
Crude Oil Standard Sealant 700 bulk / stick Total Lube 911 * Lubchem "50-400"
2
Standard Valve Lubricant 2000 Light Lube Equa Lube 80 Lubchem "50-400"
Service
Condtions
Flush Valve Flush Valve Cleaner Plus Valve Saver
Standard Low Temp 750 bulk / stick Winterlub 7030 * Everlast No. 1 AG
Severe Leak Sealant 80+FTFE bulk / stick * Sealweld #5050 * Formasil RS
Flush Valve Flush Valve Cleaner Plus Valve Saver
Standard Low Temp 750 bulk / stick Winterlub 7030 * Lubchem "50-300"
Severe Leak Sealant 700 FTFE bulk / stick * Sealweld #5050 * Formasil RS
Flush Valve Flush Valve Cleaner Plus Valve Saver
Standard Low Temp 750 bulk / stick Sealweld Silicone Lubricant Everlast WR
Severe Leak Sealant 700 FTFE bulk / stick * Sealweld Silicone Sealant Formasil CO
Flush Valve Flush Valve Cleaner Plus Valve Saver
Standard Low Temp 750 bulk / stick Winterlub 7030 * Lubchem "50-300"
Severe Leak Sealant 700 FTFE bulk / stick * Sealweld #5050 * Formasil WR
Val-Tex Sealweld Lubchem
Cleaner / Sealant Manufacturer
2
* Note: Contains PTFE.
Valve Cleaner / Sealant Manufacturers
Val-Tex Sealweld Lubchem Inc.
Valves Incorporated of Texas 6450 Skyview Drive P.O. Box 2626 10600 Fallstone Rd. Houston, TX 77041 Spring, TX 77383 Houston, TX 77099 713/466-7373 281/350-9600 281/530-4848 800/624-4301 800/929-0244 800/627-9771
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Page 17
Stem Designs 1", 1.5" and 2" Stem Design
ITEM DESCRIPTION
1 Capscrew 2 Disc Spring 3 Stop Nut 4 Stem Seal Washer 5 Stem Seal
ENGINEERED VALVES
3" Stem Design
ITEM DESCRIPTION
1 Nut 2 Disc Spring 3 Keyed Shaft 4 Stud 5 Stem Seal Washer 6 Stem Seal
Figure 14 - 1", 1 1/2" and 2" Stem Design.
Figure 15 - 3" Stem Design.
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Page 18
Stem Designs 4" and Larger Stem Design
ITEM DESCRIPTION
1 Nut 2 Disc Spring 3 Keyed Shaft 4 Stud 5 Stem Seal Gland 6 Stem seal
ENGINEERED VALVES
NOTES
Figure 16 - 4"and Larger Stem Design.
16
Page 19
NOTES
ENGINEERED VALVES
Page 20
ENGINEERED VALVES
Contact your Cameron’s Valves & Measurement group representative for a Repair Manual
3250 Briarpark Drive, Suite 300 Houston, Texas 77042 USA Toll Free 800 323 9160
For the most current contact and location information go to: www.c-a-m.com/valvesandmeasurement
© Cameron’s Valves & Measurement Group IOM-CAM-BALL-T31
Installation, Operation and Maintenance Manual
CAMERON
Rev. 0 06/09
IOM-CAM-BALL-T31
®
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