- Small and compact
- Superior durability due to corrosion-proof material
- All stainless steel made
Japan, Yoshitake
YOSHITAKE AF-5S Safety and Relief Valve

Made in Japan
Manufacturer: Yoshitake
Model: AF-5S
Specifications
Features | For steam, full bore, stainless steel, lever | |
---|---|---|
Type | Safety valve | |
Specifications | Product type | Full bore type safety valve |
Nominal size | 20A (3/4″) – 50A (2″) | |
Application | Steam, air | |
End connection | Inlet: JIS R screwed, Outlet: JIS Rc screwed | |
Working pressure | 0.1 – 1 MPa | |
Max. temperature | 220 degree(C) | |
Material | Body | Stainless steel |
Spring case | Stainless steel | |
Valve and valve seat | Stainless steel |
Dimensions and Weights
Size (Inlet x Throat x Outlet) | L (mm) | H1 (mm) | Weight (kg) |
---|---|---|---|
20A(R1 x 15 x Rc1) | 40 | 62 | 1.65 |
25A(R1-1/4 x 19 x Rc1-1/4) | 47 | 70 | 2.35 |
32A(R1-1/2 x 24 x Rc1-1/2) | 52 | 79 | 2.9 |
40A(R2 x 30 x Rc2) | 65 | 98 | 5.3 |
50A(R2-1/2 x 38 x Rc2-1/2) | 77 | 121 | 9.2 |
About flow rate
Selection data:

Dimensional drawing
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