Japan, Yoshitake
YOSHITAKE GD-20 Pressure Reducing Valve – Water · Oil · Air
Made in Japan
Manufacturer: Yoshitake
Model: GD-20
- Stable reduced pressure against fluctuation of inlet pressure because of pressure balance mechanism
- Wetted parts stainless steel or All stainless steel
Specifications
| Features | For liquid and air, stainless steel | |
|---|---|---|
| Type | Direct-acting type | |
| Specifications | Product type | Direct-acting type |
| Nominal size | 15A (1/2″) – 100A (4″) | |
| Application | Water, oil (kerosene, heavy oil A and B), air, other non-dangerous fluids | |
| End connection | JIS 10K FF flanged | |
| Inlet pressure | Max. 1 MPa | |
| Reduced pressure | 0.05 – 0.7 MPa (*) | |
| Max. temperature | 80 degree(C) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 10 : 1 | |
| Working temperature | 5 – 80 degree(C) | |
| Material | Body | Stainless steel |
| Valve | NBR | |
| Valve seat | Stainless steel | |
| Diaphragm | NBR | |
Wetted parts stainless steel
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 15A(1/2) | 145 | 310 | 9.8 | 2.5 |
| 20A(3/4) | 150 | 310 | 9.8 | 4 |
| 25A(1) | 150 | 333 | 12.0 | 5 |
| 32A(1-1/4) | 195 | 397 | 20.7 | 8 |
| 40A(1-1/2) | 195 | 397 | 20.7 | 12 |
| 50A(2) | 195 | 415 | 23.0 | 16 |
| 65A(2-1/2) | 270 | 555 | 48.0 | 28 |
| 80A(3) | 270 | 582 | 52.4 | 36 |
| 100A(4) | 308 | 645 | 84.0 | 68 |
About flow rate
Selection data：
Dimensional drawing
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