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Product details
Danfoss NRV 10s Check Valve | 1/2 in (12 mm) ODF Solder | 49 bar
Product Description:
The Danfoss NRV 10s (020B1058) is a vital component for ensuring unidirectional flow in high-performance refrigeration and air conditioning systems throughout the UAE. By preventing the back-flow of hot gas or liquid refrigerant during system off-cycles, it protects the compressor and maintains thermal efficiency under Dubai’s extreme ambient conditions. This model is equipped with 1/2 in (12 mm) ODF solder connections, ensuring a permanent, hermetic, and leak-proof seal that excels in high-vibration UAE industrial environments. With its robust 49 bar (711 psig) maximum working pressure, it is fully compatible with modern high-pressure HFCs and HFOs, providing a reliable and low-pressure-drop solution for critical cooling infrastructure in the Middle East.
Key Features & Benefits:
- Unidirectional Integrity: Effectively blocks refrigerant siphoning, preventing evaporator icing and compressor slugging in UAE units.
- Premium Pressure Rating: 49-bar capacity offers a high safety factor for the latest high-pressure refrigeration technology in Dubai.
- Leak-Free Installation: 1/2 inch ODF solder ports allow for easy brazing and a permanent joint, ideal for UAE coastal installations.
- Wide Temperature Resilience: Rated for temperatures from -50°C to +140°C, making it suitable for discharge and hot gas lines in the UAE.
- High Flow Efficiency: Optimized internal design provides a Kv value of 1.43 $m^3/h$, minimizing energy loss in UAE systems.
Technical Specifications :
| Specifications | Value |
| Manufacturer | Danfoss |
| Product Model | NRV 10s |
| Code Number | 020B1058 |
| Connection Size | 1/2 in (12 mm) ODF Solder |
| Max. Working Pressure | 49.0 bar (711 psig) |
| Opening Differential Pressure | 0.05 bar (Min. $\Delta p$) |
| Kv Value | 1.43 $m^3/h$ |
| Media Compatibility | HCFC, Non-flammable HFC refrigerants |
FAQs:
- Q: Why is the NRV 10s (020B1058) popular for UAE commercial refrigeration?
- A: Its 1/2″ size is a standard for many liquid and suction lines, and its 49-bar rating ensures it can handle the high pressures seen during the UAE summer peak.
- Q: Can this valve be installed in any orientation in Dubai projects?
- A: It is recommended to install check valves in a way that gravity or flow aids the closing mechanism, though the internal spring allows for versatile mounting in UAE plant rooms.
- Q: Is it resistant to the salty air in coastal UAE areas?
- A: Yes, the hermetic design and high-quality materials are built to withstand the humid, saline environments of Dubai and Abu Dhabi.
