- Ductile cast iron body and stainless steel trim with PTFE disc
- Maximum pressure 2.0MPa
Japan, Yoshitake
YOSHITAKE AL-4ST Safety and Relief Valve
Made in Japan
Manufacturer: Yoshitake
Model: AL-4ST
Specifications
| Features | For air and water, ductile cast iron, Max. 2.0MPa | |
|---|---|---|
| Type | Safety relief valve | |
| Specifications | Product type | Safety valve/Relief valve |
| Nominal size | 65A (2-1/2″) – 100A (4″) | |
| Application | Air, water, oil | |
| End connection | JIS 20KFF flanged | |
| Working pressure | 0.05 – 2 MPa (*1) | |
| Max. temperature | 150 degree(C) | |
| Material | Body | Ductile cast iron (*2) |
| Spring case | Ductile cast iron | |
| Valve and valve seat | Stainless steel + PTFE disc | |
Remarks
*1 When working pressure is more than 1.2 MPa (for 65A and 80A) or 1.0 MPa (for 100A and 125A), a metal-to-metal seating is incorporated in.
*2 Available with stainless steel made.
Dimensions and Weights
| Size | L (mm) | H1 (mm) | Weight (kg) |
|---|---|---|---|
| 65A(2 1/2) | 135 | 125 | 20 |
| 80A(3) | 135 | 135 | 22 |
| 100A(4) | 160 | 150 | 44 |
About flow rate
Selection data：
Dimensional drawing
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