| Features |
For steam, large capacity, great accuracy |
| Type |
Pilot operated diaphragm type |
| Specifications |
Product type |
Pilot-operated type |
| Nominal size |
15A (1/2") - 200A (8") |
| Application |
Steam |
| End connection |
JIS Rc or NPT screwed,JIS 20K RF flanged,JIS 10K FF flanged, ASME Class 150 or 300 flanged |
| Inlet pressure |
0.1 - 2 MPa (0.1 - 1.0 MPa for JIS 10K) |
| Reduced pressure |
0.02 - 1.7 MPa (*) |
| Max. temperature |
220 degree(C) |
| 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. 220 degree(C) |
| Valve seat leakage |
0.01% or less of rated flow |
| Material |
Body |
Ductile cast iron |
| Main valve, valve seat |
Stainless steel |
| Pilot valve, pilot valve seat |
Stainless steel |
| Diaphragm |
Stainless steel |