Fushiman Co.
Fushiman PHP30 Pressure Reducing Valves For High Pressure And High Temperature Steam

Manufacturer: Fushiman Co.,LTD.
Model: PHP30
Model | Nominal Diameter |
Primary Pressure | Secondary Set Pressure Range | Maximum Operating Temperature | Body Material | Connection |
---|---|---|---|---|---|---|
PHP30 | 25〜100 | MAX. 4.0MPa | 0.1~2.5MPa | 370℃ | SCPH | Flange |
- High-capacity, high-temperature, high-pressure steam pressure reducing valve.
- Handles high differential pressure and large flow rate fluctuations.
- The valve does not get damaged even if primary-side pressure is applied to the secondary side.
- Certified for gaseous and high-pressure gas equipment (Valve body: Stainless steel).
Specifications and Materials
Fluid | Pressure (MPa) | Temperature (°C) | Main Component Materials | Pipe Connection | |||||
---|---|---|---|---|---|---|---|---|---|
Primary Side | Secondary Side Setting Range | Valve Body | Spring Cover | Main Valve | Piston | Diaphragm | |||
Steam | 0.3-3.7 | 0.1-0.5 0.3-1.0 0.8-2.5 |
Saturation ~ 300°C (370°C) (¹) | Cast Steel (Valve Seat Area Stellite Welded) | Spheroidal Graphite Cast Iron | Special Stainless Steel | Stainless Steel | Stainless Steel | Flange JIS 30K Flat Seat |
0..3-4.0 | Flange JIS 40K Flat Seat |
Note (1)
For 300°C use, the material of the spring and gasket in the air-contacting parts differs.
Remark
ASME Class 300 and 600 versions are also available for manufacturing.
Performance
Pressure Reduction Ratio | Refer to the setting range diagram |
---|---|
Minimum Set Differential Pressure | 0.2MPa |
Offset | Within 10% of set pressure (Minimum value: 0.04MPa) |
Minimum Adjustable Flow | 5% of rated flow |
Valve Seat Leakage | 0.2% or less of rated flow |
Cv Value
Nominal Diameter | 25 | 40 | 50 | 65 | 80 | 100 |
---|---|---|---|---|---|---|
CV | 5 | 12 | 19 | 28 | 44 | 76 |
Structure and Dimensions
Dimensions and Mass
(mm, kg)
Nominal Diameter | 25 | 40 | 50 | 65 | 80 | 100 | |
---|---|---|---|---|---|---|---|
L | JIS30K | 260 | 280 | 320 | 360 | 370 | 372 |
JIS40K | 380 | ||||||
H1 | 99 | 107 | 120 | 137 | 161 | 192 | |
H2 | 340 | 348 | 370 | 384 | 417 | 430 | |
Mass | 30 | 38 | 46 | 73 | 130 | 150 |
Disassembly / Space Required for Maintenance
(mm)
Nominal Diameter | 25 | 40 | 50 | 65 | 80 | 100 |
---|---|---|---|---|---|---|
Upward from the piping center | 430 | 450 | 470 | 490 | 520 | 530 |
Downward from the piping center | 270 | 290 | 330 | 380 | 430 | 520 |