4 butterfly valve pvc online, High Quality Plastic Lug Butterfly Valve PVC Wafer Type Handle Butterfly Valve Lever UPVC Worm Gear Butterfly Valve PVC Flange Butterfly Valve 10K JIS Standard online ...

Valworx PVC Butterfly Valves are available for immediate sale and shipment, in sizes ranging from 2 to 12 inches. PVC Butterfly valves are available for electrical, pneumatic, or manual bare stem ...

[Fab] went with a simple butterfly valve design, similar to the throttle valve in most gasoline-powered cars. The butterfly vane rotates to vary the flow, turned by a small SG90 servo.