The Hromee Air Compressor Replacement Components Brass 1 2 Inch MNPT Compressor in Tank Check Valve Kit is designed specifically for high pressure pneumatic systems ensuring efficient operation with reliable performance This kit features a robust check valve that stops backflow allowing only forward flow through the pipeline As air pressure decreases the valve automatically seals safeguarding your compressor Constructed from premium brass this check valve is built to last incorporating stainless steel springs and glass filled fluoropolymer poppets that offer exceptional sealing efficiency With a maximum pressure tolerance of 450 PSI and an airflow capability of 20 SCFM this kit is designed for demanding applications The inclusion of both barbed and push to fit unloader tube fittings ensures compatibility with various nylon unloader tubing enhancing the overall functionality of your air compressor setup Ideal for home workshops and professional settings this check valve kit is a vital upgrade to maintain compressor integrity and operational safety