Demco Gate Valve - China Manufacturers, Suppliers, Factory

Demco Gate Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Sand casting of valves

Sand casting: Sand casting commonly used in the valve industry can also be divided into various types of sand such as wet sand, dry sand, water glass sand and furan resin no-bake sand according to ...
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...
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 ...
A small guide for daily maintenance of valves

Valves are not only widely used in various industries, but also use different environments, and some valves in harsh working environments are prone to problems. Since valves are important equipment...
Gate Valve

Gate valve is a kind of valve to control the fluid, it is widely used in the industry. The gate valve controls the flow of fluid by controlling the opening and closing of the valve. Gate valve acco...
Butterfly valves: Difference between Wafer and Lug

Wafer type + Lighter + Cheaper + Easy installation - Pipe flanges required - More difficult to centre - Not suitable as end valve In the case of a Wafer-style butterfly valve, the body is annular ...