Fushiman Co.
Fushiman PHP50 Pressure Reducing Valves (High-Pressure Gas Equipment Certified Product)
Manufacturer: Fushiman Co.,LTD.
Model: PHP50
| Model | Nominal Diameter | Primary Pressure | Secondary Pressure Range | Maximum Operating Temperature | Body Material | Connection |
|---|---|---|---|---|---|---|
| PHP50 | 25〜50 | MAX. 4.0MPa | 0.2～2.5MPa | 80℃ | SUS | Flange |
New Product
- High-capacity pressure reducing valve for high-pressure applications.
- Handles high differential pressure and large flow fluctuations.
- The valve is not damaged even if primary pressure is applied to the secondary side.
Specifications and Materials
| Fluid | Pressure MPa | Temperature ℃ | Main Component Materials | Pipe Connection | |||||
|---|---|---|---|---|---|---|---|---|---|
| Primary Side(2) | Secondary Side Setting Range | Valve Box | Spring Protection Tube | Main Valve Body | Piston | Diaphragm | |||
| Air, Nitrogen | 0.3 – 3.7 | 0.2 – 0.5, 0.5 – 1.6, 1.6 – 2.5 | 0 – 80(1) | Stainless Steel | Stainless Steel | Stainless Steel / Valve Contact Surface with Synthetic Rubber Coating (1)(2) | Stainless Steel | Stainless Steel | Flange JIS 30K Flat Face |
| 0.3 – 4.0 | Flange JIS 40K Flat Face | ||||||||
Notes:
- Valves with Teflon coating are also available (Temperature range: 0 to 200°C).
- If the primary pressure exceeds 3 MPa or the calculated Cv value exceeds 4.5, the valve body will be Teflon-coated.
Remarks:
- The above specifications and materials represent standard values. We will consider individual adjustments based on your usage conditions.
- We also manufacture JIS 20K and ASME Class 300 versions.
Performance
| Maximum Pressure Reduction Ratio | 20:1 | ||
|---|---|---|---|
| Minimum Differential Pressure Setting | 0.2 MPa | ||
| Offset | Set Pressure | 0.5 MPa or Less | 0.08 MPa or Less |
| Above 0.5 MPa | 10% or Less of Maximum Set Pressure | ||
| Shut-off Pressure Rise | Set Pressure | 0.5 MPa or Less | 0.2 MPa or Less |
| Above 0.5 MPa | 15% or Less of Maximum Set Pressure | ||
| Minimum Adjustable Flow Rate | 5% of Rated Flow | ||
| Valve Seat Leakage | Main Valve Body | With Synthetic Rubber Coating | 0.2% or Less of Rated Flow |
| With Teflon Coating | 0.5% or Less of Rated Flow | ||
CV Value
| Nominal Diameter | 25 | 40 | 50 |
|---|---|---|---|
| CV | 4.5 | 12 | 12 |
Structure and Dimensions
Dimensions and Mass
(mm, kg)
| Nominal Diameter | 25 | 40 | 50 | |
|---|---|---|---|---|
| L | JIS20K | 190 | 190 | 190 |
| JIS40K 30K | 204 | 216 | 220 | |
| H1 | 78 | 85 | 85 | |
| H2 | 183 | 176 | 176 | |
| Mass(JIS40K) | 16 | 20 | 21 | |
