Safety and Relief Valve
AL-5
* Compliant with JIS standard * Restricting structure to prevent unexpected pressure adjustment |
![]() |
Feature | Lift type / Flanged / Ductile iron / Lever type | |
Category | Safety valve | |
Type | Lift type | |
Specifications | Application | Steam |
Pressure range | 0.05 - 1.5MPa | |
Connection | JIS 10K FF flanged , JIS 16K FF flanged (*) | |
Max. temperature | 220 degree(C) | |
Material | Valve case | Ductile cast iron |
Spring case | Ductile cast iron | |
Valve | Stainless steel | |
Valve seat | Stainless steel |

* JIS 16K FF flanged when working pressure is more than 1.0 MPa. |
Size | L (mm) | H1 (mm) | Weight (kg) |
20A(3/4) | 90 | 75 | |
25A(1) | 95 | 90 | 7 |
32A(1 1/4) | 100 | 95 | 9.5 |
40A(1 1/2) | 110 | 105 | 11 |
50A(2) | 115 | 110 | 15 |

![]() |

Drawing 10K (86 KB) |
Drawing 10K Need (86 KB) |
Drawing 16K Need (86 KB) |
CAD external view (88 KB) |