1/2 & 3/4 NPTF Pilot Operated Check Valves with Flow Controls Fast Advance and Slow Retract - Avoid Crash Landings
Patents Pending
Basic Operation:
Hold position when a pressure drop or total loss of pressure occurs. Flow control meters air from the output to the input port. Manual release to exhaust trapped air before maintaining the system (OSHA Requirement).
- Lower Loads Slowly
- Optional Manual Release
- .0000522 cc/min Leak Rate
Operating Data:
- Max Pressure:
- 150 psi
- Min. Pilot Pressure:
- 40 psi
25 psi (see table) - Temp. Range:
- 30 - 150 F
- Cycle Rate:
- 1 cyc./sec. max.
- Flow Capacity (Cv):
- 3.8 max.
- Cracking Pressure:
- 1-2 psi
- Service:
- Properly filtered dry air or lubricated air.
| Model No. | 1/2 NPTF | 3/4 NPTF |
|---|---|---|
| No Manual Release | B8100FL | B12100FL |
| Manual Release | B810MFL | B1210MFL |
| Flush Manual Release | B81FMFL | B121FMFL |
| For a lower pilot pressure add (-K18) to the model # (ex. B810MFL-K18). | ||
| No. of Turns | Equivalent Dia (in.) |
|---|---|
| .25 | .15 |
| .50 | .21 |
| .75 | .26 |
| 1.0 | .30 |
| 1.25 | .34 |
| 1.50 | .37 |
| 1.75 | .40 |
| 2.0 | .43 |
| 2.25 | .45 |
| 2.5 | .48 |
| 2.75 | .50 |
Product Specs: (Click to see a larger images)
