PC200_Manual_REV_G-1.pdf - 第50页

PC200 PVA Revis ion G (201 9) 50 of 56 Technica l Speci fica tions Table 2: PC200 Tech nica l Spe cific at ions Weight PC 200R- AL PC 200 RW -AL Approxim ately 2 .3 lb s (36 .8 oz) Approxim ately 3 .7 lb s (59 .2 oz) PC …

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PC200
PVA
Revision G (2019)
49 of 56
Spare Part Kit For: PC200RW / Teflon Seals
P/N: PC2RW-T-SP
Contact PVA
ITEM
DESCRIPTION SYMBOL QTY
1
Seal, loaded lip, Teflon
Contact PVA
2
2
O-ring, 030 Buna
VLV-030B
1
3
O-ring, 123 Buna
VLV-123B
1
4
O-ring, 108 Buna
VLV-108B
2
5
O-ring, 016 Kalrez
VLV-016K
6
6
O-ring, 006 Kalrez
VLV-006K
2
7
Bearing, sintered sleeve, .188 x .375 x .250” long
01502
1
8
Bearing, sintered sleeve, .125 x .250 x .250” long
01503
1
9
Washer, nylon
214-5368
2
Contact PVA for information on replacement parts or to order.
PC200
PVA
Revision G (2019)
50 of 56
Technical Specifications
Table 2: PC200 Technical Specifications
Weight
PC200R-AL
PC200RW-AL
Approximately 2.3 lbs (36.8 oz)
Approximately 3.7 lbs (59.2 oz)
PC200R-SS
PC200RW-SS
Material inlets
9/16-18 SAE
Air ports
#10-32 UNRF
Operating Air Pressure
60 – 100 psi
Maximum Fluid Pressure
1500 psi
Viscosity Range
1 cps – 250,000 cps
PC200
PVA
Revision G (2019)
51 of 56
Troubleshooting
Troubleshooting
Problem
Possible Cause Corrective Action
Valve Does Not
Cycle
• Air pressure to air section is too
low
• Stroke adjustment screw is
fully engaged
• Material is cured in the valve
• Valve was assembled without
lubricating the O-rings
• Increase the air pressure to 60-100
psi
• Turn stroke adjustment screw counter-
clockwise to increase snuff back
• Disassemble and clean valve
• Disassemble valve, lubricate O-
rings and assemble again
Material Leaks
From Static
Mixer
• Snuff back is set too low
• Lip seals are worn
• Air trapped in the valve or
static mixer
• Turn stroke adjustment screw counter-
clockwise to increase snuff back
• Replace lip seals
• Bleed valve until air is removed
Air Bubbles In
Fluid
• Valve is not correctly bled
• Problem with fluid delivery
system
• Bleed the valve until the air is
removed
• Diagnose and repair
No Flow From
Valve
• Manifold is blocked
• Air cylinder does not operate
• Static mixer is plugged
• Problem with material supply
• Examine and clean manifold
• Increase operating air pressure to 80
psi. Inspect valve for cured material
• Replace static mixer
• Examine material supply to the valve
Valve Drips
Continuously
After Shutoff
• Snuff back is set too low
• Lip seals are defective or worn
• Valve rods are defective or
worn
• Turn stroke adjustment screw
counterclockwise to increase snuff
back.
• Examine and replace lip seals
• Examine and replace valve rods