Products Description
High-performance butterfly valves are mainly suitable for drainage in water plants, power plants, steel mills, chemical industries, water source projects, environmental facilities construction and other systems. They are especially suitable for use on water pipelines as regulating and intercepting equipment.
Double eccentric butterfly valve is also called high-performance butterfly valve. It is mainly suitable for drainage in water plants, power plants, steel mills, chemical industries, water source projects, environmental facilities construction and other systems. It is especially suitable for use on water pipelines as regulating and intercepting equipment. Compared with the center line butterfly valve, the double eccentric butterfly valve is more resistant to high pressure, has a longer life and has good stability.
Butterfly Valves Specification
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Size Range |
NPS 2 to 66 / DN 64 to 1500 |
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Temperature Range |
-62°F to 500°F (-52°C to 260°C) |
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Maximum Allowable Operating Pressure |
Series 40/41 ASME Class 150 |
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Body Style |
Wafer, Lug, Double Flanged |
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Body Materials |
Carbon Steel, Stainless Steel, Nickel Aluminum Bronze |
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Stem Materials |
Stainless Steel |
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Seat Materials |
RTFE with Resilient Energizer, PTFE with Resilient Energizer |
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Disc Materials |
Stainless Steel, Nickel Aluminum Bronze |
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Flange Drilling |
ASME B16.5, EN 1092 |
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Testing Standard |
API 598 |
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Certifications |
ABS, API 607, ATEX, Bureau Veritas, CCS, DNV, ISO 10497, NSF 61/372, PED, PE(S)R, SIL |
Structural Features
1. Reasonable design, compact structure, easy assembly and disassembly, and easy maintenance.
2. Adopt eccentric structure to reduce the friction of the sealing ring and extend the service life of the valve.
3. Completely sealed, zero leakage. Can be used in ultra-high vacuum conditions.
4. Replace the valve plate sealing ring, butterfly plate, rotating shaft and other materials, which can be applied to a variety of media and different temperatures.
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