water butterfly valve elephant wbv3434pf 2w fb h body material carbon steel disk material carbon steel seal ptfe gearbox ham rqn Ball Check Valve Dimensions hors tout et d'installation

Dimensions hors tout et d'installation du robinet-vanne Elephant GVKN1331N-2W-Fb-S

Sketch Butterfly valves Elephant WBV1331E-2W-F-H

plastic greases

mm 35 55 Couple de sortie

water butterfly valve elephant wbv3434pf 2w fb h body material carbon steel disk material carbon steel seal ptfe gearbox ham rqn Ball Check Valve Dimensions hors tout et d'installationButterfly valves are designed for use as shut off or regulating valves for controlling flows in heat supply systems, water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries. Operating principle: The valves are opened and closed by turning the disk by 90. Opening is performed by turning the handle counterclockwise, closing clockwise. The peculiarity of the gate valves of this series is the