• Ensures only correct low direction
• Prevents back-condensation from warm to cold evaporator
• Available in straightway and angleway versions


Description

NRH and NRVH check valves can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plants with fluorinated refrigerants.

Technical Specifications

  • Temperature range -50 to 140°C
  • Max. working pressure (PS/MVP) 46 bar (667 psig)
  • Max. test pressure p´ = 60 bar (870 psig)
  • Available with flare and solder connections, and oversize solder connections providing flexibility in the use of check valves
  • Available in straightway and angleway versions
  • Built-in damping piston that makes the valves suitable for installation in lines where pulsation can occur, e.g. in the discharge line from the compressor
  • NRVH is supplied with spring to Δp = 0.3 bar
  • Used in refrigeration plant with compressors connected in parallel
Advantages
  • Ensures only correct low direction
  • Oversize connections provide flexibility in use
  • Prevents back-condensation from warm to cold evaporator

MORE INFORMATION




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