Safety and Relief Valve
AL-17
* Superior durability due to stainless steel made valve and valve seat * Popping structure permits a reliable blow-off operation * Blow-down pressure is adjustable |
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Feature | Lift type / Screwed / Ductile iron / Max. 1.6MPa | |
Category | Safety valve | |
Type | Lift type | |
Specifications | Application | Steam , Air , Cold and hot water , Oil , Other non-dangerous fluids |
Pressure range | 0.05 - 1.6MPa("\"Refer to setting pressure range table.\) | |
Connection | JIS Rc screwed | |
Max. temperature | 220 degree(C) (*) | |
Material | Spring case | Ductile cast iron |
Valve | Stainless steel | |
Valve seat | Stainless steel |

* The maximum temperature is 150 degree(C) when using for water, oil, or other liquids. |
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: | Set pressure range |

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Drawing (96 KB) |
CAD external view (155 KB) |