Fushiman Co.
Fushiman P260 Pressure Reducing Valves – Contained Trap
Manufacturer: Fushiman Co.,LTD.
Model: P260
| Model | Nominal Diameter (mm) |
Primary Pressure |
Secondary Set Pressure Range |
Maximum Operating Temperature | Body Material | Connection |
|---|---|---|---|---|---|---|
| P260 (Built-in Trap) | 15〜80 | MAX. 1.0MPa | 0.03～0.8MPa | 220℃ | FC,FCD | Flange |
- The built-in trap quickly discharges steam condensate from the primary side of the pressure reducing valve.
- Eliminates the need for trap piping immediately before the pressure reducing valve.
- The trap uses a membrane, offering excellent pressure resistance and corrosion resistance, ensuring clear operation.
Specifications and Materials
| Fluid | Pressure MPa | Maximum Operating Temperature (°C) | Detection Method | Main Materials of the Pressure Reducing Valve | Trap Material | Pipe Connection | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Primary Side | Secondary Side Setting Range | Valve Body | Main Valve Body And Seat | Piston Cylinder | Membrane | Valve Seat | ||||
| Steam | 0.1-1.0 | 0.03-0.2 0.1-0.8 |
220 | Internal | Cast Iron (1) | Stainless Steel | Stainless Steel | Stainless Steel and Hastelloy | Stainless Steel | Flange JIS 10K Full Face |
Note (1): The valve body for nominal diameters 15 to 40 is made of ductile cast iron.
Performance
| Maximum Pressure Reduction Ratio | 20 : 1 |
|---|---|
| Minimum Set Differential Pressure | 10% of primary pressure (Minimum value 0.07MPa) |
| Offset | 0.03MPa or less |
| Shut-off Pressure Increase | 0.02MPa or less |
| Minimum Adjustable Flow Rate | 5% of the rated flow rate |
| Valve Seat Leakage Amount | 0.05% or less of the rated flow rate |
Dimensions・Cv Value・Mass
| Nominal Diameter | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | |
|---|---|---|---|---|---|---|---|---|---|
| Dimensions | L | 145 | 150 | 160 | 175 | 190 | 210 | 235 | 265 |
| H1 | 116 | 111 | 109 | 111 | 117 | 128 | 138 | 150 | |
| H2 | 171 | 176 | 178 | 188 | 198 | 212 | 231 | 248 | |
| K | 115 | 115 | 115 | 115 | 111 | 111 | 111 | 111 | |
| Cv Value | 1.1 | 2.5 | 4.5 | 7.0 | 10.1 | 18 | 28.1 | 40.5 | |
| Mass (kg) | 8.5 | 9 | 10.5 | 12.5 | 14.5 | 19 | 27 | 33 | |
Note: For nominal diameter selection.
Structure
Trap Discharge Volume
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