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Masoneilan 21009 Series Cage Guided Globe Valve Instruction Manual | 6

8. Valve Body Reassembly

After completion of the required maintenance, the valve should

be reassembled using the following procedures:

Note: If any of the following steps were completed during

maintenance, then proceed to the next step.

8.1 Quick-Change Trim
A.

CIean all gasket mating surfaces.

Install seat ring gasket (14) and seat ring (13).

Note: Spiral wound gaskets (11 & 13) are standard in the

21009 Series design. It is imperative that a new gasket be

installed each time the valve is disassembled.

Install cage (12).

Carefully install plug and stem assembly.

Note: Valve should be lapped before final assembly. See

Section 7.3.

Install body gasket (11).

Assemble bonnet (8) and body stud nuts (10) and tighten.

Bonnet must be positioned so the packing flange studs are at

90° to the flow center line.

Care must be taken to ensure that the cage, seat ,

and bonnet are properly aligned in the body. Cage

should be installed with parts at lower end, near seat

ring. Tighten nuts (10) until metal to metal contact

is obtained with proper bolt torque. Refer to Figure

8 for proper bolt torque and tightening sequence

specifications.

lnsert packing (6) [and lantern ring (7) on valve equipped with

an optional lubricator or lead detection connection. Refer

to Section 7.6 for proper packing assembly procedure for

standard or optional designs.

Install packing follower (5) and packing flange (4).

Install packing flange stud nuts (3).

Do not overtighten (See Section “7.6. Packing Box”)

If a leak detection connection was installed, connect it on the

lateral NPT port in the bonnet . If not , ensure that the 1/4”

NPT plug remained in place (Figure 4).

For actuator assembly and plug stem adjustment, proceed

to the actuator instruction Ref. GEA19530 for a type 87/88

multi-spring actuator.

9. Actuator

9.1 Types 87/88 actuators

Refer to Instruction Ref. GEA19530 for removal, maintenance,

assembly and adjustment.

Содержание Masoneilan 21009 Series

Страница 1: ...Masoneilan 21009 Series Cage Guided Globe Valve Instruction Manual Rev A Baker Hughes Data Classification Public ...

Страница 2: ...TICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERATION OR MAINTENANCE SHOULD FUR THER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICIENTLY FOR THE CUSTOMER OPERATOR S P...

Страница 3: ... 2 4 Installation 2 5 Air Piping 2 6 Body Disassembly Refer to Figure 9 3 6 1 Quick Change Trim 3 7 Maintenance and Repair 3 7 1 Lapping Seat 3 7 1 1 Quick Change Trim 3 7 2 Plug Stem Pinning 3 7 3 Packing Box 3 7 3 1 Braided PTFE with Carbon or aramid Core Standard 3 7 3 2 Flexible graphite rings optional See Figure 5 3 8 Valve Body Reassembly 6 8 1 Quick Change Trim 3 9 Actuator 6 ...

Страница 4: ...copied without Baker Hughes s written permission Please report any errors or questions about the information in this manual to your local supplier These instructions are written specifically for the 21009 Series Control Valves and do not apply for other valves outside of this product line Useful Life Period Thecurrentestimatedusefullifeperiodforthe21009SeriesControl Valve is 25 years To maximize t...

Страница 5: ...ith built in versatility making them well suited to handle a wide variety of process applications Standard construction offers a contoured plug 21109 Series with a quick change seat ring The heavy Cage plug guiding provides maximum support to ensure plug stability A series of reduced area trim is available to provide wide flow range capabilities in all valve sizes Tight Shutoff Class IV leakage is...

Страница 6: ...nce and repair procedures These procedures assume the availability of standard shop tools and equipment 7 1 Lapping Seat Lapping is the process of working the valve plug against the seat ring with an abrasive to produce a close fit If valve leakage is excessive lapping becomes necessary The plug and seat ring seating surfaces should be free of large scratches or other defects and the contact surfa...

Страница 7: ...se jaw assembly in a vise Lock two nuts against each other on the end of the new plug stem and screw the stem solidly into the plug using a wrench on the upper nut When properly assembled the reference mark see Section A above should be flush with the end of the plug guide C Drilling the new Parts If the plug is already fully drilled typical for 440 C hardened stainless steel material or solid Ste...

Страница 8: ...ring 7 must also be removed to gain access to lower packing rings D Replace packing rings 6 Note Assemble and compress rings one at a time into packing box The skive cut of each packing ring must be placed about 120 degrees apart Note On valves equipped with an optional lubricator connection refer to Figure 7 for correct amount of rings to place under the lantern ring 7 E Replace packing follower ...

Страница 9: ...the flow center line Care must be taken to ensure that the cage seat and bonnet are properly aligned in the body Cage should be installed with parts at lower end near seat ring Tighten nuts 10 until metal to metal contact is obtained with proper bolt torque Refer to Figure 8 for proper bolt torque and tightening sequence specifications G lnsert packing 6 and lantern ring 7 on valve equipped with a...

Страница 10: ...r Hughes Copyright 2021 Baker Hughes Company All rights reserved Figure 2 Typical Install Figure 4 Lubricator Connection Option Figure 2 Seat Lapping Device Figure 5 Flexible graphite rings arrangement Option ...

Страница 11: ...ion Plug Guide Dia A Pin Stem Dia B Pin hole Dia C D X in mm in mm in mm in mm in mm 1 50 38 10 1 2 12 70 0 138 3 50 1 25 32 0 50 12 7 2 00 50 80 1 2 12 70 0 138 3 50 1 25 32 0 50 12 7 2 38 60 32 3 4 19 05 0 197 5 0 1 88 47 5 0 75 19 0 3 00 76 20 1 25 40 0 197 5 00 2 50 63 5 1 00 25 5 Valve Size Quantity of Packing Rings 6 in mm Expanded GraphiteW backup Rings150 Total Total 3 to 4 80 to 100 6 7 6...

Страница 12: ... 0 444 0 22 3 6 150 900 8 1 1 4 8UN 2A 31 9 162 7 13 6 1500 8 1 3 4 8UN 2A 241 0 315 0 17 1 8 200 900 8 1 1 2 8UN 2A 54 2 284 8 15 6 1500 12 1 3 4 8UN 2A 241 0 315 0 17 1 Notes 1 Do not exceed Maximum Torque values listed 2 Tighten in increments until required torque levels are reached 3 Reject assembly if metal to metal contact is not achieved after reaching Maximum Torque 4 Torque requirements s...

Страница 13: ...ame Ref Part Name 1 2 3 4 5 6 7 8 Plug Stem Packing Flange Stud Packing Flange Stud Nut Packing Flange Packing Follower Packing Lantern Ring optional Bonnet 9 10 11 12 13 14 15 16 Body Stud Body Stud Nut Body Gasket Cage Seat Ring Seat Ring Gasket Plug Plug Pin 17 18 Body Drive Nut Recommended spare parts Figure 9 21009 Series Cage Guided Globe Valve ...

Страница 14: ...pany Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 21009 IOM 31434A 0521 05 2021 bakerhughes com Tech Field Support Warranty Phone 1 866 827 5378 valvesupport bakerhughes com Direct Sales Office Locations Australia Brisbane Phone 61 7 3001 4319 Perth Phone 61 8 6595 7018 Melbourne Phone 61 3 8807 6002 Brazil ...

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