1 inch Air Release Valve, NPT Thread Connection,Water Tank Air Release Valve, Continuous Venting，Agricultural Industrial Exhaust equipme

About this item The valve body adopts the gas dynamics direct flow channel design, large inlet and exhaust port size, high flow rate. Power fast exhaust port and micro automatic exhaust port, dual exhaust port design. When you purchase this item, you will receive 1 exhaust valve, not 3! Integral float anti-puffing design prevents high-speed airflow from blowing up the float and closing the exhaust port prematurely*0.2bar/1.5psi low-pressure power seal design, good sealing to reduce leakage. PA material, corrosion resistance, acid and alkali resistance, long service life. A variety of installation caliber design, to meet the needs of different stingy households.