NRD Differential Pressure Valve

Brand: Danfoss

Regulating 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

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