CONRADER NSG-23 5813 Pilot Unloader Check Valve, Gasoline, 1/4 Inch Inlet FNPT Top And 1/2 Inch Inlet

Conrader NSG-23 pilot unloader check valve is used for running air compressors for continuous operation. It incorporates a discharge unloader valve, pilot valve and check valve. This valve can also be used on electric motor / gas engine-driven air compressors.

Working Mechanism:

• The pilot stays closed until the downstream pressure reaches the unload setting.
• The unloader valve is then opened and pressurised by the pilot, causing the unloader valve to open and release the compressor's surplus air into the atmosphere
• The pilot closes and depressurises the unloader valve as the compressed air downstream is consumed & the pressure decreases to the load setting.
• This cycle is repeated as the unloader valve closes, pressure builds once more, and so forth.

Features:

• Conrader NSG-23 pilot unloader check valve features a brass body for structural rigidity and high-pressure tolerance.
• It comes with a reinforced PTFE poppet and stainless steel spring for protection against wear and corrosion on exposed surfaces.
• This unloader check valve has unload set pressures ranging from 40 to 250 PSIG.
• It provides a maximum flow capacity of 20 SCFM at 100 PSIG.
• This NSG-23 pilot check valve comes with silicone / Viton O-rings for resistance against hazardous chemicals and UV radiations.

Frequently Asked Questions:

Q. What is the operating temperature range of this unloader check valve?

A. -65 to 400 degrees F.

Q. What types of connections do Conrader NSG Series check valves offer?

A.

• NPT
• BSPT
• Compression
• SAE flare
• JIC flare

Q. When should we install a check valve?

A. Check valve should be installed when there is a possibility of condensate backflow.