Gear Box Butterfly Valve Flange Type For Natural Gas Pipeline Product Description Butterfly valve is also called flip valve, is a simple structure of ...
Gear Box Butterfly Valve Flange Type For Natural Gas Pipeline Product Description Butterfly valve is also called flip valve, is a simple structure of ...
6'' 600LB Floating Ball Valve Stem 4140+ENP For Natural Gas Project The Floating Ball Valve Sealing Principle Since the ball of floating ball valve is ...
6'' 600LB Floating Ball Valve Stem 4140+ENP For Natural Gas Project The Floating Ball Valve Sealing Principle Since the ball of floating ball valve is ...
Big Size 24'' Fully Welded Ball Valve Used In City Gas Pipeline Product Description The fully welded valve body length and stem height can be adjusted ...
Big Size 24'' Fully Welded Ball Valve Used In City Gas Pipeline Product Description The fully welded valve body length and stem height can be adjusted ...