China Check Valve and Backflow Preventer Valve - Factory, Suppliers, Manufacturers from China

China Check Valve and Backflow Preventer Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Selection method of globe valve---TWS Valve

Globe valves are widely used and have many types. The main types are bellows globe valves, flange globe valves, internal thread globe valves, stainless steel globe valves, DC globe valves, needle g...
Many steps in the assembly process

Many steps in the assembly process Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd) Tianjin，CHINA 10th，July，2023 First of all, the first step is that the valve shaft should be paire...
Difference Between Wafer and Lug Type Butterfly Valve

A butterfly valve is a type of quarter-turn valve that controls the flow of a product in a pipeline. Butterfly valves are usually grouped into two types: lug-style and wafer-style. These me...
How does the air release valve work?

Air release valves are used in pipeline air of independent heating systems, central heating systems, heating boilers, central air release conditioning, floor heating and solar heating systems. &nbs...
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...
Precautions for installing and using butterfly valves

Butterfly valves are mainly used for the adjustment and switch control of various types of pipelines. They can cut off and throttle in pipelines. In addition, butterfly valves have the advantages o...