china backflow preventer - Factory, Suppliers, Manufacturers from China

china backflow preventer, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Multipurpose Butterfly Valves- Understanding Their Functions and Applications

Introduction From facilitating smooth flow control in various industries to applications in residential plumbing systems, butterfly valves have become an essential part of a variety of processes. T...
TWS Valve make the DN2400 Eccentric Butterfly Valves for our clients!

Nowadays we received an order for the DN2400 Eccenctric Butterfly Valves, Now the valves are finished. The Eccentric butterfly valves are with the Rotork Worm Gear,The valves are now finished assmb...
Butterfly valve installation precautions

1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline. 2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
Inspection items for dual plate type check valves

Inspection items, technical requriements and inspection methods for wafer dual plate check valves