PC200_Manual_REV_G-1.pdf - 第34页

PC200 PVA Revis ion G (201 9) 34 of 56 How to Re place O - ri ngs Piston O - ring 1. Disassemble and clean the valve. 2. Do steps 1 - 5 in Section 4.3 and repla ce the O - ri ng in the piston wit h a new O- ring from the…

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PC200
PVA
Revision G (2019)
33 of 56
Periodic Maintenance
How to Replace a Static Mixer
Remove the old static mixer and do the steps in Section 3.2 to install a new static mixer.
How to Replace Lip Seals
The PC200 valve will require lip seal replacement periodically. The interval between seal
replacement varies widely depending on duty cycle, material type, and day to day care
of the valve. It is highly recommended that spare parts kits and a tool kit be on hand for
fast and easy seal replacement. Refer to Section 9 for spare parts kits information.
For a more extensive valve rebuild, refer to Sections 6 and 7 for a complete bill of
materials and exploded drawings.
Seal Plate Lip Seals
1. Disassemble and clean the valve.
2. Do steps 1-8 in Section 4.3 and replace the lips seals in the seal plate.
3. Refer to Section 4.3 to assemble the valve again.
Fluid Section Lip Seals
1. Disassemble and clean the valve.
2. Do steps 1-11 in Section 4.3 and replace the lips seals in the seal plate.
3. Refer to Section 4.3 to assemble the valve again.
How to Replace Valve Rods
1. Disassemble and clean the valve.
2. Do steps 1-2 in Section 4.3 and replace the rods.
3. Refer to Section 4.3 to assemble the valve again.
How to Replace Sleeve Bearings
1. Disassemble and clean the valve.
2. Do steps 1-7 in Section 4.3 and replace the sleeve bearings in the separation
block.
3. Refer to Section 4.3 to assemble the valve again.
PC200
PVA
Revision G (2019)
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How to Replace O-rings
Piston O-ring
1. Disassemble and clean the valve.
2. Do steps 1-5 in Section 4.3 and replace the O-ring in the piston with a new
O-ring from the spare parts kit.
3. Refer to Section 4.3 to assemble the valve again.
Fluid Section O-rings
1. Disassemble and clean the valve.
2. Do steps 1-14 in Section 4.3 and replace the O-rings in the fluid section with
new O-rings from the spare parts kit.
3. Refer to Section 4.3 to assemble the valve again.
Air Cylinder O-rings
1. Disassemble and clean the valve.
2. Do steps 1-18 in Section 4.3 and replace the O-rings in the air cylinder with
new O-rings from the spare parts kit.
3. Do steps 19-31 and replace the 016 O-ring in the air cylinder groove.
4. Refer to Section 4.3 to assemble the valve again.
Fluid Manifold O-rings
1. Disassemble and clean the valve.
2. Do steps 1-39 in Section 4.3 and replace the O-rings in the fluid manifold
with new O-rings from the spare parts kit.
3. Refer to Section 4.3 to assemble the valve again.
PC200R Series Reference
NOTE: If your valve has Teflon
®
lip seals you must use Kalrez O-rings. To order these
parts please contact PVA.
PC200
PVA
Revision G (2019)
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PC200R-SS Bill of Materials
ITEM
DESCRIPTION
Part #
QTY.
*
Assembly Drawing
112-2643
Ref
1.
Air Cylinder
114-3794
1
2.
Cylinder Cap
114-3795
1
3.
Separation Block
114-8205
1
4.
Piston
114-3797
1
5.
Rod
114-8213
2
6.
Seal Plate
114-8206
1
7.
Standard: Fluid Body, Stainless Steel
114-8207
1
*
Option (RCA|RCB): Fluid Body, Recirculation Ports, SS
(114-9816)
1
8.
Standard (1): Manifold, 1:1, Stainless Steel
114-4482
1
*
Option (2): Manifold, Wide Ratio, SS
(114-3801)
1
*
Option (3): Manifold, Wide Ratio, SS (Reverse A/B)
(214-3830)
1
*
Option (4): Manifold, 3-Port, SS
(114-9495)
1
*
Option (5): Manifold, 3-Port, SS (Reverse A/B)
(214-3745)
1
*
Option (6): Manifold, Bayonet Style, SS
(114-5810)
1
9.
Nut, Retaining
214-3833
1
10.
Bolt, Shoulder, #10-24 x 1.00”
01473
2
11.
Bearing, Sintered Sleeve, .188 x .375 x .250” Long
01502
2
12.
Set Screw, 3/8”-24 x 1”
01426
1
13.
Washer, Sealing, 3/8”
01427
1
14.
Nut, Jam – 3/8”-24
01428
1
15.
Standard (U): Seal, Loaded Lip, Urethane
12500187
4
*
Option (T): Seal, Loaded Lip, PTFE
Contact PVA
4
16.
O-Ring, 030 Buna
VLV-030B
1
17.
O-Ring, 123 Buna
VLV-123B
1
18.
O-Ring, 108 Buna
VLV-108B
2
19.
O-Ring, 016 Viton
VLV-016V
6
20.
Fastener, #6-32 x .375” SHCS, Stainless Steel
SHSS6-32X.375
2
21.
Fastener, #10-32 x .625” SHCS, Stainless Steel
SHSS10-32X.625
4
22.
Fastener, #10-32 x 1.50” SHCS, stainless steel
SHSS10-32X1.5
4
23.
Air fitting, #10-32 x ¼” tube elbow
KQ2L07-32A
1
24.
Air fitting, #10-32 x ¼” tube elbow w/ speed control
AS1201F-U10/32-07
1
25.
Bleed Screw
214-5367
2
26.
Washer, Nylon
214-5368
2
*PVA BOM B12-1950