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OpTE™ Triple Eccentric Butterfly Valve

The OpTE Triple Eccentric, or Triple Offset, Butterfly Valve is a robust isolation valve providing absolute zero leakage. Originally designed for steam isolation applications ranging from vacuum to high-pressure, the OpTE is now commonly used in liquid as well as gaseous services. The triple offset disc design is torque-seated and inherently fire-safe. Trimteck specializes in modifications of this design to handle extreme temperatures.

    • Metal & Soft Seating Available
    • API 598 Fire Safe
    • API 609 Anti-Blowout Stem
    • Splined Shaft for zero lost motion

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Butterfly Valve

Control Valve Type Butterfly
Sizes (NPS) 2″, 3″, 4″, 6″, 8″, 10″, 12″, 14″, 16″, 18″, 20″, 24″, 28″, 32″, 36″, 40″, 42″, 46″, 48″, 52″, 56″, 60″, 64″
Body Materials Carbon Steel, Stainless Steel
Body Styles Long Pattern, Short Pattern, Vacuum Jacketed, Steam Jacketed
Motion Rotary
Disc & Shaft Materials 17-4 pH, 440 Stainless Steel, CF8M Stainless Steel, Nitronic, WCB Carbon Steel
Seat Materials Graphite, Inconel, Kel-F, PEEK, PTFE, Stainless Steel
Pressure Class (ASME/ANSI) CL150, CL300, CL600, CL900, CL1500
Shutoff Class (ANSI) Class VI, API Fire Safe
End Connections RF Integral Flange, Wafer/Flangeless, Lug
Service General
Operating Temperature Standard, High, Cryogenic
Flow Characteristic Modified Parabolic
Industries Aerospace & Defense, Chemical/Petrochemical, Food & Beverage, Metals & Mining, Oil & Gas, Power, Pulp & Paper, Refining
Standards & Norms ANSI/ISA, API 598, API 609, ASME, NACE



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