Danfoss CHV-X 50 angleway check valve, 50 mm (2 in) socket weld ASME B 16.11, steel, 52 bar
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Product Description
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.
Technical Specifications
- 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
Standards & Compliance
- Standard
- ASME B 16.11
- Size / Series
- 50 mm
- Material
- Steel
- Pressure Rating
- 52 bar
- Temperature Range
- -60 to 150 C
- HS Code
- 8481.30
Compatibility & Fitment
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.
Product Documentation
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Technical guides
- Cross-Referencing Danfoss Refrigeration Components by IMPA and OEM Code
- Danfoss Product Code Decoder — 003Z, 013G, 017B, 023U, 027L, 032F, 060G, 060H, 065B, 065Z, 068Z, 084H, 132F, 148B Series (Complete Reference)
- Danfoss Maneurop MTZ Reciprocating Compressors — Model Range, Voltage Codes and Replacement Guide
Catalogue entry last verified: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 148B5740?
- 148B5740 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Danfoss product?
- The manufacturer part number is 148B5740.
- What is the HS code for 148B5740?
- The customs tariff (HS) code for 148B5740 is 8481.30.
- Who manufactures 148B5740?
- 148B5740 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 148B5740?
- Yes — the 148B5740 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148B5740?
- The minimum order quantity is 1.
- Is 148B5740 available?
- Yes — 148B5740 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).