... valve, extended welded butterfly valve, pneumatic butterfly valve 2) Ball valve: quick-installed ball valve, without resort-liquid ball valve, without dead angles ball valve, threaded three and ball valve, flange ball valve ... valve, triplet diaphragm valve, U-type diaphragm valve5) Sample valves, stop reversing valves, forged stainless steel valves, and pipe ... (for customized design). 6. ...