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OpDX™ High Performance Butterfly Valve

The OpDX High Performance Butterfly Valve uses a pressure-assisted seating concept to achieve bi-directional bubble-tight shutoff while maintaining a low breakout torque requirement. Available in ANSI Class 150 to 600 and 2” to 36”, the OpDX has a characterized disc enabling throttling.

    • Metal & Soft Seating Available
    • Available in metal (ANSI Class IV) or soft seat (ANSI Class VI)
    • Eccentric disc lifts off of the seat to prevent wear
    • Accurate throttling achieved with modified parabolic geometry machined into the seat
    • Rugged and lightweight flangeless wafer body
    • MSS SP-67 face-to-face permits shorter flange bolting than ball or eccentric plug valves, increasing safety and reducing possibility of leakage

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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″
Body Materials Carbon Steel, Stainless Steel
Motion Rotary
Disc & Shaft Materials 17-4 pH, 440 Stainless Steel, CF8M Stainless Steel + Hard Chrome, Nitronic
Seat Materials Inconel, Kel-F, PEEK, PTFE, Stainless Steel
Pressure Class (ASME/ANSI) CL150, CL300, CL600
Shutoff Class (ANSI) Class VI
End Connections Wafer/Flangeless
Service General
Operating Temperature Standard
Flow Characteristic Modified Parabolic
Industries Aerospace & Defense, Chemical/Petrochemical, Food & Beverage, Metals & Mining, Oil & Gas, Power, Pulp & Paper, Refining
Standards & Norms ANSI/ISA, ASME, NACE


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