Double Eccentric Butterfly Valve
High Performance Butterfly Valve
Product Description: High performance Butterfly valve, double eccentric, double offset, PTFE seat, bi-directional, cast carbon steel, wafer type.
Product Name:High Performance Butterfly Valve
Design Standard: MSS SP-68, API 609
Body Material: ASTM A216 WCB
Disc Material: ASTM A351 CF8
Nominal Diameter: 24 Inch, DN600
Nominal Class: Class 150 LB, PN20
End connection: Wafer
Seat Material: PTFE
Face to face: API 609
Mode of operation: Wormgear
Test and inspection: API 598
Design of High Performance Butterfly Valve
The high performance butterfly valve features a double eccentric design with a spherical sealing surface and a single-piece flexible lip seal seat, making it ideal for applications requiring reliable sealing and precise flow regulation. The double eccentricity ensures tight sealing and extended service life, allowing the valve to efficiently cut off or regulate flow. Its design offers excellent sealing performance, durability, and the ability to operate quickly and effectively in various conditions.
Features of High Performance Butterfly Valve
The high performance butterfly valve offers optional uni-directional and bi-directional flow configurations.
Both soft and metal seats are available, with soft seat options including Teflon, RPTFE, and PTFE, while the metal-to-metal seat ensures durability. The seat is replaceable, providing flexibility for various applications.
The valve is self-compensating for wear and temperature changes, while the seat energizer is fully isolated by a PTFE envelope for enhanced performance.
Additionally, cavity design is minimized to prevent the ingress of particulates, ensuring reliable operation.
High Performance Butterfly Valve-Specifications and Materials
Manufacture: MSS SP-68, API 609
Fire Safe: API 607
Face to Face: MSS SP-68, API 609 B, ISO 5752 Short
Flange End: ANSI B 16.47
Leakage Test: MSS SP-61
Test: API 598
Double Offset Seating Design
Leakage of Soft Seated version is ZERO
Flange, Wafer and Wafer Lug end are available
Soft and Metal Seal are available
Body Materials: Carbon Steel ASTM A216 WCB, WCC, Low Temperature Carbon Steel ASTM A352 LCB, LCC, LC1, LC2; Alloy Steel Chrome Moly ASTM A217 WC6, C5, WC5, C12, C12A, WC9, 1.7335, 1.7380, 1.7362, 1.7386, 1.4903; Stainless Steel ASTM A351 CF3, CF8, CF3M, CF8M, A351 CF8C, 1.4301, 1.4306, 1.4401, 1.4404, 1.4550, 1.4438; Alloy 20, ASTM A351 CN7M, N08020, 1.4438; Duplex Steel 2205, ASTM A351 CD3MN, A890 2205, S31803, 1.4462; Super Duplex Stainless Steel ASTM A351 CD4MCu, A890 5A, S32750, 1.4501; Super Duplex F55, ASTM A995 CD3MWCuN, S32760
Disc Materials: ASTM A216 WCB, WCC, ASTM A352 LCB, ASTM A351 CF8M, CF3M, CF8, CF3, ASTM A890 4A, 5A, Alloy 20, Duplex Stainless Steel, Monel, Hastelloy Steel
Pressure Range: PN10, PN16, PN25, PN40, PN63, PN100, 150 LB, 300 LB, 600 LB, 900 LB (PN10-PN100, Class 150-900 LB)
Size Range: DN50-DN3200, 2 Inch - 128 Inch
Drive Mode: Manual/Worm gear/Electric/Pneumatic
Field of Application: Electric /Hydraulic/Municipal Engineering etc; Water/Sea water/Gas etc.
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