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He-yi industrial zone ,oubei, wenzhou, zhejiang, China
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Spirax Sarco DP27 Pilot Operated Steam Pressure Reducing Valve
Model: DP27
Category: Automatic/Industrial Machines & Equipments / Industrial Machines / Valves
Specifications
DP27 Pilot Operated Pressure Reducing Valve
DP17/DP27/DP143 Type PRV are all Pilot Operated Diaphragm Type Pressure Reducing Valve, similar to Spirax Sarco Design.
DP27 pilot operated pressure reducing valve
Pressure Rating: 1.6- 2.5Mpa
Specification: DN15-50
Material: Steel WCB
Standard flanges: DIN, ANSI, JIS
DP27 Pilot operated pressure reducing valve is the new type pilot extra-huge membrane pressure reducing valve developed by our company. It is greatly improved on basis of normal pressure 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.
Note: A variable rate conical pressure adjustment spring is fitted providing a down stream pressure range of 0.2-17bar g.
DP27 Pilot Operated Pressure Reducing Valve's main technical parameters and indexes of performance
Nominal pressure |
PN25 |
Maximun design pressure(PMA) |
25bar g @ 120 |
Maximun design temperature(TMA) |
232 @ 21bar g |
Minimun design temperature(TMI) |
-10 |
Maximun upstream pressure for saturated steam service(PMO) |
17barg |
Maximun operating temperature(TMO) |
232 @ 21bar g |
Minimun operating temperature(TMIO) |
0 |
Maximun differential pressure( PMX ) |
17bar |
Down stream pressure range |
0.2-1.7bar g |
Maximum cold hydraulic test pressure |
38bar g |
DP27 Pressure Reducing Valve 's 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 |
DP27 Pressure Regulator 's connecting dimension
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 |
100 |
350 |
340 |
263 |
380 |
125 |
400 |
359 |
306 |
455 |
150 |
450 |
375 |
330 |
500 |
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