Butterfly Valve

Description: the open close piece of the valve is a round-disc butterfly board and ,by rotating around the axis of its own inside of the valve body, carrries out the open-close or dajusting function, it features:1)simple structure, small volume and light weight.2)quick open-close,labour saving and small fluid resistance 3)good adjustable perfomance,can be adjusted flexibly within 0-90 degree. Suitable for the pipeline of water supply and drainage,high buildings, firefighting,petroleum, chemical industry, medicine, food etc, trades to act as open-close or adjustment. Standards of design: GB12238. API609, JIS B2064 AWWA Standare of flange: GB4216 GB9113 GB9115 Structural length: GB/T15188.2 Testing standards: GB/T13927, JB/T9092 Material: can provied according to the customers reqirement.. (cast iron, ductile iron, cast steel, stainless steel and so on ..