027X0360 Danfoss NVRA Check Valve - NRVA 15, 1/2" FPT Strong Spring Check

Type NRVA check valves can be used in liquid, suction, and hot gas lines in refrigeration and air conditioning systems using ammonia or with fluorinated refrigerants. When the NRVA is used in liquid lines where cold thick oil or impurities may be present, it is recommended that the standard spring be replaced by a special spring.

Features:

• A damping piston makes NRVA suitable for pulsating lines
• Teflon (PTFE) piston seat provides excellent seating with minimum closing force
• No orientation limitations
• Rated for 580 psig / 40 bar
• Available in a wide range of connection types including socket-weld, butt weld, FPT (internal NPT thread) and solder flange

Technical data:

• Refrigerants Applicable to HCFC, HFC and R717 (Ammonia).
  For further information please see installation
  instruction for NRVA.
• Use with flammable hydrocarbons cannot be
  recommended; please contact Danfoss.
• Temperature range: -50 – 140 °C / -58 – 284 °F.
• Pressure range
  The valve is designed for:
  • Maximum working pressure: 40 bar g / 580 psig.