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NRD Differential Pressure Valve
Brand: DanfossRegulating system KVR and NRD is used to maintain a constant and sufficiently high condenser and receiver pressure in refrigeration and air conditioning plant with air-cooled condensers.
Features- Accurate, adjustable pressure regulation
- Wide capacity and operating range
- Pulsation damping design
- Compact angle design for easy installation in any position
- "Hermetic" brazed construction
- 1/4" Schrader valve for pressure gauge connection
- Available with flare and ODF solder connections
- NRD: for use with HCFC, HFC and HC refrigerants
Specifications
Brand
Adjustable Set Point Range
- psig: 72.52 to 253.8 (kPa: 500 to 1,750, bar: 5 to 17.5)
Applications
- Liquid Capacity Application
Approvals & Certifications
- ATEX Hazard Zone 2
- EAC
- UL Listed, File SA7200
Differential Pressure
- psi: 20.3 (kPa: 140, bar: 1.4) - Start Opening
- psi: 43.51 (kPa: 300, bar: 3) - Fully Open
Materials of Construction
- Bellows: Stainless Steel
Operating Pressure
- psi: 667 (kPa: 4,600, bar: 46) - Max.
Pressure Range
- psi: 145 (kPa: 1,000, bar: 10) - Factory Setting
- psi: 72.52 to 253.8 (kPa: 500 to 1,750, bar: 5 to 17.5) - Adjustment Range
Process Temperature
- -45° to 130° C (-49° to 266° F)
Proof Pressure
- psi: 870.2 (kPa: 6,000, bar: 60) - Max.
Tube Connection
- 1/2” Tube
- 12 mm Tube
- Liquid Capacity Application
