Made in Japan
Manufacturer: Yoshitake
Model: GPK-2003
- Remote air-loaded control
- Wide adjustment range
- Stable operation against inlet pressure fluctuation
Features |
For steam, remote control |
Type |
Remote Air-loaded, 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 20K RF flanged,JIS 10K FF flanged |
Inlet pressure |
0.25 – 2 MPa (0.25 – 1.0 MPa for JIS 10K) |
Reduced pressure |
0.2 – 1.4 MPa (0.2-0.85MPa for JIS 10K) |
Reduced pressure |
85% 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, valve seat |
Stainless steel |
Pilot valve, pilot valve seat |
Stainless steel |
Diaphragm |
Stainless steel |
Size |
L (mm) |
H (mm) |
Weight (kg) |
Cv value |
15A(1/2) |
150 |
353 |
17.5 |
5 |
20A(3/4) |
150 |
353 |
17.5 |
7.2 |
25A(1) |
160 |
359 |
22.0 |
10.9 |
32A(1 1/4) |
180 |
389 |
25.0 |
14.3 |
40A(1 1/2) |
180 |
389 |
25.0 |
18.8 |
50A(2) |
230 |
453 |
36.5 |
32 |
Size |
L (mm) |
H (mm) |
Weight (kg) |
Cv value |
15A(1/2) |
146 |
353 |
19 |
5 |
20A(3/4) |
146 |
353 |
19.5 |
7.2 |
25A(1) |
156 |
359 |
24.5 |
10.9 |
32A(1 1/4) |
176 |
389 |
27.5 |
14.3 |
40A(1 1/2) |
196 |
389 |
28 |
18.8 |
50A(2) |
222 |
453 |
39.5 |
32 |
65A(2 1/2) |
282 |
507 |
68 |
54 |
80A(3) |
302 |
530 |
75 |
70 |
100A(4) |
342 |
613 |
114.5 |
108 |
About flow rate