Jordan Valve Mark HPX, Mark HPAX User Manual

I & M Mark HPX and HPAX Series
3170 Wasson Road • Cincinnati, OH 45209 Phone 513.533.5600 • Fax 513.871.0105 (f) info@richardsind.com • www.jordanvalve.com
Warning: Jordan Valve Control Valves must only be used, installed and repaired in accordance with these Installa­tion & Maintenance Instructions. Observe all applicable public and company codes and regulations. In the event of leakage or other malfunction, call a qualified service person; continued operation may cause system failure or a general hazard. Before servicing any valve, disconnect, shut off, or bypass all pressurized fluid. Before disassem­bling a valve, be sure to release all spring tension.
IntroductIon
Contained in this manual are installation instructions, maintenance and parts information for the 2 through 6-inch Mark HPX2D, HPX5T, HPAX2, HPAX5, ASME Class 900 and 1500 ratings. 2 inch ASME Class 2500 also included. Refer to the appropriate manuals for instructions for the accompanying actuator, positioner and additional accessories.
Only trained or experienced personnel should carry out the operation and installation of all pressure equipment. If you have any questions regarding the equipment, contact your Jordan Valve representative. A serial number identifies each Series H valve and is stamped on the valve body. Please reference this number when communicating with your Jordan Valve representative.
Installation & Maintenance Instructions for the
Mark HPX and Mark HPAX Globe and Angle Style
Control Valves
2. Ensure the pipeline is free of welding slag, chips and other debris by blowing out the line before installation.
3. Position the valve on the line so the flow direction indicator corresponds to the di­ rection of the flow of the pipeline.
4. Jordan Valve recommends the installation of a standard three-valve maintenance by pass. This will allow isolation of the control valve without shutting down the pipeline system.
5. Install approved gaskets between the valve body and the pipeline flanges.
6. If the actuator has been shipped sepa- rately, refer to the mounting procedure in the applicable instruction manual.
InstallatIon
Exceeding the recommended pressure and tem­perature limits from Table 1, or those indicated on the nameplates of your Jordan Valve Controls valve, can result in personal injury and property damage. Jordan Valve recommends the installation of a relief valve to protect against overpressure situations.
Mark HPX900 and 1500 Series, HPX2D and HPX5T are designed to meet specific conditions for fluid control, temperature, pressure and pressure drop. The limiting factor on these valves can be the body/trim material combinations. Do not install these valves in any other applications without first consulting with your Jordan Valve representative.
1. Inspect the valves for shipping damage and foreign debris while uncrating.
7. If the valve body arrives without packing installed in the packing box, it will be necessary to install the packing before putting the valve into service. To complete these procedures, follow the instructions under “packing maintenance” in this manual.
8. Note: It may be necessary to adjust the packing to prevent leakage. Prior to shipping the packing was tightened, and may require some adjustment for specific conditions.
Mark HPX and HPaX SerieS Globe and anGle Style Control ValVeS
Table 1: Approximate Shipping Weights: Valve and Bonnet Assembly
Valve Type Valve Size
(Inches)
2 900 & 1500 158 72
2 2500 229 104
3 900 276 125
Globe Valve
4 900 507 230
6 900 1127 511
Angle Valve 2 900 & 1500 153 69
Class Pounds
Flanged
1500 284 129
1500 548 249
1500 1228 557
Kilograms
Flanged
MaIntenance
Internal valve components are subject to normal deterioration and must be inspect and replaced as required. The necessity of inspections and replacement of parts will depend on the severity of service conditions. Inspections and maintenance must be carried out on a regularly scheduled basis.
To ensure the safety of personnel and to protect against property damage, the following steps should be carried out before beginning disassembly.
1. To prevent the valve from opening suddenly, disconnect any operating lines to the actuator. This would include air pressure, electrical power or control signal lines.
2. Isolate the valve by using the bypass valve or by shutting down the process completely Relieve the pressure and drain the process fluid from both sides of the valve.
3. Relive the pressure contained in the actuator by venting the actuator loading pressure and relieving any power actuator spring compre­ ssion.
4. Lock-out procedures should be strictly ad­ hered to while the equipment is being ser­ viced.
5. The Mark HPX Series use spiral-wound gas kets that are compressed to provide their seal. Spiral-wound gaskets are designed for single service, and if they are disturbed they must be replaced upon reas­ sembly. Used spiral-wound will not seal prop­ erly within the assembly.
Table 2: Torque for Body-To-Bonnet Bolting (using Nickel Never Seez Lubricant)
Torque
Valve
Rating
Class 900
and 1500
Class 2500 2 540 390 7i30 530
Valve Size,
Inches
2 290 180 390 240
3 540 390 730 530
4 720 540 970 730
6 1250 950 1700 1300
B7, B16, BD and
660 Studs
Lbf•ft N•m
B8 and B8M
Studs
-2-
B7, B16, BD and
660 Studs
B8 and B8M
Studs
Mark HPX and HPaX SerieS Globe and anGle Style Control ValVeS
Packing Lubrication
These instructions are for the lubricator or lubricator isolating valve (Figure 1). If the lubricator or lubrica­tor isolating valve have been installed, they will be in place of the pipe plug (Key 16, Figures 3 and 5) and are designed for packing that requires lubrication, including PTFE/composition. Jordan Valve recommends a silicon­based lubricant. Lubricant is not recommended for oxygen services or for processes that operate in excess of 500F. To add lubricant to the packing box, turn the capscrew in a clockwise direction.
For Lubricator/Isolating Valve
1. Open the isolating valve.
2. Turn the capscrew in a clockwise direction.
3. Close the isolating valve.
Packing Leakage
Spring-Loaded PTFE V-ring packing
To eliminate leakage, tighten the packing flange nuts (key 2, Figures 3 and 5). If leakage cannot be controlled in this manner, the packing will need to be replaced.
Other Packing
If packing other than Spring-Loaded PTFE V-ring has been used, attempt to eliminate the leaking and create a stem seal by tightening the packing flange nuts to the minimum recommended torque given in Table 4. If leak­age continues, the packing will need to be replaced.
Figure 1: Lubricator and
Lubricator/Isolating Valve
New Packing
If tightening the appropriate flange nuts does not solve the leakage problem and the packing is relatively new, leakage could indicate damage to the packing box wall or to the stem. Inspect the valve plug stem for a good surface finish as well as the packing box wall for nicks and scratches that could compromise the seal.
Hint:
If leakage originates from the outside diameter of the packing, check the packing box wall for nicks or scratches. If leakages originates from the inside diam­eter of packing, check the stem for nicks or scratches.
Table 3: Recommended Torque for Packing Flange Nuts (non live-loaded)
Stem Diameter Valve Body
Inches mm Lbf•ft N•m
1/2 12.7 900 9 13 12 18
1/2 12.7 1500 11 16 15 22
1/2 12.7 2500 13 18 18 24
3/4 19.1 900 20 30 27 41
3/4 19.1 2500 30 45 41 61
Rating
Min Max Min Max
-3-
Torque
Mark HPX and HPaX SerieS Globe and anGle Style Control ValVeS
Figure 2: Mark HPX and HPAX Series Packing Arrangements
Replacing Packing
Prior to beginning any maintenance, it is important to isolate the valve from the line pressure, and to release all pressure from the valve body. Disconnect all operat­ing lines to the actuator, including air pressure, electri­cal power or control signal lines. The process pressure should be released both upstream and downstream of the valve. Drain the process fluid from both sides of the valve.
Employ lock-out procedures to ensure the safety of per­sonnel and equipment during valve service.
Note: Extreme caution must be used during disas­sembly. Nicks and scratches will affect the ability to seal the valve in the future.
1. Remove the cap screws in the stem connector and separate the two halves.
2. Exhaust any actuator pressure and disconnect the actuator supply line and any leakoff piping.
3. Remove the actuator from the bonnet (key 6) by removing the yoke lock nut (key 15) and then remove the actuator from the bonnet.
-4-
Mark HPX and HPaX SerieS Globe and anGle Style Control ValVeS
4. Back off the packing flange nuts (key 2) until the packing is free of constriction against the valve plug stem (key 20). Remove any additional equipment from the valve plug stem threads, including the travel indicator disk and stem locknuts.
5. When removing the bonnet ensure the valve plug and stem assembly (keys 20 and 22) remain off the seat ring (key 23). This will prevent damage to the seating surfaces as a consequence of the assembly falling from the bonnet after being partially raised.
6. Apply caution to avoid damage to the gasket seating surface.
7. Caution must be used when handling the Mark HPXd and HPAX2 piston rings. These rings are brittle and in two pieces.
8. Remove the bonnet in the following steps. Do not remove a jammed bonnet with equipment that can store energy. Sudden release of the bonnet can result in unexpected and potentially dangerous movement. If the cage becomes jammed it is important to provide support for the cage. This will prevent the cage from falling unexpectedly.
9. Loosen the bonnet hex nuts (key 8) which attach the bonnet to the valve, by approximately 1/8 of an inch (3mm).
10. Pry between the bonnet (key 6) and valve body (key 21) to loosen the body to bonnet gasket joint. Continue prying around the bonnet until the bonnet loosens. If no fluid is released from the joint, unscrew the bonnet nuts (key 28) completely.
11. Carefully remove the bonnet and valve plug assembly (key 6, 20, 22) as a unit. Ensure that the valve plug and stem assembly (keys' 20 and 22) remains on the seat ring (key 23) and avoid nicking or scratching the gasket seal- ing surface.
12. To remove the bonnet from the valve stem remove the bonnet hex nuts (key 8). Carefully lift the bonnet off the valve stem. In the event that the valve plug and stem assembly become detached they can be tapped back down with a lead or brass hammer. Place the bonnet on a suitable surface such as wood or cardboard to protect it from damage.
13. Remove parts in this order:
13.1. Valve Plug Assembly (key 20, 22)
13.2. Bonnet Gasket (key 19)
13.3. Cage (key 12)
13.4. Seat Ring (key 23)
13.5. Seat Ring Gasket (key 24)
14. Clean all gasket surfaces with a wire brush, fol- lowing the direction of the serrations.
15. Cover the valve body openings to protect the gasket surfaces.
16. Unscrew the packing flange nuts (key 2)
17. Remove the following from the bonnet:
17.1. Packing flange (key 3)
17.2. Upper wiper (key 13)
17.3. Packing follower (key 14)
18. Push the remaining packing parts from the valve side of the bonnet. This can be done with a rounded rod or any other tool that will not cause damage or scratch the packing wall.
19. Clean the packing box and the following metal components: spring or lantern ring, packing box ring, packing follower and, if required, the v-ring packing washer. Finish all required maintenance.
20. Examine the valve stem threads for sharp edges that may damage the new packing. Emery cloth or a whetstone can be used to smooth out any sharp edges or burrs.
21. Remove the protective covering from the valve body. Using a new seat ring gasket (key 24) and bonnet gasket (key 19), install the seat ring (key
23) and cage (key 12).
22. Install the stem and plug assembly (key, 20, 22). Slip the bonnet (key 6) over the stem and line it up with the studs.
23. Replace the packing hex nuts (key 2)
23.1. For pre-lubricated hex nuts (identified by the black film coating on the nut threads) tighten the hex nuts finger tight.
23.2. For all other nuts, Jordan Valve recom- mends that you lubricate the stud threads with Never Seez Pure Nickel special lubricant or equivalent. Tighten the hex nuts finger tight.
24. To centre the trim, the valve will need to be stroked several times. Using proper bolt ing procedures tighten the nuts to no more than 1/4 of the torque values specified in Table 4.
-5-
Mark HPX and HPaX SerieS Globe and anGle Style Control ValVeS
25. Increase the torque on each nut by an additional 1/4 of the torque value using the standard crisscross pattern. Repeat this pattern until the torque values in Table 4 have been reached. Apply the final torque value again and if any bolts turn, all of the bolts will require retightening.
26. Using the appropriate arrangement from Table 2, install new packing and metal packing box parts. It may be necessary to pre-lubricate packing parts with silicone-based grease.
27. Using a smooth-edged pipe, cautiously tamp each soft packing part into the packing box. To prevent trapping air between the rings, add one ring at a time without forcing them below entrance chamber of the packing box. With each additional ring the stack should only be pushed down the thickness of one ring.
28. Install:
28.1. Packing Follower (key 14)
28.2. Wiper (key 13)
28.3. Packing Flange (key 3)
29. Lubricate both the packing flange studs (key 1) and the faces of the packing flange nuts (key 2). Finger tighten the packing flange nuts.
30. For packing type:
30.1. Spring-loaded PTFE V-Ring (Figure 2): tighten the packing flange nuts until there are no leaks.
30.2. Graphite: initially tighten the packing flange nuts to the maximum torque value in Table 3. Release the packing flange nuts and retighten them to the maximum torque value given in Table 3.
30.3. Other packing types: tighten the pack ing flange nuts in small increments alter- nately. Repeat the process until one of the nuts reaches the maximum torque value from Table 5. Now continue tightening the flange nuts until the packing flange is level and at right angles (90 degrees) to the valve stem.
Table 4: Valve Stem Connection Torque and Drill Size for Groove Pin Hole
Valve Size,
Inches
2 1/2 12.7 HPX2D, HPAX2,
3
4 3/4 19.1 HPX2D,
6
Trim Removal
1. Remove the actuator and the bonnet. Refer to steps 1-4 in replacing packing.
2. Remove the valve plug and stem assembly (key 20, 22). If the assembly is to be reused protect the valve stem and plug seating surface from nicks and scratches by taping them.
Valve Stem Diameter
Valve Design
Inches mm Lbf•ft N•m
3/4 19.1 175-250 237-339 1/8
1/2 12.7 HPX2D,
3/4 19.1 175-250 237-339 3/16
1 25.4 310-355 420-481 1/4
1 25.4 310-355 420-481 1/4
3/4 19.1
1 25.4 310-355 420-481 1/4
1-1/4 31.8 610-670 827-908 1/4
HPX5T, HPAX5
HPX5T
HPX5T
HPX2D,
HPX5T
3. Remove:
3.1. Cage (key 12)
3.2. Bonnet Gasket (key 19)
3.3. Seat Ring (key 23)
3.4. Seat Ring Gasket (key 24)
4. Follow the steps in the valve plug maintenance procedure to complete the remaining steps for rim removal.
Valve Stem
Connection
60-85 81-115 1/8
60-85 81-115 1/8
175-250 237-339 3/16
175-250 237-339 3/16
Drill Size for Groove
Pin Inches
-6-
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