Double Offset Butterfly Valve

Flowsar supplies bi-directional double offset butterfly valves with PTFE seats. The low friction and low operation torque both contributes to a longer life design. All the parts are replaceable and in-line maintenance is available. Flowsar double offset butterfly valves comply to API609 standard.

CHARACTERISTICS	SPECIFICATIONS
Size	2” up to 88“ (DN 50 up to DN 2200)
Pressure Rating	ASME 150# to 900#
Body Material	Carbon Steels, Low Temperature Carbon Steel, Martensitic Steels, Austenitic Stainless Steel, Duplex Stainless Steels, Super Duplex Stainless Steels, Nickel Alloys, Nickel Aluminum Bronze, Hastelloy, Inconnel, Titanium Alloy & Carbon Steel with Internal Corrosion Resistant Alloy (CRA) Overlay

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Category: Butterfly Valve Product ID: 1383

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CHARACTERISTICS	SPECIFICATIONS
Design Standard	API 609 MESC SPE 77 / 134, BS 5353 BSEN593, ANSI AWWA C504-94
Pressure / Temperature Rating	ASME B 16.34
Test (Inspection) Standard	API 598, API 6D, MESC 77/134, ISO 5208
Construction Details	Single / Two / Three Piece Design / Side Entry / Trunnion / Block & Bleed / Soft and Metal Seated
Operator / Actuator	Lever, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised) Butterfly Valves are available in four different types’ versions : Double Offset Triple Offset Centre Disc Extended Stem

Cryogenic Service

Almost all Butterfly Valve can be designed in a special version suitable for cryogenic service. In this case, all the materials and technical features are designed to withstand minimum design temperature required by the Customer. If required by the customer, specific Cryogenic Tests are performed to verify the behaviour of valves sealing capability, emissions vs the ambient.

Double Offset Butterfly Valve

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Cryogenic Service

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