Parker Autoclave Engineers 10V Series Manuale utente

OperatiOn and Maintenance Manual

Diaphragm

Design

air OperateD

ValVe

Parker Autoclave Engineers

Instrumentation Products Div.

8325 Hessinger Dr.

Erie, PA 16509-4679

Tel: 814-860-5700

Fax: 814-860-5811

www.autoclave.com

fOr

cl/cm/ch/Ol/Om/Oh

mODel OperatOrs

10V

10sm

20sm

30Vm

40Vm

60Vm

100Vm

series ValVes

ISO-9001 Certified

DIAPHRAGM DESIGN AIR OPERATED VALVE

OPERATION & MAINTENANCE MANUAL

1.0 INSTALLATION

All valves are factory adjusted and tested at the pressure marked on the operator label.

Refer to Parker Autoclave Engineers’ Valves, Fittings and Tubing Catalog (installation

section) for proper tubing connection installation.

The air supply connection on the operator is 1/8” NPT. The recommended value for air

pressure at the maximum valve operating pressures is shown on the operator label. The

maximum allowable working pressure of the operator is 100 psi for OL, CL, OM and

CM operators and 70 psi for OH and CH operators.

 Anextendingstufngboxmust be used at temperatures below-100°F. or above 800°F.

Refer to Autoclave Engineers’ Valves, Fittings and Tubing Catalog (Specialty Valves Section)

for pressure ratings at various temperatures.

Use minimum required air pressure (CL, CM and CH operators) or minimum required

spring precompression (OL, OM and OH operators) to increase stem and seat life. Refer to

the Air Operator Sizing Data in the Valve Actuators Section of the VFT Catalog.

Applications which require extended cycle life should be considered on an individual basis.

!! CAUTION !!

! For proper operation of air operated valves, the pressure

inlet to the valve should always be below the seat.

!! Rotating the operator with the valve in the closed

position will damage the seat voiding the warranty.

SPRING ADJUSTMENT - OL, OM and OH VALVES ONLY

On some sizes of the OL, OM and OH operators, the spring limits the travel at the maximum

pressures.Thisaffectstheowcapacityofthevalve.SeetheAirOperatorSizingDatainthe

ValveActuatorsSectionoftheVFTCatalogforactualsystemtravelandowcoefcient.

If a longer stem travel is desired when the operating pressure is less than the maximum, then this

should be requested at the time of order so that the valve will be properly adjusted at the factory. If

a valve has already been set for a higher operating pressure and a longer stem travel is desired, the

valvemayhavetobereturnedtothefactoryforstemandpackingreplacementandrenishingof

the seat to assure an effective valve seat seal in the closed position.

3.0 PACKING ADJUSTMENT

When the valve packing starts to leak, follow the steps below to reseal the valve stem.

1. Relieve all pressure in the valve body.

2. CL, CM and CH Valves Only:

Relieve all air pressure to the operator inlet.

OL, OM and OH Valves Only:

Apply and maintain air pressure to the operator inlet (so the stem is unseated).

3. Loosen the packing gland locking device.

4. While holding the valve body secure, use a torque wrench to tighten the packing gland

to the value shown on the attached installation summary chart. If a torque wrench is

not available, tighten the packing gland approximately 1/16 turn.

5. Pressurize the valve and check for leaks.

6. If the packing still leaks, relieve all pressure in the valve and repeat steps 4 and 5.

If the packing does not seal after several attempts, it probably needs replacement

(refer to section 4.0).

NOTE: Do not attempt to tighten packing gland by grasping

and turning the diaphragm operator housing.

7. Install the packing gland locking device.

8. OL, OM and OH Valves Only:

Relieve air pressure to the operator.

4.0 PACKING OR STEM REPLACEMENT

To change packing or stem, follow the steps listed below.

1. Relieve all pressure from the valve and operator.

2. OL, OM and OH Valves Only:

Loosen the jam nut on top of the spring housing, then loosen the screw until all spring

compression is relieved. Apply air (approximately 20 psi) and maintain pressure to the

operator (so the stem is unseated).

3. Loosen the packing gland locking device.

4. While holding the valve body secure, loosen the packing gland.

5. Completely loosen the packing gland and remove the valve body. The packing will stay

on the stems that have a larger stem tip below the packing.

6. If the stem does not have a larger stem tip and only the packing is being replaced, go to

Step #7.

For stems that do have a larger stem tip or if the stem is being replaced, the operator must be

disassembled so that the stem may be removed. Follow the instructions for disassembly of the

operator in section 5.0 and remove the stem from the diaphragm head. Remove the packing

gland and o-ring retainer (OL, OM and OH only) from the stem.

7. Remove the packing from the stem (stems with larger stem tip) or from the valve body

(stems without this tip).

8. Place new packing and washers on the stem or in the valve body.

9. For stems with a larger stem tip, slide the stem through the packing gland and place the

o-ring retainer (OL, OM and OH only) over the stem as shown in Figure 1. Follow the

operator reassembly instructions in Section 5.0.

10 Place the packing gland locking device over the gland and install the gland into the valve

body. OL, OM and OH only: apply and maintain air pressure to the operator

(approximately 20 psi). While holding the valve body secure, tighten the packing gland to the

value shown on the attached installation summary chart.

11. Secure the packing gland locking device.

12. OL, OM and OH Valves Only: Relieve air pressure to the operator and tighten the

screw on top of the spring housing until the stem bottoms out on the seat. Back the

screw off, then hand tighten. Tighten the screw the distance shown on the installation

summary table. An equivalent amount of screw revolutions is also given. Once

completed, tighten the jam nut securely in place.

5.0 SEAT REPLACEMENT (Replacement Seat Valves)

When the seat requires replacement, use the following procedure.

1. Relieve all pressure from the valve.

2. (OL, OM, and OH valves only)

Loosen the jam nut on top of the spring housing then loosen the screw until all spring

compression is relieved. Apply and maintain air (approximately 20 psi) to the operator

to move the stem to the "open" position.

(CL, CM and CH valves only)

Relieve all pressure to the air operator.

3. While holding the valve body secure, remove the seat retainer or the seat.

4. Inspect the seat for signs of wear or damage. Replaceable seats may be reversed if

only one side is worn. If both sides are worn, use a new seat.

5. Place the seat in the body and install the seat retainer. While holding the body secure,

torque the seat retainer to the valve in the installation summary chart.

6. OL, OM, and OH valves only.

Relieve all air pressure to the operator. Adjust the spring pre-compression per the

  specicationsheets.

6.0 OL, OM, OH Operators (Refer to Figures 1, 4, 5, 6, 7, 8, and 9 for parts diagrams).

1. Disassemble the operator from the valve body as indicated in Section 4.0, Steps 1- 5.

2. Loosen the set screw (Item #14) in the lower housing (Item #2).

3. Unscrew the packing gland from the lower housing.

4. Loosen and remove the hex nuts (Item #12) around the perimeter of the housing.

Remove the lock washers (Item #13) and hex head screws (Item #11) and remove

the lower housing from the upper housing (Item #1).

5. Remove the diaphragm (Item #5) and diaphragm head (Item #6). If the stem does not

have a larger stem tip, remove the o-ring retainer (Item #22) if the operator has one

then go to Step #8. If the stem must be removed from the diaphragm head, follow Steps 6

and 7.

NOTE: Some operators have a lock nut in lieu of a set screw.

Loosen the lock nut prior to removal of the lower housing.

6. The stem may be attached to the diaphragm head in a number of different ways.

Follow one of the below procedures and refer to the indicated illustration that applies

to the operator being repaired.

• (Figure 4) Loosen the hex socket set screw (Item #21) from the top of the diaphragm

head and unscrew the stem.

• (Figure 5) Remove the hex nut from the top of the diaphragm head and unscrew the

stem.

7. Remove the diaphragm, o-ring retainer, and packing gland, packing and packing

washers from the stem. Replace the packing if necessary.

8. Place the o-rings in the packing gland or the o-ring retainer if the operator has one.

The o-rings may be installed in a number of different ways. Follow one of the below

procedures and refer to the indicated illustration that applies to the operator being repaired.

NOTE: If the stem does not have a larger tip, the packing and packing

washers will remain in the body. Remove the packing and

washers from the body and reinstall new packing.

• (Figure 6) Place the o-rings in the o-ring retainer (P-0885, Unif. 112 and P-6002,

Unif. 108) and make sure the o-ring retainer is placed around the stem on top of the

packing gland before replacing in the lower housing. Reinstall retaining ring to secure

o-ring retainer.

• (Figure 7) Remove the sleeve from the packing gland bore. Replace the o-ring

(P-0847 Unif. 107) in the bore. Replace the o-ring in the groove (P-0885, Unif. 112)

on the outside of the packing gland and replace the sleeve.

• (Figure 8) Remove the retaining ring and sleeve from the packing gland bore.

Replace the o-ring (P-0847, Unif. 007) in the bore. Replace the o-ring in the groove

(P-0885, Unif. 112) on the outside of the packing gland and replace the sleeve and

retaining ring.

• (Figure 9) Loosen the hex jam nut on the packing gland. Remove the insert from the

packing gland. Replace the o-ring (P-0867, Unif. 110 or P-0848 Unif. 009) around the

stem on top of the packing gland. Replace the insert and tighten the hex jam nut. It is

necessary to have the stem pushed up through the packing gland at this time to be

sure that the o-ring seals around it.

For stems that have a larger stem tip, install the bottom washer, new packing and the

packing washer on the stem.

9. Screw the packing gland into the lower housing and tighten the set screw or lock nut.

If necessary, place the o-ring retainer above the packing gland, as shown in Figure 1.

10.Placeanewdiaphragminthelowerhousing,makingsurethatittsintotherecess, 

as shown in Figure 1. Refer to the replacement parts list for the proper diaphragm part number.

11. Place the diaphragm head over the diaphragm, place the washer onto the stem, push

the stem through the packing gland, o-ring retainer and diaphragm, and attach it into

the diaphragm head. If necessary, replace the tighten the set screw or hex nut depending on

  whichgure(4or5)isapplicabletothestemattachment.

12. Place the spring (Item #8) over the diaphragm head and place the spring suppressor

(Item #4) over the spring.

13. Place the upper housing on the lower housing, reinsert the hex head cap screws

(Item #11), install the washers (Item #13) and nuts (Item #12) and gradually tighten

the nuts around the perimeter of the housing.

14. Follow the instructions in Section 4.0, Steps 10-12 to install the operator to the body

and adjust the spring.

6.1 CL, CM and CH Operators (refer to Figures 2 and 3 for parts diagrams).

1. Disassemble the operator from the valve body as indicated in Section 4.0, steps 1 - 5.

2. Loosen and remove the hex nuts (Item #9) around the perimeter of the housing. Re

move the lock washers (Item #10) and hex head screws (Item #8) and remove the

upper housing (Item #1) from the lower housing (Item #2).

CH only - remove the nut and stop from the top of the diaphragm head.

3. Remove the diaphragm (Item #4) and diaphragm head (Item #3).

4. If the stem has a larger tip below the packing and the packing or stem requires replace-

ment, the stem must be removed from the diaphragm head. If not, proceed to Step 9.

5. Refer to Figure 3. Loosen the hex nut under the diaphragm head or the set screw above

the diaphragm and unscrew the stem.

6. Remove the packing washer from the stem and replace the packing, if necessary.

NOTE: If the stem does not have a larger tip, the packing and packing

washers will remain in the body. Remove the packing and

washers from the body and replace the packing.

7. Slide the stem up through the packing gland and spring (Item #7).

8. Screw the stem into the diaphragm head and tighten the hex nut or hex socket set

screw depending on how the stem is attached (Figure 3).

CH only - Place stop onto stem above the diaphragm head then install and tighten nut.

9. Be sure that the spring (Item #7) is sitting on top of the packing gland and the diaphragm

head sits on top of the spring, as shown in Figure 2.

10.Placeanewdiaphragminthelowerhousing,makingsurethatittsintotherecess,

as shown in Figure 2. Refer to the replacement parts list for the proper diaphragm part

number.

11. Place the upper housing on the lower housing, insert the hex head cap screws

(Item #8), install the washers (Item #10) and nuts (Item #9) and gradually tighten the

nuts around the perimeter of the housing.

12. Follow the instructions in Section 4.0, Steps 10-12 to install the operator to the body.

7.0 SERVICE

For service, contact the Parker Autoclave Engineers Representative in your area, or FAX

Parker Autoclave Engineers’ Customer Support at 1-814-860-5811.

NOTE: Make sure that the diaphragm head is free of sharp edges before

installing, as it may cause damage to the diaphragm.

REPLACEMENT PARTS LISTS - Diaphragm Part Number

VALVE SERIES

10V2

10V4

10V6

10V8

SW4

SW6

SW8

10/20SM4

10/20SM6

10/20SM9

30VM4

30VM6

30VM9

60VM4

60VM6

60VM9

Packing Gland

Hex Size

in (mm)

13/16 (20.6)

15/16 (23.8)

13/16 (20.6)

15/16 (23.8)

13/16 (20.6)

15/16 (23.8)

1-3/8 (34.9)

13/16 (20.6)

Tube Gland

Hex Size

in (mm)

1/2 (12.7)

13/16 (20.6)

7/8 (22.2)

9/16 (14.3)

11/16 (17.5)

7/8 (22.2)

1/2 (12.7)

5/8 (15.9)

7/8 (22.2)

1-3/16 (30.2)

1-3/8 (34.9)

5/8 (15.9)

Tube Gland

Torque

ft-lbs (Nm)

Note 4

20 (27.1)

30 (40.7)

40 (54.2)

25 (33.8)

45 (60.9)

40 (54.2)

50 (67.8)

10 (13.6)

15 (20.3)

Seat Retainer

Torque

ft-lbs (Nm)

12 (16.3)

10 (13.6)

20 (27.1)

30 (40.8)

15 (20.3)

30 (40.8)

40 (54.4)

70 (95.2)

80 (108.8)

35 (47.4)

40 (54.2)

55 (74.5)

35 (47.4)

20 (27.1)

35 (47.4)

50 (67.8)

65 (81.3)

15 (20.3)

35 (47.4)

DIAPHRAGM AIR OPERATED VALVES - Installation Summary Chart - Air-to-Close

VALVE SERIES

10V2-CL

10V2-CM

10V4-CL

10V4-CM

10V6-CL

10V6-CM

10V8-CM

SW4-CL

SW4-CM

SW6-CM

SW8-CM

SW8-CH

20SM4-CM

20SM4-CH

20SM6-CM

20SM6-CH

10/20SM9-CM

10/20SM9-CH

10/20SM12-CM

10/20SM12-CH

10/20SM16-CM

10/20SC16-CH

30VM4-CL

30VM4-CM

30VM4-CH

Packing Gland

Torque

ft-lbs (Nm)

15 (20.4)

35 (47.4)

50 (67.8)

65 (88.4)

50 (67.8)

15 (20.3)

25 (47.3)

50 (67.8)

60 (81.6)

65 (88.4)

40 (54.2)

60 (81.3)

25 (33.9)

60 (81.3)

Note 2

25 (33.9)

60 (81.3)

3030-1414

105A-0226

103A-0326

105A-0326

103A-0326

3100-2023

3040-1897

3030-1414

102A-0326

3100-2023

3040-1897

Notes:

1. Torque may vary +/- 10%. Torque applies to PTFE or nylon/leather packings. Add 10% to above values for PTFE Glass and 25% to above values for graphite yarn.

2. Finger tight then 3/4 turn with wrench. (PTFE only).

3. Spring pre-compression required at the maximum working pressure of the valve.

4. Torque wrench not required for AE SpeedBite tube connections. Tighten the gland until the sleeve begins to grip the tubing, then 1-1/4 turns.

DIAPHRAGM AIR OPERATED VALVES - Installation Summary Chart - Air-to-Close

Packing Gland

Hex Size

in (mm)

13/16 (20.6)

15/16 (23.8)

VALVE SERIES

30VM6-CL

30VM6-CM

30VM6-CH

30VM9-CL

30VM9-CM

30VM9-CH

60VM4-CM

60VM4-CH

60VM6-CM

60VM6-CH

60VM9-CM

60VM9-CH

100VM5-CH

Packing Gland

Torque

ft-lbs (Nm)1

35 (47.4)

60 (81.3)

35 (47.4)

60 (81.3)

Tube Gland

Hex Size

in (mm)

13/16 (20.6)

1-3/16 (30.2)

5/8 (15.9)

13/16 (20.6)

1-3/16 (30.2)

11/16 (17.5)

Tube Gland

Torque

ft-lbs (Nm)

10 (13.6)

25 (33.8)

10 (13.6)

55 (74.5)

25 (33.8)

50 (67.8)

110 (149.0)

Seat Retainer

Torque

ft-lbs (Nm)

15 (20.3)

35 (47.4)

15 (20.3)

35 (47.4)

45 (60.9)

70 (95.2)

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