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News Details |
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Valve type and classification
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Today, the valve type is constantly increasing the classification of the valve is also increasing, in order to better understand the valve products, special valve classification, common valve types are mainly throttle cut off valve, valve, throttle valve, filter valve, pressure relief valve, special valve, etc.. Valve type is based on actual conditions of the actual situation of the classification, part of the manufacturers to select and special circumstances of the use of different uses and functions of the principle is different.
Classification by application:
Cut off valve: ball valve, gate valve, globe valve, plug valve, diaphragm valve;
Check valve: valve, duckbill valve, pipe clamp valve, Dan Xiangfa;
Throttle valve: regulating valve, throttle valve, butterfly valve;
Filter valve;
On-off valve: four valve, three-way valve, multi valve, drain valve;
Pressure valve: safety valve, pressure reducing valve, pressure relief valve;
Special valve, vent valve, drain valve: valve for pig;
Classified by pressure:
Vacuum valve: the valve of air pressure;
Low pressure valve: PN0.1-1.6mpa;
Medium pressure valve: PN2.5-6.4mpa;
High pressure valve: PN10-80mpa;
Ultra high pressure valve: more than PN100mpa;
Temperature classification:
Temperature valve: -29 -180;
Medium temperature valve: 200 -425;
High temperature valve: 450 -580;
Ultra high temperature valve: more than 600 DEG c;
Cryogenic valve: -30 -90;
Ultra low temperature valve: C = -100;
By caliber classification:
Micro valve: DN1-10mm;
Small caliber valve: DN15-40mm;
Common valve: DN50-300mm;
Medium caliber valve: DN350-500mm;
Large diameter valve: DN600-1200mm;
Large diameter valve: more than 1500mm; |
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