Safety and Relief Valve

AL-280

* Superior durability due to stainless steel trim parts
* Effective for pump with high pulsation pressure or large pressure fluctuation





AL-280

Specifications

Features Ductile iron, flanged, relief
Type Relief valve
Specifications Product type Safety valve/Relief valve
Nominal size 15A (1/2") - 50A (2")
Application Cold and hot water, oil (20cSt or lower)
End connection JIS 10K FF flanged
Working pressure 0.05 - 1 MPa
Max. temperature 120 degree(C)
Material Body Ductile cast iron
Spring case Ductile cast iron
Valve and valve seat Stainless steel

Remarks


Dimensions and Weights
Size L (mm) H1 (mm) Weight (kg)
15A(1/2) 90 108 4.7
20A(3/4) 90 108 5.0
25A(1) 90 108 6.2
32A(1 1/4) 91 115 8.6
40A(1 1/2) 91 115 8.8
50A(2) 105 132 13.0

About flow rate

Dimensional drawing

Dimensional drawing