... mm)DN10DN15DN20 DN25ConnectionWelded ferrule threadMaterialMain valve: SS forge pieceValve stem: stainless steelValve plug,Valve seat: stainless steelValve clack ... main products include pressure regulator, steel flange, Stop Valve, ball valve, Filter, insulating joint, regulator station etc. Our company ... us for business cooperation. We have been in valve industry for more than five decades. Please let ...