- Superior durability of stainless steel trim
- Popping structure permits a reliable blow-off operation
Japan, Yoshitake
YOSHITAKE AL-17 Safety and Relief Valve

Made in Japan
Manufacturer: Yoshitake
Model: AL-17
Specifications
| Features | Ductile iron, screwed, Max. 1.6MPa | |
|---|---|---|
| Type | Safety valve | |
| Specifications | Product type | Safety valve/Relief valve |
| Nominal size | 15A (1/2″) – 50A (2″) | |
| Application | Steam, air, water, oil | |
| End connection | JIS Rc screwed | |
| Working pressure | 0.05 – 1.6 MPa | |
| Max. temperature | 220 degree(C) (*) | |
| Material | Body | Ductile cast iron |
| Spring case | Ductile cast iron | |
| Valve and valve seat | Stainless steel | |
Remarks
* The maximum temperature is 150 degree(C) when using for water, oil, or other liquids.
Dimensions and Weights
| Size | L (mm) | H1 (mm) | Weight (kg) |
|---|---|---|---|
| 15A(1/2) | 40 | 40 | 0.9 |
| 20A(3/4) | 45 | 50 | 1.2 |
| 25A(1) | 50 | 60 | 1.7 |
| 32A(1 1/4) | 60 | 70 | 2.9 |
| 40A(1 1/2) | 65 | 75 | 3.8 |
| 50A(2) | 80 | 85 | 6.3 |
About flow rate
Selection data:


Dimensional drawing












