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Double Offset Resilient Seated Butterfly Valve

The is kind of resilient seated butterfly valve is used in diverse industries for both shut-off and regulating service.

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Double offset Resilient Seated Butterfly Valve


1. FEATURES

QQ截图20171113102011.png Directly vulcanized rubber to the body.

QQ截图20171113102011.png Face to face dimensions according to EN558-1, ISO5752

QQ截图20171113102011.png Polished disc edges for longer seat life and bubble tight shut-off.

QQ截图20171113102011.png Tested according to API 598

201711121050046889240.png


2. SPECIFICATIONS
QQ截图20171113102011.png Pressure class: PN 10 to 16 bar
QQ截图20171113102011.png Size: DN50-1200, NPS 2”-48” Other sizes on request      
QQ截图20171113102011.png Temperature range: -10℃ to +120℃
QQ截图20171113102011.png Easy handling and light weight
QQ截图20171113102011.png Keep liquid remained during repairing adjacent pipe

3. MAIN PARTS MATERIAL

QQ截图20171113102011.png Body : Stainless steel, Cast iron, DI,

QQ截图20171113102011.png Disc : Alloy steel, stainless steel, bronze

QQ截图20171113102011.png Seat: NBR, EPDM, etc.

QQ截图20171113102011.png Shaft: Stainless steel( SS304, SS316, SS410, SS420), Duplex

Other materials upon request


4. WAY OF CARRYING AND STORAGE

QQ截图20171113102011.png Please pay attention to do not make a scratch of the disc edge and seat ring

QQ截图20171113102011.png Butterfly valve should not be shaken too much because it will cause the crack of the neck, lever or body and it has to be protected from sunlight.

QQ截图20171113102011.png Valve should be partially opened during the transported

QQ截图20171113102011.png The favorable temperature is -10℃ to +70℃

QQ截图20171113102011.png Checking the operation smoothly once a month if it is in storage.

 


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