Yoshitake
YOSHITAKE AL-10 Safety and Relief Valve
Manufacturer: Yoshitake
Model: AL-10
- Blow-off test can be executed manually
Specifications
| Features | Ductile iron, screwed, lever | |
|---|---|---|
| Type | Safety valve | |
| Specifications | Product type | Safety valve/Relief valve |
| Nominal size | 15A (1/2″) – 50A (2″) | |
| Application | Steam | |
| End connection | JIS Rc screwed | |
| Working pressure | 0.05 – 1 MPa | |
| Max. temperature | 220 degree(C) | |
| Material | Body | Ductile cast iron |
| Spring case | Ductile cast iron | |
| Valve and valve seat | Bronze or stainless steel | |
Dimensions and Weights
| Size | L (mm) | H1 (mm) | Weight (kg) |
|---|---|---|---|
| 15A(1/2) | 40 | 40 | 1 |
| 20A(3/4) | 45 | 50 | 1.5 |
| 25A(1) | 50 | 60 | 1.8 |
| 32A(1 1/4) | 60 | 70 | 3.1 |
| 40A(1 1/2) | 65 | 75 | 4.5 |
| 50A(2) | 80 | 85 | 6.2 |
About flow rate
Selection data：
| Model | Nominal size | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|---|
| AL-10 | 15A-40A | 0.05-0.2 | 0.21-0.4 | 0.41-0.65 | 0.66-1.0 | ||||
| 50A | 0.05-0.1 0.11-0.2 | 0.21-0.4 | 0.41-0.65 | 0.66-1.0 |
Certified Capacity Table for AL-10
For steam (saturation temperature) <Pressure vessel structure standard>
| Pressure MPa/ Nominal size | 0.05 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 |
| 15A | 15 | 20 | 29 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 109 |
| 20A | 27 | 35 | 51 | 69 | 87 | 104 | 121 | 138 | 155 | 172 | 189 |
| 25A | 42 | 54 | 78 | 105 | 133 | 159 | 186 | 212 | 237 | 263 | 289 |
| 32A | 67 | 87 | 127 | 170 | 215 | 257 | 300 | 342 | 383 | 425 | 467 |
| 40A | 104 | 135 | 196 | 263 | 332 | 397 | 463 | 528 | 592 | 656 | 721 |
| 50A | 161 | 209 | 303 | 407 | 513 | 615 | 716 | 817 | 916 | 1016 | 1116 |
Dimensional drawing
