![020-1042 - Check valve, NRV 12, Max. Working Pressure [bar]: 46.0 Danfoss](https://haste-uae.com/wp-content/uploads/2026/02/Untitled-design-13-1.png)
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Product details
Danfoss NRV 12 Check Valve | 1/2 in Flare Connection | 46 bar
Product Description:
The Danfoss NRV 12 (020-1042) is a versatile and essential component for maintaining system efficiency across the UAE. Featuring 1/2 in flare connections, it offers the convenience of mechanical installation and easy replacement, which is highly valued for maintenance in Dubai’s bustling commercial buildings. This valve effectively prevents the back-flow of refrigerant during off-cycles, a critical function to prevent liquid slugging and ensure the longevity of compressors operating in the UAE’s extreme ambient temperatures. With a maximum working pressure of 46 bar, it is a robust choice for both liquid and hot gas lines, compatible with standard HFC and HCFC refrigerants used throughout the Middle East.
Key Features & Benefits:
- Quick Flare Connection: 1/2 inch flare ports allow for rapid, screw-on installation, minimizing system downtime during UAE service calls.
- Effective Flow Protection: Ensures refrigerant moves only in the intended direction, safeguarding UAE units from evaporator icing.
- Quiet Operation: Precision internal design prevents resonance and noise, ideal for UAE installations in residential or office areas.
- Broad Temperature Handling: Rated for operation between -50°C and +140°C, making it suitable for hot gas discharge in Dubai.
- Durable Construction: Built with high-quality materials to resist wear and the humid environment of the UAE coastline.
Technical Specifications :
| Specifications | Value |
| Manufacturer | Danfoss |
| Product Model | NRV 12 |
| Code Number | 020-1042 |
| Connection Size | 1/2 in (12 mm) Flare |
| Max. Working Pressure | 46.0 bar (667 psig) |
| Opening Differential Pressure | 0.05 bar (Min. $\Delta p$) |
| Kv Value | 1.2 $m^3/h$ |
| Media Compatibility | HCFC, Non-flammable HFC refrigerants |
FAQs:
- Q: Why is the 1/2″ flare (020-1042) a common choice in Dubai?
- A: Its size and flare connection make it perfect for the majority of medium-sized commercial refrigeration units in the UAE that require quick servicing.
- Q: Does it work with R134a and R404A in the UAE?
- A: Yes, the NRV series is fully compatible with these common HFC refrigerants found in UAE cooling systems.
- Q: Can this valve be installed vertically in UAE projects?
- A: Yes, it can be installed in various orientations, provided the flow direction follows the arrow on the valve body for proper operation in the UAE.
