1) It is a kind of pilot operated pressure reducing valve;
2) Especially be suitable for steam, and for water also;
3) Max. inlet pressure: 16 bar, 25 bar
4) Outlet pressure (Springs Pressure setting range):
Yellow: 0.2 to 3 Bar
Blue: 2.5 to 7 bar
Red: 6 to 12 bar
5) Diameter: 15 - 200mm
6) Medium temperature: 0 ~ 285°C
7) Max. inlet to outlet pressure: 20:1
8) Body material: cast steel (WCB)
Item |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
Parts |
Material |
Resistance pressure (MPa) |
2.5 |
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Shell test pressure (MPa) |
3.75 |
Body |
WCB |
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Seal test pressure (MPa) |
2.5 |
Cover |
WCB |
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Max. inlet pressrure (MPa) |
1.6 2.5 4.0 6.4 |
Seat |
2Cr13 |
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Outlet pressure range (MPa) |
0.02~0.3 0.25~0.7 0.6~1.7 |
Valve clack |
2Cr13 |
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Pressure characteristics derivation (MPa) |
GB 12244 |
Pole |
2Cr13 |
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Flow characteristics derivation (MPa) |
GB 12244 |
Diaphragm |
1Cr18Ni9Ti |
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Leakage (ml/min) |
GB 12245 |
Adjusting spring |
60Si2Mn |
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Medium temp. (°C) |
-10~285 |
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Kv. |
2.8 |
5.5 |
8.1 |
12 |
17 |
28 |
45.5 |
60.1 |
93.3 |
146 |
180 |
300 |
9) As per Germany (DIN) , ANSI, GB standards manufactured; Flanged hole as per PN-25.