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Temperature reducing and pressure reducing device
形 式 |
减温减压阀组 |
公称通径 |
DN15~DN450 (1/2~18) |
公称压力 |
PN10, 16,25,40,50, 64,100, 110, 150, 250, 320, 420 ANSI Class 150,300,600, 900, 1500, 2000, 2500 |
阀体及阀盖材质 |
WCB,CF8,CF8M,CF3,CF3M,WC1,WC6,WC9,LCB,LCC,LC3,哈氏C等 |
内件材质 |
304、304+Stellite、316L、316L+Stellite、2205、哈氏C等 |
Form style |
Desuperheating and Pressure Reducing Valve Group |
Nominal diameter |
DN15~DN450 (1/2~18) |
Nominal pressure |
PN10, 16,25,40,50, 64,100, 110, 150, 250, 320, 420 ANSI Class 150,300,600, 900, 1500, 2000, 2500 |
Valve and bonnet material |
WCB,CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, LCB, LCC , LC3, Hastelloy C, etc. |
Internal material |
304,304+Stellite,316L, 316L+Stellite ,2205,ha C, etc. |
Fill Material |
V-type PTFE; flexible graphite; bellows |
Traffic Features |
equal percentage, linear, quick open |
Leakage |
Hard Seal: IV, V Soft Seal: Level VI |
Connection method |
Flange type (RF, MFM, RJ) Weld type (SW, BW) |
bonnet type |
Standard type, coolingType,Corrugated pipe seal type, low temperaturetype
|
Spool type |
Single seat, sleeve, double seat |
- The desuperheating and pressure reducing valve group is installed in the system in combination with other valves or pipes, and usually has two types of decompression and two decompression.
- Dual decompression is only used in working conditions. The system is not allowed to malfunction. It usually works all the way, and all the way is closed. As long as the flow is sufficient, it is not necessary to open the two decompression at the same time to avoid the valve opening too small. Oscillation and noise affect valve life.