Fòje tiyo chèk asye, valv chèk balanse, valv chèk piston (leve valv chèk)
Dyamèt: 1/2″-2″,800lbs-2500lbs,API602
Bonn boulon / Bonnet soude / Bonnet sele presyon (PSB)
Kò/bonnet/Disk: A105/F304/F316/F11/F22/LF2/Monel elatriye
Taye: 13CR + STL/F304/F316
NORTECHis youn nan dirijan Lachin nanTcheke tiyo asye fòjeManifakti & Founisè.