Hand Wheel Wafer Butterfly Valve - China Manufacturers, Suppliers, Factory

Hand Wheel Wafer Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Four taboos for valve installation

1. Hydrstatic test at negative temperature during construction in winter. Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen. Measures: try to carry out hy...
What defects are prone to valve castings?

1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Valve Basic

A valve is a control device for a fluid line. Its basic function is to connect or cut off the circulation of the pipeline ring, change the flow direction of the medium, adjust the pressure and flow...
Six Reasons On Damage To The Sealing Surface of Valve

Due to the sealing element’s function of interrupting and connecting,regulating and distributing, separating and mixing media in the valvpassage, the sealing surface is often subject to corro...
Why Choose TWS Valve Backflow Preventer

Are you concerned about the safety and integrity of your plumbing system? Do you want to ensure your drinking water supply is free from contamination? Look no further than the TWS Valve Backflow Pr...
Cause analysis of common valve faults

(1) The valve does not operate. The fault phenomenon and its causes are as follows: 1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...