Name of the product: Metal-seat flanged butterfly valve
Main technical data:
Materials:
Application:
Main technical data:
Specification:
Design as BS EN593.
Design as BS EN593.
Face-to-face dimension conforms to BS EN558-1 Series 13 & 14.
Be suitable for flange BS EN1092.
Lever / Worm gear / Electric operator.
Pressure & Temperature ratings:
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Working Pressure
|
PN10 / PN16
|
|
Testing Pressure
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Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
|
|
Working Temperature
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-10°C to 80°C (NBR)
-10°C to 120°C (EPDM)
|
|
Suitable Media
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Water, Oil and gas.
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Materials:
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Parts
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Materials
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Body
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Ductile iron, carbon steel, stainless steel
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|
Disc
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Nickel ductile iron / Al bronze / Stainless steel
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Seat
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Carbon steel / Stainless steel / Brass
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Stem
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Stainless steel / Carbon steel
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Bushing
|
PTFE
|
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“O” ring
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PTFE
|
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Worm gearbox
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Cast iron / Ductile iron
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Application:
This kind of butterfly valve is widely utilized in foodstuff, pharmacy, chemical industry etc.
and industrial environmental protection, water treatment, high building, water supply and
drain tubing line open or close or adjusting medium.
and industrial environmental protection, water treatment, high building, water supply and
drain tubing line open or close or adjusting medium.