Safety and Relief Valve
AL-4
* Ductile cast iron body and stainless steel trim
Specifications
| Features | For steam, ductile cast iron, closed cap | |
|---|---|---|
| Type | Safety valve | |
| Specifications | Product type | Safety valve/Relief valve |
| Nominal size | 65A (2-1/2") - 150A (6") | |
| Application | Steam | |
| End connection | JIS 10K FF flanged, JIS 16K FF flanged | |
| Working pressure | 0.05 - 1.5 MPa | |
| Max. temperature | 220 degree(C) | |
| Material | Body | Ductile cast iron |
| Spring case | Ductile cast iron | |
| Valve and valve seat | Stainless steel | |
Remarks
*1 Maximum working pressure for 150A type is 0.8 MPa (connection: JIS 10K FF flanged).
*2 JIS 16K FF flanged when working pressure is more than 1.0 MPa.
Dimensions and Weights (JIS 10K)
| Size | L (mm) | H1 (mm) | Weight (kg) |
|---|---|---|---|
| 65A(2 1/2) | 120 | 120 | 20 |
| 80A(3) | 130 | 130 | 22 |
| 100A(4) | 160 | 150 | 44 |
| 125A(5) | 200 | 205 | 88 |
| 150A(6) | 210 | 215 | 113 |
Dimensions and Weights (JIS 16K)
| Size | L (mm) | H1 (mm) | Weight (kg) |
|---|---|---|---|
| 65A(2 1/2) | 120 | 120 | 20 |
| 80A(3) | 130 | 130 | 22 |
| 100A(4) | 160 | 150 | 44 |
| 125A(5) | 200 | 205 | 88 |
About flow rate
Selection data：
Set pressure range
Capacity table
Dimensional drawing
