Pressure Reducing Valve
GD-27GS
* For gas application * Direct-acting type * Anti-corrosion material for wetted parts * Low noise and stable pressure control * Integral strainer prevents dirt problem * Closed construction makes no leakage outside |
![]() |
Feature | Direct-acting type / Stainless steel wetted parts | |
Type | Direct-acting type | |
Specifications | Application | Air , Other non-dangerous fluids |
Inlet pressure | Max. 1.0MPa | |
Reduced pressure | 0.05 - 0.7MPa(*) | |
Connection | JIS 10K FF flanged | |
Min. differential pressure | 0.05MPa | |
Max. pressure reduction ratio | 10:1 | |
Max. temperature | 90 degree(C) | |
Material | Body | Stainless steel |
Valve | Synthetic rubber | |
Seat | Stainless steel | |
Diaphragm | Synthetic rubber |

* Reduced pressure (A): 0.05-0.35 MPa (B): 0.3-0.7 MPa |
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 |
20A(3/4) | 160 | 170 | 3.9 | 2.3 |
25A(1) | 160 | 170 | 4.8 | 3.5 |
32A(1 1/4) | 200 | 224 | 8.0 | 6 |
40A(1 1/2) | 200 | 224 | 8.3 | 7 |
50A(2) | 220 | 239.5 | 10.8 | 11 |
65A(2 1/2) | 220 | 329 | 20.6 | 21 |
80A(3) | 230 | 345 | 22.0 | 26 |
100A(4) | 270 | 412 | 34.5 | 38 |
[About flow rate]
Selection data: | Rated Flow Flowrate Chart Nominal Size Selection Chart |

![]() |

Drawing (435 KB) |
Instruction manual (624 KB) |
CAD external view (176 KB) |