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Valve inspection and installation
20-10-2021
Inspection before valve installation: ① Carefully check whether the valve model and specifications meet the requirements of the drawings. ② Check whether the valve stem and valve clapper open flexibly, and whether there...
What is a sight glass？
12-10-2021
The working principle of valve sight glass and related knowledge The installation size is small, the driving torque is small, the operation is simple and fast, and it also has good flow adjustment function and closing an...
What are the butterfly valve classifications？
09-10-2021
Butterfly valves can be divided into offset plate type, vertical plate type, inclined plate type and lever type according to the structure. According to the sealing form, it is divided into two types: relatively sealed t...
What is PVDF？
22-09-2021
PVDF is polyvinylidene fluoride, and its appearance is translucent or white powder or granules. Polyvinylidene fluoride mainly refers to the homopolymer of vinylidene fluoride or the copolymer of vinylidene fluoride and...
What is flange gasket？
22-09-2021
IntroductionFlange gaskets are used in pipe flange connections. They are the seals between two flanges. The medium, pressure and temperature directly affect the selection of flange gaskets. ClassificationNon-metallic gas...
What is the general way to connect UPVC pipes?
14-09-2021
The connection methods of UPVC pipe include socket rubber ring connection, adhesive connection and flange connection. Sometimes the connection also needs pipe fittings, but the method is nothing more than the above two....

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