Gear Open Butterfly Valves

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A gearbox mounted on wafer, lug, or double flange body. Turning the handwheel rotates the disc to open or close the flow path. A quarter-turn butterfly valve for on-off and throttling services where manual torque requires mechanical assistance. Large diameters, elevated pressures, or frequent cycling.

Try holding a butterfly disc at a partial opening while flow pushes against it – the lever wants to swing back, the position drifts. A gearbox holds it exactly where you set it.  Worm gear self-locking means the disc stays at the chosen angle, no matter the line pressure. Consistent throttling, stable flow control, no continuous adjustment required.

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Specification

Size: 2″-60″
Pressure: 150LB-2500LB
Body Material: WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, CN7M, LC1, LC2, LC3, LCB, LCC, Monel, 20# Alloys, 4A, 5A, C95800, C95500, A105, F304, F304L, F316, F316L, LF1, LF2, LF3, LF9, F51, F53, F11, F22, etc.
Seal Material: PTFE, NBR, METAL SEAT
Connection Type: Flanged, Wafer, Lug
Operation: Gear operated
Face to Face Dimension: ASME B16.10
Flange End Dimension: ASME B16.5
Butt Welded Dimension: ASME B16.25
Design and Manufacture: API 609
Test Standard: API 598, API 607, API 6FA, ISO 15848-1-2

 

Features

Available with wafer type, lug type, and double flange ends. api 6d ball valve

With the advantage of simple construction and compactness, small volume and small installation space.

Available with soft-seal seat and metal to metal seat. forged ball valve

The flow direction of the medium in the pipeline is not restricted.

Available for valve type: concentric, high-performance, double eccentric, triple offset. carbon steel gate valves

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