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Multi-layer Metal Seal Butterfly Valve

The multi-layer metal seal butterfly valve is suitable for extremes of pressure and temperature. Zero leakage, shut-off.

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Multi-layer Metal Seal Butterfly Valve


1. SPECIFICATIONS

QQ截图20171113102011.png Design: EN558 Series 20, ISO 5752 Series 20, API 609, BS 5155 Series 4     

QQ截图20171113102011.png Quarter turn, triple offset geometry achieves

QQ截图20171113102011.png Hard-faced, integral metal seating

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QQ截图20171113102011.png Blow out proof stem, retained both externally and internally
QQ截图20171113102011.png Torque generated resilient metal seal provides
    zero leakage performance (API 598 resilient seated)
QQ截图20171113102011.png Suitable for cryogenic and high temperature services
QQ截图20171113102011.png Tested according to API 598.

2. TECHNICAL DATA
QQ截图20171113102011.png Pressure range: PN 6 to 100 bar, ASME 150 to 600
QQ截图20171113102011.png Size: DN50-3000 (NPS 2”-120”)
    Other sizes on request
QQ截图20171113102011.png Temperature range: -196℃~+425℃
QQ截图20171113102011.png End connections: Flanged, BW, wafer, lugged

QQ截图20171113102011.png Drive mode: worm-gear, electric, pneumatic


3. MATERIALS

QQ截图20171113102011.png Body: Cast Iron, CI, Carbon, Alloy Steel and Stainless Steel etc.

Other materials are available upon request


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