VAN MỘT CHIỀU DANFOSS NRV 19 - C/N 020-1044

Approval

C UL US LISTED
EAC

Body material

Brass

Connection material

Brass

Connection notes

Without flare nut

Cv value [gal/min]

6.36 gal/min

Design

Piston

Direction

Straightway

Flow direction

Single-flow

Flow direction indicator

On product label

Fluid Group

1;2

Inlet connection type

FLARE

Inlet size [in]

3/4 in

Inlet size [mm]

19 mm

Kv value [m³/h]

5.5 m³/h

Lubricants compatibility

Oilfree applications

Max. Working Pressure [bar]

46 bar

Max. Working Pressure [psig]

667 psig

Min. Pressure drop [bar]

0.05 bar

Min. Pressure drop [psi]

0.7 psi

Oil free refrigerants

R1234ze(E)
R134a
R513A
R515B
R516A

Outlet connection type

FLARE

Outlet size [in]

3/4 in

Outlet size [mm]

19 mm

Packing format

Multi pack

PED category

Art. 4, par. 3

Product family name

NRV

Product group

Check valves

Product name

Check valve

Quantity per packing format

24 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

REACH Candidate List substances >0.1%

Lead (CAS no. 7439-92-1)

Refrigerant oil compatibility

Oilfree applications
R1234ze(E)
R134a
R513A
R515B
R516A

Refrigerants

R134a
R22/R407C
R407A
R407F
R410A
R448A
R449A
R450A
R452A
R513A
R1233zd(E)
R1234yf
R1234ze(E)
R407H
R449B
R452B
R454A
R454B
R454C
R455A
R515B
R516A
R404A/R507A
R32

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 19

UL approval file name

REFRIGERANT VALVE 53R0

UL approved refrigerants

R134a
R22
R404A
R407A
R407C
R407F
R410A
R448A
R449A
R450A
R452A
R507A
R513A