Pressure Reducing Valve
GP-1000
* Pilot operated piston type * Superior durability * Stable performance * Valve leakage meets ANSI Class IV * High reduction ratio (20:1) |
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Feature | Piston type / Ductile cast iron / Flanged | |
Type | Pilot operated piston type | |
Specifications | Application | Steam |
Inlet pressure | 0.1 - 1.0MPa | |
Reduced pressure | 0.05 - 0.9MPa | |
Connection | JIS 10K FF flanged | |
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 |
Valve | Stainless steel | |
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 | 285 | 8.0 | 1 |
20A(3/4) | 155 | 285 | 8.5 | 2.3 |
25A(1) | 160 | 300 | 10.0 | 4 |
32A(1-1/4) | 190 | 323 | 14.0 | 6.5 |
40A(1-1/2) | 190 | 323 | 14.5 | 9 |
50A(2) | 220 | 347 | 20.0 | 16 |
65A(2-1/2) | 245 | 357 | 30.0 | 25 |
80A(3) | 290 | 404 | 35.0 | 36 |
100A(4) | 330 | 450 | 52.5 | 64 |
[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 (485 KB) |
Drawing for 15A-50A (240 KB) |
Drawing for 65A-80A (235 KB) |
Drawing for 100A (234 KB) |
CAD external view (104 KB) |