The Humphrey Quick Exhaust Valves Model QE4


Humphrey 1/2 pipe QE4 large quick exhaust valve is versatile. Product redirects exhausting air to its high flow 3/4 pipe exhaust port by sensing pressure differential. May be used as a shuttle valve, or achieve excellent check or flow control function with addition of plug or orifice. Compact body has high flow capacity. Molded shuttle outperforms competitive sheet stock types.

New Page



Number of Ports 3 ports
Number of Positions 2 positions
Valve Function Quick Exhaust
Piping Type Inline, Direct Piping
Options Included Use as Shuttle Valve, Plug EXH port for use as check valve
Approximate Size (in) HxWxD 3.66 x 2.18 x 2.95
Media Air, Inert Gas
Type of Operation Pressure Differential
Flow Capacity (Cv) 6.22
Port Size 1/2 NPT
Lubrication Not required
Pressure Range (psi) 1-150
Ambient Temperature Range (°F) -25~180
Wetted Materials Aluminum diecast, Polyurethane
Weight (oz) 15.0


There are no reviews yet.

Add a Review

Your rating