DANFOSS CHECK VALVE NRV 35S
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DANFOSS CHECK VALVE NRV 35S

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Brand:Danfoss
Product Code: 020-1061
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Overview

DANFOSS CHECK VALVE NRV 35S (020-1061)NRV and NRVH check valves can be used in liquid, suction and hot gas lines in refrigeration and air conditioning...

DANFOSS CHECK VALVE NRV 35S (020-1061)

NRV and NRVH check valves can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plants with HCFC, HFC and HC flammable refrigerants. Special versions, with a max. working pressure of 90 bar / 1305 psig are available for CO2 applications. The valves ensure the correct low direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-in damping piston makes the valves suitable for installation in lines where pulsation can occur, e. g. in the discharge line from the compressor.

Application:
- Traditional refrigeration
- Heat pump systems
- Air conditioning units
- Liquid coolers
- Transport refrigeration
- Resonance problems can be avoided at partial load in the refrigeration plant
- Oversize connections provide ?exibility in use
- Prevents back-condensation from warm to cold system part
- Ensures correct ?ow direction
- In refrigeration plants with compressors connected in parallel, it is advantageous to use NRVH, since the spring is stronger than in NRV
- Available in both straightway and angleway versions
- Solder versions are compliant with ATEX hazard zone 2

020-1061
Product name: Check Valve
Type: NRV 35s
Inlet size [in]: 1 5/8 in
Inlet connection type: Solder, ODF
Outlet size [in]: 1 5/8 in
Outlet connection type: Solder, ODF

Approval: C UL US LISTED CE EAC
Body material: Brass
Connection compliance: ANSI Soldering 1 5/8 in int.
Connection material: Copper
Connection notes: Oversize
Cv value [gal/min]: 33.52 gal/min
Design: Piston
Direction: Angleway
EAN: 5702422115236
Flow direction: Single-flow
Flow direction indicator: Embossed 1-way arrow
Gross weight: 1.39 Kg
Inlet connection type: SOLDER, ODF
Inlet size [in]: 1 5/8 IN
Kv value [m³/h]: 29 m3/h
Max. Working Pressure [bar]: 46 bar
Max. Working Pressure [psig]: 667 psig
Min. Pressure drop [bar]: 0.04 bar
Min. Pressure drop [psi]: 0.6 psi
Net weight: 1.39 Kg
Outlet connection type: SOLDER, ODF
Outlet size [in]: 1 5/8 IN
Packing format: Multi pack
Product family name: NRV
Product group: Check valves
Product name: Check valve
Quantity per packing format: 6 pc
Rated cap cond, Hot gas [IMP]: tcond=86 °F tdisc=176 °F tevap=14 °F thotgas=140 °F tsub=9 °F
Rated cap cond, Hot gas [SI]: tcond=30 °C tdisc=80 °C tevap=-10 °C thotgas=60 °C tsub=5K
Rated cap cond, Liq. cap [IMP]: tcond=86 °F tevap=14 °F tsub=9 °F
Rated cap cond, Liq. cap [SI]: tcond=30 °C tevap=-10 °C tsub=5K
Refrigerants: R134a, R22/R407C, R404A/R507, R407A, R407F, R410A, R448A, R449A, R450A, R452A, R513A
Sales restriction: No - Sales restriction exist
System line application: Discharge line, Liquid feed line, Liquid line, Suction line, Wet return line
Temperature range [°C] [Max]: 140 °C
Temperature range [°C] [Min]: -50 °C
Temperature range [°F] [Max]: 285 °F
Temperature range [°F] [Min]: -58 °F
Type: NRV 35s
UL approval file name: REFRIGERANT VALVE 53R0

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