Specifications
| Features | For steam, Max. 1.6MPa | |
|---|---|---|
| Type | Pilot operated piston type | |
| Specifications | Product type | Pilot-operated type |
| Nominal size | 15A (1/2″) – 100A (4″) | |
| Application | Steam | |
| End connection | JIS 16K FF flanged, ASME Class 300 flanged | |
| Inlet pressure | 0.1 – 1.6 MPa | |
| Reduced pressure | 0.05 – 1.4 MPa (*) | |
| Reduced pressure | 90% or less of the inlet pressure(gauge pressure) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 20 : 1 | |
| Working temperature | Max. 220 degree(C) | |
| Valve seat leakage | 0.01% or less of rated flow | |
| Material | Body | Ductile cast iron |
| Valve and valve seat | Stainless steel | |
| Piston, cylinder | Stainless steel | |
| Diaphragm | Stainless steel | |
Dimensions and Weights
Dimensions and Weights (JIS 16K FF flanged)
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 15A(1/2) | 150 | 291 | 8.0 | 1 |
| 20A(3/4) | 155 | 291 | 8.5 | 2.3 |
| 25A(1) | 160 | 300 | 10.0 | 4 |
| 32A(1 1/4) | 190 | 333 | 14.0 | 6.5 |
| 40A(1 1/2) | 190 | 333 | 14.5 | 9 |
| 50A(2) | 220 | 353 | 20.0 | 16 |
| 65A(2 1/2) | 245 | 357 | 30.0 | 25 |
| 80A(3) | 290 | 404 | 35.0 | 36 |
| 100A(4) | 330 | 450 | 52.5 | 64 |
Dimensions and Weights (ASME Class 300 flanged)
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 25A(1) | 160 | 300 | 10.0 | 4 |
| 32A(1 1/4) | 180 | 333 | 14.0 | 6.5 |
| 40A(1 1/2) | 200 | 333 | 15.5 | 9 |
| 50A(2) | 230 | 353 | 21.0 | 16 |
| 65A(2 1/2) | 278 | 357 | 30.0 | 25 |
| 80A(3) | 310 | 404 | 37.0 | 36 |
| 100A(4) | 350 | 450 | 57.0 | 64 |
Dimensional drawing
