Made in Japan
Manufacturer: Yoshitake
Model: GDK-2000
- Remote air-loaded control
- Stable operation against inlet pressure fluctuation
Features | For steam, remote control, direct acting |
---|
Type | Remote Air-loaded, direct acting type |
---|
Specifications | Product type | Pilot-operated type |
---|
Nominal size | 15A (1/2″) – 100A (4″) |
---|
Application | Steam |
---|
End connection | JIS Rc or NPT screwed,JIS 20K RF flanged,JIS 10K FF flanged, ASME Class 150 or 300 flanged, EN PN25 flanged |
---|
Inlet pressure | 0.1 – 2 MPa (0.1-1.0MPa for JIS 10K) |
---|
Reduced pressure | 0.05 – 1.4 MPa (0.05-0.9MPa for JIS 10K and ASME 150) |
---|
Reduced pressure | 90% or less of the inlet pressure(gauge pressure) |
---|
Min. differential pressure | 0.05 MPa |
---|
Max. pressure reduction ratio | 10 : 1 |
---|
Working temperature | Max. 220 degree(C) |
---|
Valve seat leakage | 0.01% or less of rated flow |
---|
Material | Body | Ductile cast iron |
---|
Main Valve | Stainless steel |
---|
Valve seat | Stainless steel |
---|
Diaphragm | Stainless steel |
---|
Size | L (mm) | H (mm) | Weight (kg) | Cv value |
---|
15A(1/2) | 150 | 244 | 12.4 | 5 |
20A(3/4) | 150 | 244 | 12.4 | 7.2 |
25A(1) | 160 | 251 | 16.4 | 10.9 |
32A(1-1/4) | 180 | 282 | 19.9 | 14.3 |
40A(1-1/2) | 180 | 282 | 19.9 | 18.8 |
50A(2) | 230 | 319 | 30.5 | 32 |
Size | L (mm) | H (mm) | Weight (kg) | Cv value |
---|
15A(1/2) | 146 | 244 | 13.9 | 5 |
20A(3/4) | 146 | 244 | 14.4 | 7.2 |
25A(1) | 156 | 251 | 19.2 | 10.9 |
32A(1 1/4) | 176 | 282 | 22.4 | 14.3 |
40A(1 1/2) | 196 | 282 | 22.9 | 18.8 |
50A(2) | 222 | 319 | 33.5 | 32 |
65A(2 1/2) | 282 | 373 | 61.8 | 54 |
80A(3) | 302 | 399 | 69.1 | 70 |
100A(4) | 342 | 488 | 108.6 | 108 |