Japan, Yoshitake
YOSHITAKE GD-28S-NE Pressure Reducing Valve – Water
Made in Japan
Manufacturer: Yoshitake
Model: GD-28S-NE
- Maximum Inlet pressure 2.0MPa, applicable to high pressure equipment of high-rise building, factory, plant.
- Wetted parts are made of corrosion-resistant material (diaphragm/O ring is made of chlorinated EPDM), has excellent resistance to chlorine of tap water
- Can be installed in any piping direction, such as horizontal or vertical
- Closed construction could keep no external leakage even if diaphragm damaged.
- Water supply law standards conformity product(E-606)
Specifications
| Features | For water, stainless steel, Max. 2.0MPa, JWWA approved | |
|---|---|---|
| Type | Direct-acting type | |
| Specifications | Product type | Direct-acting type |
| Nominal size | 20A (3/4″) – 50A (2″) | |
| Application | Water | |
| End connection | JIS Rc screwed | |
| Inlet pressure | Max. 2 MPa | |
| Reduced pressure | 0.2 – 0.7 MPa (*) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 7 : 1 | |
| Working temperature | 5 – 90 degree(C) | |
| Material | Body | Stainless steel |
| Valve | FKM | |
| Valve Seat | Stainless steel | |
| Diaphragm | Chlorine resistant EPDM | |
Remarks
*Reduced pressure range
A:0.2-0.35MPa
B:0.3-0.7MPa
*Pressure gauge connection diameter is Rc1/4.
*Built-in strainer(40mesh)
*Max .pressure reduction ratio depends on the set pressure.
Dimensions and Weights
| Size | L(mm) | H(mm) | Weight(kg) | Cv value |
|---|---|---|---|---|
| 20A(3/4) | 135 | 170 | 2.3 | 2.3 |
| 25A(1) | 135 | 170 | 2.3 | 3.5 |
| 32A(1 1/4) | 180 | 224 | 4.9 | 6 |
| 40A(1 1/2) | 180 | 224 | 4.7 | 7 |
| 50A(2) | 200 | 239.5 | 6.7 | 11 |
Dimensional drawing
