Spirax Sarco DP27 Pilot Operated Steam Pressure Reducing Valve
Quantity : 1
DP27 pilot operated pressure reducing valve.
Pressure Rating: 1.6- 2.5Mpa
Specification: DN15-150
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.
Main Technical Parameters And Indexes Of Performance.
| Nominal Pressure | PN25 |
| Maximum Design Pressure(PMA) | 25bar g@120 |
| Maximum Design Temperature(TMA) | 232@21bar g |
| Minimum Design Temperature(TMI) | -10 |
| Maximum Upstream Pressure For Saturated Steam Service(PMO) | 17 bar g |
| Maximum Operating Temperature(TMO) | 232@21 bar g |
| Minimum Operating Temperature(TMIO) | 0 |
| Maximum Differential Pressure(PMX) | 17bar |
| Down Stream Pressure Range | 0.2-1.7 bar g |
| Maximum Cold Hydraulic Test Pressure | 38 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 |
Connection Dimension(mm).
| DN | L | H1 | H | D |
| 15 | 147 | 221 | 133 | 185 |
| 20 | 154 | 224 | 136 | 185 |
| 25 | 160 | 235 | 145 | 207 |
| 32 | <</td> |
Contact : Ellison Yue, 86 0577 57789960
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