04Flanged PTFE Lined Handled Butterfly Valve Material of main parts Part name Materials Body QT450,WCB Disc PTFE LINED STAINLESS STEEL Seat PTFE Stem ...
03Wafer Type PTFE Lined Headless Butterfly Valve Material of main parts Part name Materials Body QT450,WCB Disc PTFE LINED STAINLESS STEEL Seat PTFE ....
02Wafer Type PTFE Lined Worm Gear Butterfly Valve Material of main parts Part name Materials Body QT450,WCB Disc PTFE LINED STAINLESS STEEL Seat PTFE ...
Wafer type lining fluorine handle butterfly valve Material of main parts Part name Materials Body QT450,WCB Disc PTFE LINED STAINLESS STEEL Seat PTFE ...