Push connect valve 1,cUPC, CE, Patent approved 2,Metric ... 1/2" 3/4".. 3,Material:C36500;DZR,CW617 Push connect valveBody: BrassO-Ring: EPDMGrab Ring: Stainless SteelPlastic: POM ... Large flow 3,Scope of Application Pipe fittings,Push connect plumbing fittings. Connect with CPVC,PEX,COPPER...PIPES 4, Applicable ... customers'good reputation at home and abroad. Push connect valve(CE & pattent approved)