Venn Co.
Venn RD-31N type pressure reducing valve

Manufacturer: Venn Co., Ltd.
Model: RD-31N
Features
- Calm flow red water countermeasures: Main body bronze + pipe end core prevents red water.
- It is a low noise design.
- It is about 50% smaller and lighter than the conventional FC product.
- Even if the diaphragm is damaged, water will not leak to the outside.
- It has a built-in strainer. (Nominal diameter 50 or less)
Specifications
| Product code | RD31N-F |
|---|---|
| Valve type | Pressure reducing valve |
| type | For 1.0MPa or less |
| Nominal diameter | 15-50 (1/2-2) |
| Applicable fluid | Water, hot water, (air, inert gas ) |
| Fluid temperature | 5 to 90 ° C (5 to 40 ° C when using a tube end core) |
| 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 | JIS Rc screw |
| Mounting posture | Horizontal / vertical (excluding strainer cap upward) |
| strainer | Equivalent to 40 mesh (nominal diameter 50 or less) |
| Material body | CAC406 |
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