Hawle Butterfly Valve - Factory, Suppliers, Manufacturers from China

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

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 ...
Introduction of common valves

There are many types and complex types of valves, mainly including gate valves, globe valves, throttle valves, butterfly valves, plug valves, ball valves, electric valves, diaphragm valves, check v...
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 ...
Valve painting identifies the limitations of valves

Valve painting identifies the limitations of valves Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd) Tianjin，CHINA 3rd，July，2023 Web: www.tws-valve.com Painting to identify valves...
The relationship between the specifications of DN, Φ and inch.

What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10&#...
Common fault handling method of pneumatic valve

1 Treatment method for increasing pneumatic valve leakage If the case of the valve spool is worn to reduce the leakage of the valve, it is necessary to clean and remove the foreign body; if the pre...