Di Manual Butterfly Valve - Factory, Suppliers, Manufacturers from China

Di Manual Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

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 ...
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 ...
The classification and working principle of the butterfly valve

There are many kinds of butterfly valves, and there are many classification methods. 1. Classification by structural form (1) concentric butterfly valve; (2) single-eccentric butterfly valve; (3) d...
What is the purpose of a gate valve?

Soft seal gate valve is a valve widely used in water supply and drainage, industry, construction and other fields, mainly used to control the flow and on-off of the medium. The following points nee...
2019 PCVEXPO Exhibtion in Russia

TWS Valve will attend the 2019 PCVEXPO Exhibtion in Russia The 19th International Exhibition PCVExpo / Pumps, Compressors, Valves, Actuators and Engines Date: 27 – 29 October 2020 • Moscow, ...
Flow rate gauges commonly used for various media

The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the valve to the medium, and at the same time have a c...