| Approval |
C UL US LISTED
EAC
LLC CDC EURO-TYSK |
| Body material |
Brass |
| Category |
Art. 4, par. 3 |
| China RoHS compliance |
Yes |
| Connection material |
Copper |
| Cv value [gal/min] |
7.51 gal/min |
| Design |
Piston |
| Direction |
Straightway |
| EN13463-3 ignit. source assess |
Yes |
| EU RoHS compliance |
Yes |
| EU RoHS exemption clause |
No |
| Flow direction |
Single-flow |
| Flow direction indicator |
On product label |
| Fluid Group |
1
2 |
| In scope of WEEE and contain batteries |
No |
| Inlet connection type |
Solder, ODF |
| Inlet size [in] |
3/4 in |
| Inlet size [mm] |
19 mm |
| Kv value [m³/h] |
6.5 m³/h |
| Lubricants compatibility |
Oilfree applications |
| Max. Working Pressure [bar] |
49 bar |
| Max. Working Pressure [psig] |
710 psig |
| Min. Pressure drop [bar] |
0.05 bar |
| Min. Pressure drop [psi] |
0.7 psi |
| MinODP [bar] |
0.02 bar |
| MinODP [psi] |
0.29 psi |
| Oil free refrigerants |
R1234ze(E)
R134a
R513A
R515B
R516A |
| Outlet connection type |
Solder, ODF |
| Outlet size [in] |
3/4 in |
| Outlet size [mm] |
19 mm |
| Packing format |
Multi pack |
| Product Group |
Check valves |
| Product Name Description |
Check valve |
| Quantity per packing format |
28 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) |
| Refrigerants |
R1233zd(E)
R1234yf
R1234ze(E)
R1270
R134a
R170
R22/R407C
R290
R32
R404A/R507A
R407A
R407F
R407H
R410A
R448A
R449A
R449B
R450A
R452A
R452B
R454A
R454B
R454C
R455A
R513A
R515B
R516A
R600
R600a |
| SCIP dossier no. |
518b3853-2efc-40fc-8f8b-d06930d032bb |
| Temperature range [°C] [Max] |
155 °C |
| Temperature range [°C] [Min] |
-50 °C |
| Temperature range [°F] [Max] |
311 °F |
| Temperature range [°F] [Min] |
-58 °F |
| Type |
NRV 19s |
| UK RoHS compliance |
Out of scope |
| UL approval file name |
REFRIGERANT VALVE 53R0 |
| UL approved refrigerants |
R1233zd(E)
R1234yf
R1234ze(E)
R1270
R134a
R170
R22
R290
R32
R404A
R407A
R407C
R407F
R407H
R410A
R448A
R449A
R449B
R450A
R452A
R452B
R454A
R454B
R454C
R455A
R507A
R513A
R515B
R516A
R600
R600a |
![Check valve, NRV 19s, Max. Working Pressure [bar]: 49.0](https://assets.danfoss.com/drawings/preview/150391/ID325228871265-0101_preview.jpg?w=96&h=96 "Check valve, NRV 19s, Max. Working Pressure [bar]: 49.0")