... off valve,hand control valve Size:1/4",3/8",1/2",5/8" welding 2-way hand valve, shut ... off valve,hand control valveIt is a kind of manual ... C~=120°C;Max working pressure:3/5Mpa; 1. hand valve, made of brass and plastic 2. customer size ... .1/4'' Flare1/2'' Flare5/8'' Flare3/4'' Flare Primary Competitive Advantages:Quality Approvals The most competitive price Service ...