Pressure Reducing Valve
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GD-7B
* Simple design mechanism * A dual-valve format minimizes the effects of inlet pressure fluctuations. * Suitable for lubricating oil, and heavy fuel oil. |
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| Feature | Piston type / Cast iron / Flanged | |
| Type | Direct-acting type | |
| Specifications | Application | Cold and hot water , Oil , Other non-dangerous fluids |
| Inlet pressure | 0.1 - 1.0MPa | |
| Reduced pressure | 0.05 - 0.7MPa(*1) | |
| Connection | JIS 10K FF flanged | |
| Reduced pressure | 85% or less of the inlet pressure(gauge pressure) | |
| Min. differential pressure | 0.05MPa | |
| Max. pressure reduction ratio(*2) | 20:1 | |
| Max. temperature | 80 degree(C) | |
| Material | Body | Cast iron |
| Valve | NBR | |
| Valve seat | Bronze | |
| Piston | Bronze | |
| *1 Reduced pressure 1) 20A-50A (A): 0.05-0.25 MPa (B): 0.25-0.45 MPa (C): 0.45-0.7 MPa 2) 65A-150A (A): 0.05-0.2 MPa (B): 0.2-0.5 MPa (C): 0.5-0.7 MPa *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 | 535 | 20 | 2 |
| 25A(1) | 170 | 535 | 22 | 3 |
| 32A(1 1/4) | 180 | 545 | 23 | 4 |
| 40A(1 1/2) | 180 | 545 | 23 | 5 |
| 50A(2) | 180 | 565 | 26 | 8 |
| 65A(2 1/2) | 215 | 680 | 41 | 12 |
| 80A(3) | 260 | 705 | 51 | 16 |
| 100A(4) | 300 | 755 | 66 | 20 |
| 125A(5) | 360 | 815 | 90 | 25 |
| 150A(6) | 382 | 885 | 129 | 30 |
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| Drawing (503 KB) |
| CAD external view (334 KB) |
