Safety and Relief Valve AL-4S | Yoshitake Inc.

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Safety and Relief Valve


* Simple structure means easy maintenance
* Line-up of body material: ductile cast iron and stainless steel
* Max. set pressure: 2.0 MPa

Feature Lift type / Flanged / Ductile iron / Max. 2.0 MPa
Category Safety valve
Type Lift type
Specifications Application Steam
Pressure range 0.05 - 2.0MPa
Connection JIS 10K FF flanged , JIS 16K FF flanged , JIS 20K 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
* Available with stainless steel made.

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Size L (mm) H1 (mm)
65A(2 1/2) 135 125
80A(3) 135 135
100A(4) 160 150

[About flow rate]

Selection data: Set pressure range 

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Dimensional drawing
Dimensional drawing:AL-4S

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Drawing (318 KB)

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