Accessory Valves
Pilot Operated Check Valve
58.4
35.4
12.4
G 1/8 PILOT PORT
F
A
E D
C
OPTIONAL MANIFOLD PILOT PORT H
MANUAL OPERATED CHECK VALVE RELEASE
MANIFOLD INLET PORT H
MANIFOLD OUTLET PORT H
MANUAL OPERATED CHECK VALVE 47-0331-72 & 47-0331-73
2.7
B
J
1.8 MANUAL RELEASE PLUNGER STROKE
69.9 94.5
INLET PORT G
28.6
THESE MANUAL OPERATED PO CHECK VALVES TAKE 15.568 NEWTON OF FORCE PER 0.965 BAR TO RELEASE
L M
OUTLET PORT G
L M
COUNTERBORE TYPE 47-0331-70 & 47-0331-72
Pilot Operated Check Valve n Cartridge and Manifold Mount versions. n Sealed pilot piston eliminates cross circuit leakage. n 5:1 Ratio of Pilot to Check pressure for release. n Unclamp device sequencer, provides a way to sequence single circuit unclamp timing. n Flows up to 5.7 l/min at 350 bar maximum pressure. n Stainless steel cartridge construction.
7.2
K
ILMV703300 REV D
62.7
69.9
94.2
Dimensions
Model No. 47-0331-71
Mounting Style A B C D E F G H J
K L M
Manifold G 1/4 50.8 41.3 25.4 42.1 39.7 8.7 G 1/4 M8 Plug 26.9 28.6 7.1 11.1 47-0331-73 Manifold/ G 1/4, Manual 50.8 41.3 25.4 42.1 39.7 8.7 G 1/4 M8 Plug 26.9 28.6 7.1 11.1 47-0331-70 Manifold Only 44.5 38.1 22.2 38.9 36.5 5.5 N/A N/A 23.8 N/A 7.1 11.1 47-0331-72 Manifold Only 44.5 38.1 22.2 38.9 36.5 5.5 N/A N/A 23.8 N/A 7.1 11.1
M-8
For proper sealing, the mating surface must be flat within 0.08 mm with a maximum surface roughness of 1.6 µm R a
Mounting Dimensions for Pilot Check Valve P/N 47-0331-70 and 47-0331-71
55.55
50.32
27.31
4.29
14.27
3.30 2.29 3 PLACES FOR MANIFOLD PORTING
16.68
33.35
4X M6 MOUNTING HOLES THREAD 9.65 MINIMUM THREAD DEPTH
PILOT PORT
INLET PORT
OUTLET PORT
ILMV703303 REV B
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