Qingdao Haiying Valve Co., Ltd.  

Product Name: Wafer Butterfly Valve with Pneumatic Actuator Model NO.: BFVD007 Application: Industrial Usage, Water Industrial Usage Standard: DIN2501 ASME B16.47 BS4504 Jisb2220 Valve Body: Casting Material of Seal Surface: Soft Sealed Working Temperature: Normal Temperature (-40