Sampling valve, as its name implies, is a valve used to obtain media samples for chemical analysis. Generally, it is installed on equipment or pipelines and can be divided into the following types: double opening valve, flange clip valve, and samplin...
There are differences in appearance. PVC-C cable pipes are generally yellow and orange, while PVC-U drainage pipes are generally white. The two applications are different. PVC-U drainage pipes are generally used for drainage and sewage, while PVC-C i...
The self-operated pressure regulating valve is divided into three series: self-operated pressure, differential pressure and flow regulating valve. The self-operated pressure regulating valve is divided into two types according to the position of the ...
(1) Cut-off category: such as gate valve, globe valve, plug valve, ball valve, butterfly valve, needle valve, diaphragm valve, etc. Shut-off valves are also known as closed-circuit valves and shut-off valves, which are used to connect or cut off the...
Pneumatic butterfly valve is a commonly used valve in various projects. Each pneumatic butterfly valve produced by our Shanghai Zhongmei Valve will undergo pressure test before leaving the factory. Only qualified pneumatic butterfly valves will be ap...
PVC pipe fittings in the production process, caused by the material temperature is too low plasticizing poor, generally known as cold spots, the following is introduced on PVC pipe fittings cold spots eliminate. The elimination of cold spots, cold sp...