Safety and Relief Valve AL-27 | Yoshitake Inc.

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Safety and Relief Valve


* Unique structure especially for relief valve
* Stable operation even with back pressure change produced in continuous blow

Feature Proportional type / Screwed / Ductile iron / 1.6 MPa
Category Relief valve
Type Proportional type
Specifications Application Cold and hot water , Oil , Other non-dangerous fluids
Pressure range 0.05 - 1.6MPa("\"Refer to setting pressure range table.\)
Connection JIS Rc
Max. temperature 120 degree(C)
Material Valve case Ductile cast iron
Spring case Ductile cast iron
Valve Stainless steel
Valve seat Stainless steel

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Size L (mm) H1 (mm) Weight (kg)
15A(1/2) 40 40 0.9
20A(3/4) 45 50 1.3
25A(1) 50 60 1.7
32A(1 1/4) 60 70 2.9
40A(1 1/2) 65 75 3.9
50A(2) 80 85 6.4

[About flow rate]

Selection data: Set pressure range 

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Dimensional drawing
Dimensional drawing:AL-27

Data Downloading
Drawing (62 KB)
Instruction Manual (869 KB)
CAD external view (79 KB)

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