Specifications

G50
Parker Hannifin Corporation
Pneumatic Division
Richland, Michigan
www.parker.com/pneumatics
Flow
Controls
Integrated
Fittings
Sensing Control
Panel
G
Integrated Fittings
Flow Control Check Valves
Catalog 0600P-E
Features
Applicable Tube
Tube O.D.
• PLCK: 5/32, 1/4,
5/16, 3/8
• VC: 1/4, 5/16, 3/8
Tube O.D. (mm) PLCK: 4, 6, 8, 10, 12
These in-line check valves allows air to pass in one direction while
blocking flow in the other direction. Their extreme compactness
and light weight make them suitable as a safety item in compressed
air circuits. The body of the fitting contains an arrow to indicate the
direction of flow.
Materials of Construction
Body:
• 32PLCK: Nylon/nickel
plated brass
• 68PLCK: Nylon body
with nickel-plated brass
base
• VC: Acetal
Gripping
Ring:
Stainless Steel
O-Ring:
• Nitrile (32PLCK &
68PLCK)
• EPDM (VC)
Nomenclature
Example:
W68PLCK-4-2
Attribute:
W
White thread
sealant
68 Tube x Pipe
PL Prestolok
CK Check Valve
4 1/4 Tube O.D.
2 1/8 Pipe thread
Nomenclature
Example:
A4VC4-MG
Attribute:
A Acetal
4 1/4 Tube O.D.
VC Valve, Check
4 1/4 Tube O.D.
MG Metal gripping ring
Specifications
Pressure Range: 15 TO 145 PSI
Temperature
Ranges:
34°F to 150°F
Cracking Pressure:
• PLCK: 7 PSI
• VC: 1/3 PSI
Working Fluid: Compressed air