Safety and Relief Valve AL-17 | Yoshitake Inc.

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Safety and Relief Valve


* Superior durability due to stainless steel made valve and valve seat
* Popping structure permits a reliable blow-off operation
* Blow-down pressure is adjustable

Feature Lift type / Screwed / Ductile iron / Max. 1.6MPa
Category Safety valve
Type Lift type
Specifications Application Steam , Air , Cold and hot water , Oil , Other non-dangerous fluids
Pressure range 0.05 - 1.6MPa("\"Refer to setting pressure range table.\)
Connection JIS Rc screwed
Max. temperature 220 degree(C) (*)
Material Spring case Ductile cast iron
Valve Stainless steel
Valve seat Stainless steel
* The maximum temperature is 150 degree(C) when using for water, oil, or other liquids.

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Size L (mm) H1 (mm) Weight (kg)
15A(1/2) 40 40 0.9
20A(3/4) 45 50 1.2
25A(1) 50 60 1.7
32A(1 1/4) 60 70 2.9
40A(1 1/2) 65 75 3.8
50A(2) 80 85 6.3

[About flow rate]

Selection data: Set pressure range 

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Dimensional drawing
Dimensional drawing:AL-17

Data Downloading
Drawing (96 KB)
CAD external view (155 KB)

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