Pressure Reducing Valve
GD-200H
* Max. Inlet pressure: 2.0 MPa * Direct-acting type * Stable reduced pressure against fluctuation of inlet pressure because of pressure balance mechanism |
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Feature | Direct-acting type / Inlet pressure Max. 2.0 MPa | |
Type | Direct-acting type | |
Specifications | Application | Cold and hot water , Oil (kerosene , heavy oil A and B) , Air , Other non-dangerous fluids |
Inlet pressure | Max. 2.0MPa | |
Reduced pressure | 0.05 - 1.0MPa(*) | |
Connection | JIS 20K RF flanged | |
Min. differential pressure | 0.05MPa | |
Max. pressure reduction ratio | 10:1 | |
Max. temperature | 80 degree(C) | |
Material | Body | Ductile cast iron |
Valve & seat | NBR & Stainless steel | |
Diaphragm | NBR |

* Reduced pressure 15A-50A: (A) 0.05-0.25 MPa, (B) 0.26-0.7 MPa, (C) 0.5-1.0 MPa 65A-80A: (A) 0.05-0.25 MPa, (B) 0.26-0.7 MPa, (C) 0.5-0.9 MPa 100A-150A: (A) 0.05-0.25 MPa, (B) 0.26-0.5 MPa, (C) 0.5-0.75 MPa * Trim (Valve seat, Spindle) material [SUS316]is also available (GD-200HS) |
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) | 145 | 310 | 8.2 | 2.5 |
20A(3/4) | 150 | 310 | 8.2 | 4 |
25A(1) | 150 | 333 | 10.0 | 5 |
32A(1 1/4) | 195 | 397 | 17.3 | 8 |
40A(1 1/2) | 195 | 397 | 17.3 | 12 |
50A(2) | 195 | 415 | 19.2 | 16 |
65A(2 1/2) | 270 | 555 | 40.0 | 28 |
80A(3) | 270 | 582 | 43.7 | 36 |
100A(4) | 308 | 645 | 70.7 | 68 |
125A(5) | 384 | 849 | 145.0 | 75 |
150A(6) | 404 | 918 | 175.0 | 108 |
[About flow rate]
Selection data: | Nominal Size Selection Chart (For Air) Nominal Size Selection Chart (For Water) |

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Drawing (15A-50A) (223 KB) |
Drawing (65A-100A) (242 KB) |
Drawing (125A-150A) (258 KB) |
Instruction Manual (622 KB) |
CAD external view (182 KB) |