Venn Co.
Venn RDB-33FN type pressure reducing valve with bypass (for water / hot water)
Manufacturer: Venn Co., Ltd.
Model: RDB-33FN
Features
- Uses a ball-type switching valve system that facilitates function selection operations.
- Bypass function enables cleaning and water flow in the pipe at the initial stage of water flow.
- Withstand voltage test of piping is possible with the pressure reducing valve with bypass attached.
- Maintenance of the pressure reducing valve is possible while passing water.
Specifications
| Product code | RDB33FN-F |
|---|---|
| Valve type | Pressure reducing valve |
| Nominal diameter | 20-100 (3/4-4) |
| Applicable fluid | Water / hot water |
| Fluid temperature | 5 to 90 ° C |
| Primary side applied pressure | 1.0MPa or less |
| Secondary adjustment pressure range (set pressure) | L: 0.05~0.35MPa H: 0.3~0.7MPa |
| Maximum decompression ratio | 10: 1 |
| Minimum differential pressure before and after the valve | 0.05MPa |
| Allowable leakage amount | None (visual pressure gauge) |
| End connection | Nominal diameter 20/25: JIS 10K loose flange Nominal diameter 32-100: JIS 10K FF flange |
| Mounting posture | Horizontal / vertical freedom |
| Material body | CAC406 |
| Material diaphragm | Chlorine water resistant EPDM |
| Material Flange | Nominal diameter 20/25: SUS304, Nominal diameter 32-100: CAC406 |
| Material disc | Chlorine water resistant EPDM |
| Material parts | CAC406 |
| Material Spring case | Nominal diameter 20-50: ADC, Nominal diameter 65-100: FC |
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