Pressure Reducing Valve
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GD-4B
* High accuracy * Stable low pressure control * Balance type leads to high reduction ratio |
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| Feature | Low pressure control / balance type / Flanged | |
| Type | Direct-acting type | |
| Specifications | Application | Air , Non-dangerous fluids |
| Inlet pressure | Max. 800kPa | |
| Reduced pressure | 2 - 200kPa | |
| Connection | JIS 10K FF flanged | |
| Adjustable reduced pressure | 85% or less of the inlet pressure(gauge pressure) | |
| Min. differential pressure | 0.003MPa(*1) | |
| Max. pressure reduction ratio(*2) | 20:1 | |
| Max. temperature | 80 degree(C) | |
| Material | Body | Cast iron |
| Main valve | NBR | |
| Main valve seat | Stainless steel | |
| Diaphragm | NBR | |
| * Contact us pressure range for each valve. *1 Min. differential pressure Diaphragm 256 mmDia.: 3 kPa 340 mmDia.: 2 kPa 400 mmDia.: 1 kPa *2 Max. pressure reduction ratio 3/4\\\"-2\\\" --- 20:1 2 1/2\\\"-6\\\" --- 15:1 |
| Size | L (mm) | H (mm) | Weight (kg) | Cv value |
| 20A(3/4) | 170 | 570 | 27 | 2 |
| 25A(1) | 170 | 570 | 28 | 3 |
| 32A(1 1/4) | 180 | 580 | 28 | 4 |
| 40A(1 1/2) | 180 | 580 | 29 | 5 |
| 50A(2) | 180 | 600 | 31 | 8 |
| 65A(2 1/2) | 215 | 695 | 39 | 12 |
| 80A(3) | 260 | 715 | 48 | 16 |
| 100A(4) | 300 | 785 | 64 | 24 |
| 125A(5) | 360 | 840 | 88 | 36 |
| 150A(6) | 382 | 895 | 123 | 48 |
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| Drawing (592 KB) |
| CAD external view (360 KB) |
