Pressure reducing valve (for water / liquid / door-to-door water supply), constant flow valve, water hammer preventer RD-33FNW type pressure reducing valve
It inherits controllability, reliability, and ease of use.
- Where to use
- Building equipmentFactory equipment
Major features
- Uses chlorine water resistant EPDM.
- Even if the diaphragm is damaged, water will not leak to the outside.
- It has a built-in strainer. (Nominal diameter 50 or less)
Water Supply Law Performance Standard Certification Registered Product (E-576) Pressure -Resistant Leach Durability
specification
| Product code | RD33FNW-F □The symbol of the secondary adjustment pressure range is entered in □. |
|---|---|
| Valve type | Pressure reducing valve |
| type | For 1.0MPa or less |
| Nominal diameter | 65-150 (2 1/2-6) |
| Applicable fluid | Water / hot water |
| 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: Nominal diameter 100 or less: 0.3 to 0.7 MPa, Nominal diameter 125,150: 0.3 to 0.5 MPa |
| 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 10K FF flange |
| Mounting posture | Horizontal / vertical (excluding strainer cap upward)When installing in vertical piping, keep the nominal diameter up to 100 and allow a large maintenance space. (For nominal diameters of 125 or more, install upright on horizontal pipes.) |
| strainer | Equivalent to 40 mesh (nominal diameter 50 or less) |
| Material body | CAC406 |
| Material diaphragm | Chlorine water resistant EPDM |
| Material disc | Chlorine water resistant EPDM |
| Material parts | CAC406 |
| Material Spring case | Nominal diameter 15-50: ADC, Nominal diameter 65-150: FC |
- We also manufacture a pressure gauge attachment only on the secondary side. (The maximum scale of the pressure gauge is the secondary adjustment pressure range L (0.6MPa), H (1.6MPa).) * Refer to page 40 for a pressure gauge installation example.
- We also manufacture products with a built-in tube end core (nominal diameter of 50 or less).
- We also manufacture RDB-33FNW type with bypass.
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