Specifications
| Features | For steam, high pressure, large capacity | |
|---|---|---|
| Type | Pilot operated diaphragm type | |
| Specifications | Product type | Pilot-operated type |
| Nominal size | 15A (1/2″) – 100A (4″) | |
| Application | Steam | |
| End connection | JIS Rc screwed,JIS 10K FF, 20K RF, JIS 30K RF flanged, ASME Class 150 or 300 flanged, EN PN25 flanged, Socket weld | |
| Inlet pressure | 0.1 – 3 MPa | |
| Reduced pressure | 0.02 – 2 MPa (*1) | |
| Reduced pressure | 85% or less of the inlet pressure(gauge pressure) | |
| Min. differential pressure | 0.05 MPa | |
| Max. pressure reduction ratio | 20 : 1 | |
| Working temperature | Max. 260 degree(C) | |
| Valve seat leakage | 0.01% or less of rated flow | |
| Material | Body | Cast carbon steel |
| Main valve, valve seat | Stellite overlaid stainless steel | |
| Pilot valve, pilot valve seat | Stainless steel | |
| Diaphragm | Stainless steel | |
Dimensions and Weights
JIS Rc screwed
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 15A(1/2) | 150 | 398 | 16 | 5.0 |
| 20A(3/4) | 150 | 398 | 16 | 7.2 |
| 25A(1) | 160 | 404 | 21.5 | 10.9 |
| 32A(1-1/4) | 180 | 434 | 24 | 14.3 |
| 40A(1-1/2) | 180 | 434 | 24 | 18.8 |
| 50A(2) | 230 | 498 | 37 | 32 |
JIS 30K RF flanged
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
|---|---|---|---|---|
| 15A(1/2) | (240) | (398) | (18) | 5.0 |
| 20A(3/4) | (240) | (398) | (18) | 7.2 |
| 25A(1) | (250) | (404) | (24.5) | 10.9 |
| 32A(1-1/4) | (260) | (434) | (27) | 14.3 |
| 40A(1-1/2) | (260) | (434) | (27) | 18.8 |
| 50A(2) | 230(320) | 498(498) | 42(40) | 32 |
| 65A(2-1/2) | 294 | 552 | 75 | 54 |
| 80A(3) | 314 | 575 | 84 | 70 |
| 100A(4) | 358 | 658 | 133 | 108 |
Dimensional drawing
