Pressure Reducing Valve/Drain Separator
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 | |
Remarks
*Reduced pressure
Wetted parts stainless steel
[15-80A]
A: 0.05-0.25MPa
B: 0.26-0.7MPa
[100A]
A: 0.05-0.25MPa
B: 0.26-0.5MPa
All stainless steel
[15-25A]
A: 0.05-0.2MPa
B: 0.21-0.6MPa
[32-50A]
A: 0.05-0.2MPa
B: 0.21-0.46MPa
Enter a value in the following field for a calculation of flow rate.
* Whenever you change values, be sure to click on the "Calculate" button.
Capacity may vary according to the installation condition.
Please contact the international Dept. when placing an order.
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：
Nominal Size Selection Chart (For Air)
Nominal Size Selection Chart (For Water)
Dimensional drawing
