Specification: 1.one-way valve,FJ service valve; 2.used on air-conditioner,refrigeration; 3.Certification:ROHS. Our factory produces various interfaces and various plastic parts provide to customers for the installation of isolation valve. Main technical parameters: Rated working pressure3MpaTemperature of operation-20C ~ + 120CSuitable mediumR12,R22,R502 and its substitutesLeaking amount1 x 10- ...