- High capacity with full bore design
- Reliable performance because of precise machining and heat treatment on trim parts
Japan, Yoshitake
YOSHITAKE AF-4M Safety and Relief Valve
Made in Japan
Manufacturer: Yoshitake
Model: AF-4M
Specifications
Features | For steam, full bore, flanged, cap | |
---|---|---|
Type | Safety valve | |
Specifications | Product type | Full bore type safety valve |
Nominal size | 25A (1″) – 150A (6″) | |
Application | Steam, air | |
End connection | JIS 10K FF flanged (inlet flange of 100-150A is 10KRF)* | |
Working pressure | 0.1 – 1 MPa | |
Max. temperature | 220 degree(C) | |
Material | Body | Ductile cast iron |
Spring case | Ductile cast iron | |
Valve and valve seat | Stainless steel |
Remarks
* Satellite overlaid stainless steel for 80A or larger in nominal size.
Dimensions and Weights
Size | L(mm) | H1(mm) | Weight(kg) | Inlet x Throat x Outlet |
---|---|---|---|---|
25A(1) | 100 | 100 | 12 | 25 x 16 x 40 |
40A(1 1/2) | 120 | 120 | 21 | 40 x 26 x 65 |
50A(2) | 130 | 130 | 27 | 50 x 30 x 75 |
65A(2 1/2) | 150 | 150 | 41 | 65 x 40 x 100 |
80A(3) | 165 | 160 | 60 | 80 x 49 x 125 |
100A(4) | 215 | 200 | 115(119) | 100 x 76 x 150 |
125A(5) | 220 | 210 | 135(143) | 125 x 84 x 200 |
150A(6) | 250 | 230 | 203(214) | 150 x 100 x 200 |
* The values in parenthesis is for JIS10KRF.
About flow rate
Selection data: