Safety and Relief Valve

AL-31H

* Superior durability with all stainless steel made
* Small and compact
* Max. set pressure: 2.0 MPa





AL-31H

Specifications

Features Stainless steel, closed, flanged, Max. 2.0MPa
Type Safety relief valve
Specifications Product type Safety valve/Relief valve
Nominal size 15A (1/2") - 50A (2")
Application Steam, air, water, oil
End connection JIS 16K RF or JIS 20K RF flanged
Working pressure 1 - 2 MPa
Max. temperature 220 degree(C) (*)
Material Body Stainless steel
Spring case Stainless steel
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) 73 72 3.4
20A(3/4) 77 74 4.5
25A(1) 91 87 6.6
32A(1 1/4) 96 92 8.3
40A(1 1/2) 114 100 11.7
50A(2) 116 107 18

About flow rate

Dimensional drawing

Dimensional drawing