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 |
Related Products
-

Venn RD-17A type pressure reducing valve for water / liquid
-

Venn WVR-02CN Pressure Reducing Valve (for Water and Hot Water)
-

Venn RP-6 type pressure reducing valve (for steam)
-

Venn RD-37 Pressure Reducing Valve (for Water, Hot Water, Air, and Liquid)
-

Venn RD-55 Pressure Reducing Valve (for Water and Liquid)
-

Venn BN-30N type shut-off valve fitting





