Japan, Yoshitake
YOSHITAKE GD-27BP Pressure Reducing Valve – Water
Made in Japan
Manufacturer: Yoshitake
Model: GD-27BP
1. Combination of pressure reducing function, by-pass function and stop function that provide saving cost and space.
2. Enable for a wide range of pressure control in a water supply system.
3. Wetted parts are made of corrosion-resistant material to prevent rusty water.
4. Pressure balance structure can keep the reduced pressure at a constant level without being effected by inlet pressure.
5. Maintenance and inspection can be conducted easily by disassembling the upper side only.
Specifications
| Features | For water, JWWA approval, with by-pass function | |
|---|---|---|
| Type | Direct-acting type | |
| Specifications | Product type | Direct-acting type |
| Nominal size | 20A (3/4″) – 100A (4″) | |
| Application | Water | |
| End connection | JIS 10K FF flanged | |
| Inlet pressure | Max. 1 MPa | |
| Reduced pressure | 0.05 – 0.7 MPa (*) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 10 : 1 | |
| Working temperature | 5 – 90 degree(C) | |
| Material | Body | Bronze |
| Valve | FKM | |
| Valve seat | Bronze | |
| Diaphragm | Chlorine resistant EPDM | |
| O ring | Chlorine resistant EPDM | |
Remarks
* (A)0.05-0.35 MPa (B)0.3-0.7 MPa
*Pressure gauge connection port is JIS Rc 1/4.
*Available with pressure gauge.
*Pressure reducing function is set when shipeed from our factory.
Dimensions (mm) and Weights (kg)
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 20A(3/4) | 200 | 198 | 6 | 2.3 |
| 25A(1) | 200 | 198 | 7 | 3.5 |
| 32A(1-1/4) | 245 | 249 | 11 | 6 |
| 40A(1-1/2) | 245 | 249 | 12 | 7 |
| 50A(2) | 260 | 278 | 16 | 11 |
| 65A(2-1/2) | 328 | 356 | 30 | 21 |
| 80A(3) | 402 | 386 | 38 | 26 |
| 100A(4) | 470 | 462 | 58 | 38 |
About flow rate
Selection data：
Dimensional drawing
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