Danfoss CHV-X straightway check (non-return) valve, 20 mm (3/4 in) socket weld ASME B 16.11, steel, 52 bar
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Product Description
Danfoss CHV-X straightway check (non-return) valve for industrial refrigeration, code 148B6602. Steel body with socket weld connections to ASME B 16.11, nominal size 20 mm (3/4 in). Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Flow coefficient Kv 7 m3/h. The cone lifts to allow forward flow and closes against reverse flow; an embossed one-way arrow marks the flow direction. minimum opening differential pressure 0.04 bar. Part of the Danfoss SVL Flexline programme. For HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) systems.
Technical Specifications
- Type
- CHV-X check (non-return) valve (SVL Flexline) Code number: 148B6602 Series: CHV-X Direction: Straightway Connection type: Socket weld Connection standard: ASME B 16.11 Nominal size: 20 mm (3/4 in) Body material: Steel Maximum working pressure: 52 bar (754 psig) Media temperature range: -60 to 150 C (-76 to 302 F) Kv value: 7 m3/h Flow direction: Non-return (forward flow only) PED assessment: Article 4, paragraph 3 (sound engineering practice) Approvals: CE, UKCA EAN: 5702428989374 Net weight: 1.28 Kilogram Product group: Check valves Approval: UKCA CE mark: Yes China RoHS compliance: Yes Colour Paint: Reddish brown Connection Code: (2003:X:20) Connection material: Steel Connection size [in]: 3/4 in Connection size [mm]: 20 mm Cv value [gal/min]: 8.1 gal/min EU RoHS compliance: Yes Flow direction indicator: Embossed 1-way arrow Fluid Group: 1 Kv value [m³/h]: 7 m³/h Max. Working Pressure [bar]: 52 bar Max. Working Pressure [psig]: 754 psig MinODP [bar]: 0.04 bar MinODP [psi]: 0.58 psi PED category: Art. 4, par. 3 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
- 20 mm
- Material
- Steel
- Pressure Rating
- 52 bar
- Temperature Range
- -60 to 150 C
- HS Code
- 8481.30
Compatibility & Fitment
Danfoss SVL Flexline CHV-X valve. This code is the straightway CHV-X with socket weld (ASME B 16.11) ends. Confirm line size (20 mm (3/4 in)), connection type/standard, direction (straightway) and refrigerant before ordering.
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 148B6602?
- 148B6602 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 148B6602.
- What is the HS code for 148B6602?
- The customs tariff (HS) code for 148B6602 is 8481.30.
- Who manufactures 148B6602?
- 148B6602 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 148B6602?
- Yes — the 148B6602 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148B6602?
- The minimum order quantity is 1.
- Is 148B6602 available?
- Yes — 148B6602 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).