Japan, Yoshitake
YOSHITAKE GD-7 Pressure Reducing Valve – Water · Oil
Made in Japan
Manufacturer: Yoshitake
Model: GD-7
- Simple design mechanism
- A dual-valve format minimizes the effects of inlet pressure fluctuations.
- Suitable for lubricating oil, and heavy fuel oil.
Specifications
| Features | For liquid, double-seated | |
|---|---|---|
| Type | Direct-acting type | |
| Specifications | Product type | Pilot-operated type |
| Nominal size | 20A (3/4″) – 150A (6″) | |
| Application | Water, oil, non-dangerous fluids | |
| End connection | JIS 10K FF flanged | |
| Inlet pressure | 0.1 – 1 MPa | |
| Reduced pressure | 0.05 – 0.7 MPa (*) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 10 : 1 | |
| Working temperature | 5 – 80 degree(C) | |
| Material | Body | Cast iron |
| Valve and valve seat | Bronze | |
| Piston | Bronze | |
Remarks
* Reduced pressure
1) 20A-50A
(A): 0.05-0.25 MPa
(B): 0.25-0.45 MPa
(C): 0.45-0.7 MPa
2) 65A-150A
(A): 0.05-0.2 MPa
(B): 0.2-0.5 MPa
(C): 0.5-0.7 MPa
Dimensions and Weights
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 20A(3/4) | 170 | 535 | 20 | 2 |
| 25A(1) | 170 | 535 | 22 | 3 |
| 32A(1 1/4) | 180 | 545 | 23 | 6 |
| 40A(1 1/2) | 180 | 545 | 23 | 8 |
| 50A(2) | 180 | 565 | 26 | 15 |
| 65A(2 1/2) | 215 | 680 | 41 | 23 |
| 80A(3) | 260 | 700 | 51 | 30 |
| 100A(4) | 300 | 750 | 66 | 40 |
| 125A(5) | 360 | 810 | 90 | 50 |
| 150A(6) | 382 | 875 | 129 | 60 |
About flow rate
Selection data：
Dimensional drawing
