Principle Backflow Preventer - China Factory, Suppliers, Manufacturers

Principle Backflow Preventer, , , ,. 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...
Why use butterfly valve instead of ball valve?

Valves are an integral part of many industries, from drinking water and wastewater treatment to oil and gas, chemical processing, and more. They control the flow of liquids, gases and slurries with...
Which type of butterfly valve to be specified (Wafer,Lug or Double-flanged)?

Butterfly valves have been used extensively for several years in many projects all over the world and proved its capability in performing its function because they are less expensive and easy to in...
Overview of soft seal gate valve

Soft seal gate valve, also known as elastic seat gate valve, is a manual valve used to connect pipeline media and switches in water conservancy engineering. The structure of the soft seal gate valv...
How to repair the damaged valve stem?

① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth or...
Characteristics and Principle of balance Valves

Balance valve is a special function of the valve, it has a good flow characteristics, valve opening degree indication, opening degree locking device and for flow determination of the pressure measu...