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1/4, 3/8 NPTF & G1/4, G3/8 BSPP Pneumatic Counterbalance Valves

Patents Pending

Basic Operation:

The counterbalance valve will hold a load in position until pressure or an external force is applied to move the load. Turning the adjusting screw clockwise will increase the load carrying capacity of the valve. Optional manual and flush manual release.

  • Optional Manual Release
  • .0000522 cc/min Leak Rate
  • Adjustable Load Setting

Operating Data:

Max Pressure:
120 psi
Leak Rate:
.0000522 cubic cc/min
Temp. Range:
30 - 150 F
Cycle Rate:
1 cyc./sec.
Flow Capacity (Cv):
Cracking Pressure:
1-2 psi
Properly filtered dry air or lubricated air.

Model No. 1/4 NPTF 3/8 NPTF 1/4 BSPP 3/8 BSPP
No Manual Release B4MC00 B6MC00 BG4MC00 BG6MC00
Manual Release B4MC0M B6MC0M BG4MC0M BG6MC0M
Flush Manual Release B4MCFM B6MCFM BG4MCFM BG6MCFM

Product Specs: (Click to see a larger images)