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Inlet Connection
DFARS Specialty Metals
Export Control Classification Number (ECCN)
REACH
Air Compressor Air Flow Check Valves
Prevent air from escaping an air storage tank when the air compressor is not running. These valves install on the inlet of a tank. They open to allow airflow into the tank and close when flow stops or reverses direction. They have a 1/8 NPT tapped unloader port with removable plug for connecting to a pressure switch.
NPT Female Inlet × NPT Male Outlet

Female Inlet × Male Outlet
Inlet Pipe Size | Outlet Pipe Size | Max. Flow Rate, scfm | Max. Pressure, psi | Min. Opening Pressure, psi | Temp. Range, °F | Overall Lg. | Hex Size | Each | |
Brass Body | |||||||||
---|---|---|---|---|---|---|---|---|---|
3/8 | 1/2 | 20 | 450 | 3 | -15° to 400° | 2 11/16" | 7/8" | 0000000 | 000000 |
1/2 | 1/2 | 20 | 450 | 3 | -15° to 400° | 2 15/16" | 1" | 0000000 | 00000 |
3/4 | 3/4 | 30 | 450 | 3 | -15° to 400° | 2 3/4" | 1 3/16" | 0000000 | 00000 |
3/4 | 1 | 60 | 450 | 3 | -15° to 400° | 3 11/16" | 1 5/16" | 0000000 | 00000 |
1 | 1 | 60 | 450 | 3 | -15° to 400° | 4 1/8" | 1 1/2" | 0000000 | 00000 |
1 1/4 | 1 1/4 | 130 | 450 | 3 | -15° to 400° | 4 7/16" | 1 7/8" | 0000000 | 00000 |
Tube Compression Female Inlet × NPT Male Outlet