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Tri-flow valves limit vacuum leakage in systems where some of the vacuum cups may not be in sealing contact with the workpiece.

Tri-flow valves are a cross between a flow sensor valve and a dual-flow valve. 

Tri-flow valves are fully open until the flow sensor section closes at the factory preset vacuum flow rate. 

When closed, a bypass orifice meters vacuum flow to limit leakage to a manageable rate. 

Workpiece release is accomplished by removing the vacuum source and admitting atmospheric air which also resets any tri-flow valves that have closed to the open position.

Tri-flow valves can handle greater porosity flow than dual-flow valves since they’re initially held open. 

Another advantage of the tri-flow valve is the metering orifice is protected by an integral filter for greater tolerance of contamination.

Tri-flow valves utilizes G 1/8 NPSF connection threads.

1 - 3 of 3 Part Numbers
TF18F-0.4
TF18F-0.4
EDCO Flow @ 18 InHg: 0.2 SCFM Closing Flow: 0.4 SCFM Weight: oz (g): 0.43 (12.2)
TF18F-0.5
TF18F-0.5
EDCO Flow @ 18 InHg: 0.4 SCFM Closing Flow: 0.5 SCFM Weight: oz (g): 0.43 (12.2)
TF18F-0.6
TF18F-0.6
EDCO Flow @ 18 InHg: 0.5 SCFM Closing Flow: 0.6 SCFM Weight: oz (g): 0.43 (12.2)
1 - 3 of 3 Part Numbers

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