DIN high performance double eccentric butterfly valve
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DIN high performance double eccentric butterfly valve
一、Technical specification:
Standard: DIN high performance butterfly valve
Normal pressure: PN10, PN16, PN25 , PN40
Temperature range: -20℃ to 180℃.
Design:double eccentric
End connection: wafer end, Lug type
Medium: Water, oil , gas, saturated steam, high temperature fluids, corrosive fluids etc.
Design standard: API 609
Face to face:EN558-1
Side flange: DIN2501 or customer need
Top flange standard: ISO 5211
Test standard: API 598
二、Application: Chemical industry, petroleum industry, Shipbuilding industry etc.
三、Material
Body: Ductile cast iron, Cabron Steel(WCB), SS 304, SS316,
Disc: SS 304, SS316
Stem: SS316, SS17-4PH
Seat: PTFE, RPTFE, NBR, EPDM
四、Actuator: Handle, gearbox , electric actuator, pneumatic actuator or hydraulic actuator
五、Advantages:
1. With double eccentric design, the abrasion to the seat is very samll, so the high performance butterfly valve have long service life above 50000 times of opening anc closing
2. Double direction both can bear 1.1 times pressure sealing test.
3. Small torque, easily handle
4. Wide range of medium, like high temperature liquid, high pressure pipeline and highly corrosive fluid and gas.
5. Complete sizes, standards and models
6. Competitive price and high market competitiveness
7. Valve with bracket to mount all kinds of actuator
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