Worm Gear Butterfly Valves means that the Butterfly valve is equipped with gearbox, Turned on and off through the forward and reverse rotation of the handwheel.

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JIS 10K butterfly valve Wafer

High temperature butterfly valve Flange&wafer

PN25/PN16 metal seated Butterfly valve DIN EN 593-Flange

hard metal seated butterfly valve Flange

Triple Offset butterfly valve double flange

Double Flange Vacuum Butterfly Valve Triple Offset

Gear Operated Cryogenic Butterfly Valve Flange Triple Offset

Welded Butterfly Valve Metal Hard Seal Worm Gear Operated

Triple Offset JIS 20K double flange butterfly valve

JIS 20K Triple Offset Wafer butterfly valve-metal seated

ANSI double flange butterfly valve metal seated-Triple Offset

Gear Operated lug type butterfly valve-Worm Gear Switch

Triple Offset Lug Type Butterfly Valve Gear Operated/Stainless Steel

FEPchina lined wafer butterfly valve/Gear Operated/handle

Stainless steel Lug type Butterfly Valve-handle/Gear Operated

high performance wafer butterfly valve worm gear box operated

ASIAV Worm Gear Butterfly Valves Series