Venn Co.
Venn RD-57N Pressure Reducing Valve for Door-to-door Water Supply
Manufacturer: Venn Co., Ltd.
Model: RD-57N
Features
- Switching to a key part cartridge can shorten maintenance work and save labor
- The insulation case is smaller and can use in smaller places than before.
- Improved durability by using rubber FKM
- Inheriting the low noise characteristics that were popular with conventional products
- Pressure test with pressure reducing valve installed using a test rod
Specification
| Product Symbol | RD57N-F |
|---|---|
| Types of valves | Cartridge type door-to-door water supply pressure reducing valve |
| Nominal diameter | 20（3/4） |
| Applicable fluids | Tap water and hot water |
| Fluid temperature | 5~90°C (5~40°C when using pipe end core) |
| Primary Side Application Pressure | 1.0MPa or less |
| Secondary Side Regulation Pressure Range (Set Pressure) | L ：0.05～0.10MPa（0.08MPa) M ：0.10～0.20MPa（0.15MPa） H ：0.20～0.35MPa（0.20,0.25,0.30,0.35MPa） |
| Nameplate color | L : Green M : Blue H : Red |
| Maximum Reduction Ratio | 10:1 |
| Minimum differential pressure before and after the valve | 0.02MPa |
| Rated flow rate | 50L/min (differential pressure 0.1MPa or more) |
| End connection | JIS G1 Screw |
| Mounting Position | Horizontal and vertical free |
| Accessories | Thermal case (self-extinguishing), test rod, pressure gauge fittings (secondary side body installed) |
| Strainer | 60 mesh equivalent |
| Material: Body | CAC406 |
| Material: Diaphragm | FKM |
| Material: Disc | FKM |
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