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1/4 & 3/8 NPTF Balanced Pilot-Operated Check Valves - All Ports on One Side

Patents Pending


Basic Operation:


Lock your pneumatic device in position when a pressure drop or total loss of pressure occurs. Manual release for exhausting trapped air before maintaining the system (OSHA Requirement).

  • Immediate Checking
  • Optional Manual Release
  • .0000522 cc/min Leak Rate
  • Low & High Temp




Operating Data:


Max Pressure:
150 psi
Min. Pilot Pressure:
40 psi
25 psi (see table '-K18')
Leak Rate:
.0000522 cubic cc/min
Temp. Range:
30 - 150 F
30 - 350 F (see table '-V')
-40 - 150 F (see table '-T40')
Cycle Rate:
1 cyc./sec. max.
Flow Capacity (Cv):
2.6
Cracking Pressure:
1-2 psi
Service:
Properly filtered dry air or lubricated air.


Model No. 1/4 NPTF 3/8 NPTF
No Manual Release B4100 B6100
Manual Release B410M B610M
Flush Manual Release B41FM B61FM
For a lower pilot pressure add (-K18) to the model # (ex. B610M-K18)
For high temp seals add (-V) to the model # (ex. B4100-V)
For low temp seals add (-T40) to the model # (ex. B4100-T40)


Product Specs: (Click to see a larger images)