Specifications

G51
Parker Hannifin Corporation
Pneumatic Division
Richland, Michigan
www.parker.com/pneumatics
Flow
Controls
Integrated
Fittings
SensingControl
Panel
G
Integrated Fittings
Flow Control Check Valves
Catalog 0600P-E
Part Numbers
68PLCK Male Check Valve Meter Out - BSPP
Part
No.
Tube
Size (mm)
BSPP
Hex 1
(mm)
H
68PLCK-4M-M5 4 M5X0.8 9 32.0
68PLCK-4M-2G 4 1/8 16 28.5
68PLCK-6M-2G 6 1/8 16 30.5
68PLCK-6M-4G 6 1/4 16 30.5
68PLCK-8M-2G 8 1/8 19 36.0
68PLCK-8M-4G 8 1/4 19 36.0
68PLCKI Male Check Valve Meter In - BSPP
Part
No.
Tube
Size (mm)
BSPP
Hex 1
(mm)
H
68PLCKI-4M-M5 4 M5X0.8 9 32.0
68PLCKI-6M-2G 6 1/8 16 30.5
68PLCKI-8M-2G 8 1/8 19 36.0
68PLCKI-8M-4G 8 1/4 19 36.0
68PLCKI-10M-6G 10 3/8 23 42.0
68PLCKI-12M-6G 12 3/8 23 42.0
68PLCKI-12M-8G 12 1/2 23 44.0
32PLCK In-Line Check Valve
Part
No.
Tube
Size (In)
L
32PLCK-5/32 5/32 1.52
32PLCK-4 1/4 1.61
32PLCK-5 5/16 2.03
32PLCK-6 3/8 2.50
W68PLCK Male Check Valve
Part
No.
Tube
Size (in)
NPT /
UNF
Hex
(mm)
H
68PLCK-5/32-0 5/32 10-32 9 1.26
W68PLCK-5/32-2 5/32 1/8 16 1.12
W68PLCK-4-2 1/4 1/8 19 1.42
W68PLCK-4-4 1/4 1/4 19 1.42
W68PLCK-6-4 3/8 1/4 23 1.65
W68PLCK-6-6 3/8 3/8 23 1.65
W68PLCKI Male Check Valve Meter In
Part
No.
Tube
Size (In)
NPT /
UNF
Hex
(mm)
H
68PLCKI-5/32-0 5/32 10-32 9 1.26
W68PLCKI-5/32-2 5/32 1/8 16 1.12
W68PLCKI-4-2 1/4 1/8 19 1.42
W68PLCKI-4-4 1/4 1/4 19 1.42
W68PLCKI-6-4 3/8 1/4 23 1.65
W68PLCKI-6-6 3/8 3/8 23 1.65
32PLCK In-Line Check Valve
Part
No.
Tube
Size (mm)
L
32PLCK-4M 4 38.5
32PLCK-6M 6 41.0
32PLCK-8M 8 51.5
32PLCK-10M 10 63.5
32PLCK-12M 12 66.5
L
L
H
Hex
H
Hex
H
Hex
H
Hex
VC – Check Valve
Part
No.
Tube Size
(In)
L O.D.
A4VC4-MG 1/4 2.00 .66
A5VC5-MG 5/16 2.10 .70
A6VC6-MG 3/8 2.15 .80
L
O.D.