manual valve actuator / rotary / double worm / double-acting
double worm, double-acting
Worm & Bevel Gear Operators Manufacturing valve operator has a manual multi-turn actuator. This valve is commonly used with a butterfly valve, check valve, gate valve, plug valve, ball valve, and more.
Body materials include A148, D2, HT200, WCB, etc. The flange series includes a big dia pipe steel flange, welding neck flange, concave and convex butt-welding flange API flange with manual welding, etc.