Safety and Relief Valve AL-250R | Yoshitake Inc.

Product Search

Safety and Relief Valve


* Superior durability due to all stainless steel made
* Simple structure and easy maintenance
* Unique structure especially for relief valve
* Stable operation even with back pressure change produced in continuous blow
* Set pressure is easily changed by handle

Feature Proportional type / Screwed / Stainless steel / With handle
Category Relief valve
Type Proportional type
Specifications Application Cold and hot water , Oil , Other non-dangerous fluids
Pressure range 0.05 - 1.0MPa("Refer to setting pressure range table.")
Connection JIS Rc screwed
Max. temperature 120 degree(C)
Material Spring case Cast stainless steel
Valve Stainless steel
Valve seat Stainless steel

Al inicio de la página

Size L (mm) H1 (mm) Weight (kg)
15A(1/2) 34 41 0.9
20A(3/4) 38 45 1.1
25A(1) 43 51.5 1.4
32A(1 1/4) 50 63.5 2.5
40A(1 1/2) 60 68.5 3.7
50A(2) 75 80 6.0

[About flow rate]

Selection data: Set pressure range  Nominal Size Selection Chart (For Water) 

Al inicio de la página

Dimensional drawing
Dimensional drawing:AL-250R

Data Downloading
Drawing (138 KB)
Instruction manual (269 KB)
CAD external view (213 KB)

Return to the Product Information.

Al inicio de la página.