pilot Pressure Reducing Valve

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Location: China Zhejiang
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Product Detail

Product detail: 
Brief Introduction.
 
This reducing valve is the new type pilot extra-huge membrane  reducing valve developed by our company. It is greatly improved on basis of normal reducing valve. The membrane use new material, enlarging the working area, so the slight change of upper pressure or lower pressure can be fed back to membrane of main valve, and adjust the opening of main valve to ensure the constant pressure of lower stream pressure.
 
Field of Application.
 
Product Name: DP143-GVPR04 Pilot Operated Steam Pressure Reducing Valve 
Pressure Rating: 1.6- 4.0 Mpa.
Nominal Diameter: DN15-200 mm.
Body Material: Steel WCB.
Standard Flanges:DIN,ANSI,JIS.

Main Technical Parameters and Indexes oPerformance.
 

Nominal Pressure PN40
Maximum Design Pressure(PMA) 26 bar g
Maximum Design Temperature(TMA) 300 @ 26bar g
Minimum Design Temperature(TMI) 0
Maximum Upstream Pressure forSaturated Steam Service(PMO) 26 bar g
Maximum Operating Temperature(TMO) 300 @ 26bar g
Minimum Operating Temperature(TMIO) 0
Maximum Differential Pressure( PMX ) 26 bar
Down Stream Pressure Range 0.2-1.7 bar g, 16.0-24.0 bar g
Maximum Cold Hydraulic Test Pressure 60 bar g
 
Material of Main Component.
 
Name of Component Material of Component
Valve Body, Valve Cover WCB
Valve Seat 2Cr13
valve Flap 2Cr13
Valve Rod 2Cr13
Membrane Brass
Adjusting Spring 60Si2Mn
 
Main External Dimensions.
 
 Pilot Operated Pressure Reducing Valve (GADP143)
 
DN L H1 H D
15 147 221 133 185
20 154 224 136 185
25 160 235 145 207
32 180 236 156 207
40 200 238 176 255
50 230 246 183 255
65 250 295 200 320
80 310 323 230 350

 
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