Double Offset Butterfly Valve

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Flowlink Valves & Controls supplies high-performance double offset butterfly valves, designed for enhanced sealing and reduced wear in demanding applications. The double offset design minimizes friction between the disc and seat, ensuring a longer service life and reliable operation even in high-pressure and high-temperature systems. Ideal for industries such as oil and gas, water treatment, and power generation, our double offset butterfly valves provide superior performance and durability. Flowlink indents a comprehensive range of cast and forged double offset butterfly valves and are committed to providing valve solutions that meet the specific needs of our customers, ensuring efficiency and safety in every application.

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Technical Specification

Size Range 2” ~240” (DN50~DN6000)
Class Range 150Lb~2500Lb (PN10~PN420)
Design Standard API 609, ASME B16.34, API607, BS EN-593
End Connection RF/ RTJ – ASME B16.5 / B16.47; BW – ASME B16.25; Wafer
F – F Dimension ASME B16.10
Construction Concentric/Double/Triple Offset, Wafer/Lug/Double Flange, Soft/Metal Seat, Sleeved/Lined, Unidirectional/ Bidirectional Seal
Design Features Emergency Sealant Injection; Vent & Drain; Antistatic; Blowout Proof Stem; Fire Safe (As Per API 607)
Seat Seal Options EPDM, NBR, PTFE, Metal Seats, Viton
Temperature Limits -40°C to 200°C (EPDM), -30°C to 120°C (NBR), -40°C to 260°C (PTFE), -29°C to 538°C (Metal Seats)
Special NACE; Cryogenic; Extended Stem; Fugitive Emission
Inspections & Tests

API 598

BS EN 12266-1

Material Forged & Cast CS, LTCS, SS, AS and Special Steel, Cast Iron
Applications Oil & Gas, Chemicals, Waters, Power, Marine, Mining, etc.

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