Worm gear double-disc butterfly valve
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Worm gear double-disc butterfly valve
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Product Introduction
A double-flanged butterfly valve using worm gear transmission, suitable for pipeline systems requiring manual adjustment or partial automation. It features a compact structure, easy operation, and precise flow regulation and position locking via the worm gear head.
1. Structure and Composition
The worm gear double-flanged butterfly valve mainly consists of the following components:
(1) Valve Body
Valve Body (Wafer Type): Flangeless, clamped between pipe flanges using bolts, lightweight, and space-saving.
Valve Disc: Circular or elliptical, rotatable 90° (fully open ↔ fully closed), typically made of cast iron, cast steel, stainless steel, or lined with plastic (such as PTFE).
Valve Seat: Soft seal (EPDM, NBR, PTFE) or metal seal (stainless steel), ensuring sealing performance.
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