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

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Safety and Relief Valve

AL-4ST

* Simple structure and easy maintenance
* Tight seal because of PTFE disc
* Line-up of body material: ductile cast iron and stainless steel
* Max. set pressure: 2.0 MPa
Image:AL-4ST

Feature Lift type / Flanged / Ductile cast / Max. 2.0 MPa
Category Safety relief valve
Type Lift type
Specifications Application Air , Oil , Cold and hot water , Non-dangerous fluids
Pressure range 0.05 - 2.0MPa("(*1) Refer to setting pressure range table.")
Connection JIS 10K FF , JIS 16K FF , JIS 20K FF
Max. temperature 150 degree(C)
Material Valve case Ductile cast iron (*2)
Spring case Ductile cast iron (*2)
Valve Stainless steel (PTFE disc incorporated)
Valve seat Stainless steel (PTFE disc incorporated)
Remarks
*1 When working pressure is more than 1.2 MPa (for 65A and 80A) or 1.0 MPa (for 100A and 125A), a metal-to-metal seating is incorporated in.
*2 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-4ST

Data Downloading
Drawing 16K (101 KB)
Drawing 20K (101 KB)
Drawing 10K (93 KB)
CAD external view (34 KB)

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