Pressure Reducing Valve
GP-1210
* Remote Air-loaded type * Pilot operated piston type * Superior durability * Stable performance * Valve leakage meets ANSI class IV * High reduction ratio (20:1) |
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Feature | Remote control / Ductile cast iron / Screwed | |
Type | Remote Air-loaded type | |
Specifications | Application | Steam |
Inlet pressure | 0.1 - 1.0MPa | |
Reduced pressure | 0.05 - 0.9MPa | |
Connection | JIS Rc screwed | |
Adjustable reduced pressure | 90% or less of the inlet pressure(gauge pressure) | |
Min. differential pressure | 0.05MPa | |
Max. pressure reduction ratio | 20:1 | |
Max. temperature | 220 degree(C) | |
Material | Body | Ductile cast iron |
Main valve & seat | Stainless steel | |
Pilot valve & seat | Stainless steel | |
Piston & Cylinder | Brass or bronze |

Enter a value in the following field for a calculation of flow rate.
Capacity may vary according to the installation condition.
Please contact the international Dept. when placing an order.
Size | L (mm) | H (mm) | Weight (kg) | Cv value |
15A(1/2) | 150 | 220 | 7.0 | 1 |
20A(3/4) | 155 | 220 | 7.0 | 2.3 |
25A(1) | 160 | 235 | 8.5 | 4 |
32A(1 1/4) | 190 | 258 | 12.0 | 6.5 |
40A(1 1/2) | 190 | 258 | 12.5 | 9 |
50A(2) | 220 | 282 | 18.0 | 16 |
[About flow rate]
Please refer to the nominal size selection chart when the inlet pressure is 0.6 MPa or more and the pressure reduction ratio exceeds 10:1.
Selection data: | Specifications Selection Chart Nominal Size Selection Chart (For Steam) |

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Instruction Manual (656 KB) |
Drawing (15-50A) (222 KB) |
CAD external view (68 KB) |