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What are the classification of flange pipe fittings?
04-11-2021
1. Divided by material:Carbon steel: ASTM/ASME A234 WPB, WPCAlloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoVStainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304NASTM/ASME A403 W...
What are the types of pipe fittings?
25-10-2021
1. ConnectorsRigid joint, flexible joint, flexible joint, inner wire joint, outer wire joint, inner and outer wire joint, single-wire joint, double-wire joint, threaded joint, flat surface Fittings, pipe table joints, co...
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...

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