Parker Hannifin Corporation
Fluid System Connectors
Otsego, Michigan
Catalog 3501E
Flow Control Check Valves
B23
68
PLCK Male Check Valve Meter Out - BSPP
Part
No.
TUBE
SIZE (MM)
BSPP
Hex 1
H
68
PLCK-4M-M5
4
M5x0.8
9
32.0
68
PLCK-4M-2G
4
1/8
16
28.5
68
PLCK-6M-2G
6
1/8
16
30.5
68
PLCK-6M-4G
6
1/4
16
30.5
68
PLCK-8M-2G
8
1/8
19
36.0
68
PLCK-8M-4G
8
1/4
19
36.0
68
PLCKI Male Check Valve Meter In - BSPP
Part
No.
TUBE
SIZE (MM)
BSPP
Hex 1
H
68
PLCKI-4M-M5
4
M5x0.8
9
32.0
68
PLCKI-6M-2G
6
1/8
16
30.5
68
PLCKI-8M-2G
8
1/8
19
36.0
68
PLCKI-8M-4G
8
1/4
19
36.0
68
PLCKI-10M-6G
10
3/8
23
42.0
68
PLCKI-12M-6G
12
3/8
23
42.0
68
PLCKI-12M-8G
12
1/2
23
44.0
H
Hex
H
Hex
VC – Check Valve
Part
No.
tube
SIZE
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.