Japan, Yoshitake
YOSHITAKE GD-400 Pressure Reducing Valve – Air
Made in Japan
Manufacturer: Yoshitake
Model: GD-400
- For extremely low pressure control
- Max. reduction ratio is 400 : 1
Specifications
| Features | For air, reduction ratio 400:1 | |
|---|---|---|
| Type | Direct-acting type | |
| Specifications | Product type | Direct-acting type |
| Nominal size | 15A (1/2″) – 50A (2″) | |
| Application | Air, other non-dangerous fluids | |
| End connection | JIS 10K FF flanged | |
| Inlet pressure | 2.5 – 400 kPa | |
| Reduced pressure | 0.5 – 20 kPa (*) | |
| Min. differential pressure | 2 kPa | |
| Max. pressure reduction ratio | 400 : 1 | |
| Working temperature | 5 – 60 degree(C) | |
| Material | Body | Cast iron |
| Valve | NBR | |
| Valve seat | Stainless steel | |
| Diaphragm | NBR | |
Remarks
* Reduced pressure
(A): 0.5-1.4 kPa
(B): 1.2-3.3 kPa
(C): 3.0-8.0 kPa
(D): 7.0-20 kPa
* FKM option is also available.
Dimensions and Weights
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 15A(1/2) | 166 | 526 | 29 | 1.5 |
| 20A(3/4) | 170 | 526 | 29 | 2 |
| 25A(1) | 170 | 526 | 30 | 3 |
| 32A(1-1/4) | 180 | 561 | 32 | 5 |
| 40A(1-1/2) | 180 | 561 | 32 | 6 |
| 50A(2) | 180 | 561 | 33 | 8 |
About flow rate
Selection data：
Dimensional drawing
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