Fushiman Co.
Fushiman P260 Pressure Reducing Valves
Manufacturer: Fushiman Co.,LTD.
Model: P260
| Model | Nominal Diameter | Primary Pressure | Secondary Pressure Range | Maximum Operating Temperature | Body Material | Connection |
|---|---|---|---|---|---|---|
| P260 | 15〜150 | MAX. 2.0MPa | 0.03～1.6MPa | 80℃ | SCPH | Flange |
- Nominal diameter: 15 ~ 150, wide range.
- Stable operation is ensured even under high and low-pressure conditions.
- If the flow is small, please use PPD41B-3 type pressure gauge (for nominal diameter 15 ~ 25).
- If the primary pressure is 1.0 MPa or lower, please use PMD31 type pressure gauge.
Specifications and materials
| Fluid | Pressure MPa | Tempera-ture °C | Detec-tion Method | Main Material Parts | Pipe Connec-tion | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pri-mary Side | Secon-dary Side Setting Range | Box Valve | Main Valve Body Main Seat | Piston Cylinder | Pilot Valve Body Pilot Valve Seat | Diaph-ragm | Throttle Valve Body | ||||
| Other Non-corro-sive Fluids | 0.2~2.0 | 0.03~0.2 0.1~0.8 0.5~1.6 | 0 80 | Internal or External | Cast Steel | Synthetic Rubber and Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Flange JIS20K Flat Seat |
- Note (1): This is an option.
- Remarks:
- Also available for a maximum operating temperature of 220°C.
- ASME flange products are also manufactured.
- Nominal diameter 200 (main body, main seat: stainless steel) is also available.
Performance
| Maximum Pressure Reduction Ratio | 20 :1 |
|---|---|
| Minimum Setting Differential Pressure | 15% of the primary side pressure (minimum value 1 MPa) |
| Offset (2) | Less than 10% of the maximum setting pressure (minimum value 0.07 MPa) |
| Shut-off Pressure Rise | Less than 10% of the maximum setting pressure (minimum value 0.1 MPa) |
| Minimum Adjustable Flow Rate | 5% of the rated flow |
| Seat Leakage Amount | Less than 0.2% of the rated flow |
Note (2): The adjustment degree of the piston for pressure regulation may vary.
Structure and Dimensions
Dimensions and Mass
(mm, kg)
| Dimensions and Nominal Diameter | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 186 | 190 | 190 | 210 | 216 | 232 | 256 | 278 | 330 | 370 | 410 |
| H1 | 77 | 77 | 75 | 77 | 85 | 95 | 110 | 124 | 151 | 175 | 207 |
| H2 | 177 | 177 | 179 | 189 | 199 | 213 | 232 | 249 | 305 | 337 | 367 |
| K | 115 | 115 | 115 | 115 | 111 | 111 | 111 | 111 | 162 | 162 | 162 |
| Mass | 10 | 11 | 13 | 14 | 17 | 22 | 30 | 39 | 60 | 92 | 131 |
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