Danfoss CHV-X 50 check valve for the SVL Flexline industrial-refrigeration range, store code 148B5740, angleway steel body. The CHV-X is a spring-loaded check (non-return) valve that allows flow in one direction and closes on reverse flow, protecting compressors and pumps against back-flow. Nominal size 50 mm (2 in), socket weld connections to ASME B 16.11; flow coefficient Kv 45 m3/h. Steel housing for R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Maximum working pressure 52 bar (754 psig); media temperature -60 to 150 C (-76 to 302 F). net weight 3.04 kg, gross weight 3.672 kg. Conformity assessment PED 2014/68/EU, Category II. Specifications per Danfoss store code 148B5740.
| Type | CHV-X 50 check valve (SVL Flexline) Code number: 148B5740 Nominal size: 50 mm (2 in) Flow direction body: Angleway Connection: socket weld both ends |
| ASME B 16.11 Function | check / non-return Flow coefficient Kv: 45 m3/h minimum opening pressure: 0.04 bar Housing material: steel Maximum working pressure: 52 bar (754 psig) Media temperature range: -60 to 150 C (-76 to 302 F) Applicable media: R717 (ammonia), R744 (CO2), HFC/HCFC refrigerants and oils Weight: net weight 3.04 kg, gross weight 3.672 kg Conformity assessment: PED 2014/68/EU |
| Category II Approvals | CE EAN: 5702428477888 Net weight: 3.04 Kilogram Product group: Check valves Approval: CE CE mark: Yes China RoHS compliance: Yes Colour Paint: Reddish brown Connection Code: (2003:X:50) Connection material: Steel Connection size [in]: 2 in Connection size [mm]: 50 mm Connection standard: ASME B 16.11 Connection type: Socket weld Cv value [gal/min]: 53 gal/min Direction: Angleway EU RoHS compliance: Yes Flow direction indicator: Embossed 1-way arrow Fluid Group: 1 Inlet connection size [mm]: 50 mm Inlet connection type: Socket weld Kv value [m³/h]: 45 m³/h Max. Working Pressure [bar]: 52 bar Max. Working Pressure [psig]: 754 psig MinODP [bar]: 0.04 bar MinODP [psi]: 0.62 psi PED category: II REACH Candidate List substances: No Refrigerants: R134a Temperature range [°C] [max]: 150 °C Temperature range [°C] [min]: -60 °C Temperature range [°F] [max]: 302 °F Temperature range [°F] [min]: -76 °F |
| Material | Steel |
| Pressure rating | 52 bar |
| Temperature range | -60 to 150 C |
| Primary standard | ASME B 16.11 |
| Standard size | 50 mm |
| MOQ | 1 |
Danfoss SVL Flexline CHV-X 50 check valve (check-only; the SCA-X adds a manual stop to the check function). Select by flow direction (angleway) and connection (ASME B 16.11). Shares the SVL Flexline platform with SVA-S/SVA-L shut-off valves, REG regulating valves and FIA strainers of the same nominal size.