| Customization: | Available |
|---|---|
| Media: | Steam |
| Certification: | RoHS, ISO, CE |
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Diaphragm Type Flanged/Threaded Pilot Operated Steam Pressure Reducing Valve (DP17/DP143)
DP17/DP143 THREADED/FLANGED PILOT DIAPHRAGM TYPE STEAM PRESSURE REDUCING VALVE is the new type pilot diaphragm 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.
DP17/DP143 THREADED/FLANGED PILOT DIAPHRAGM TYPE STEAM PRESSURE REDUCING VALVE
Pressure Rating: 1.6- 4.0 Mpa
Specification: DN15-100
Material: WCB/GS-C25, CF8, CF8M, CF3, CF3M
Standard flanges: DIN, ANSI, JIS
DP17/DP143 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
|
| |
|
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
|
DP17/DP143 THREADED/FLANGED PILOT DIAPHRAGM TYPE STEAM PRESSURE REDUCING VALVE's Main Technical Specifications:
|
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
|
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