Danfoss CHV-X 65 function module (Top Complete), fits SVL Flexline CHV-X 65 check valve, 65 bar
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Product Description
Danfoss CHV-X 65 function module (also called Top Complete) for the SVL Flexline modular industrial-refrigeration valve platform, store code 148B5779. The function module is the complete field-serviceable operating top part — top part, one gasket and four bolts — that mounts on the matching CHV-X 65 check valve housing. It gives the spring-loaded non-return (check) function that allows flow one way and closes on reverse flow, protecting compressors and pumps against back-flow. It is the repair/replacement assembly, not a complete valve and not a loose gasket, so the non-return (check) function can be renewed without cutting the housing out of the line. For R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Maximum working pressure 65 bar g (943 psig); media temperature -60 to 150 C (-76 to 302 F). net weight 1.856 kg, gross weight 1.962 kg. Specifications per Danfoss store code 148B5779.
Technical Specifications
- Type
- CHV-X 65 function module (Top Complete)
- Code number
- 148B5779
- Fits valve
- SVL Flexline CHV-X 65 check valve
- Function
- non-return (check) operating top part
- Parts included
- top part, 1 gasket, 4 bolts
- Maximum working pressure
- 65 bar g (943 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 1.856 kg, gross weight 1.962 kg
- Approvals
- CE
- EAN
- 5702428500562
- Brand
- SVL Flexline
- Product group
- Check valves
- Type designation
- Top Complete
- Max. working pressure
- 65.0 bar
- Temperature range
- -60 °C to 150 °C
- Refrigerants
- R1234yf; R1234ze(E); R125; R134a; R152a; R170; R22; R227ea; R236fa; R245fa; R290; R32; R401A; R402A; R404A; R407A; R407B; R407C; R407F; R407H; R409A; R410A; R413A; R417A; R421A; R422A; R422B; R422D; R438A; R442A; R444B; R447A; R447B; R448A; R449A; R449B; R450A; R452A; R452B; R452C; R454A; R454B; R454C; R455A; R463A; R502; R507A; R512A; R513A; R513B; R515A; R515B; R516A; R600; R600a; R717; R744
- REACH candidate-list substances
- No
- EU RoHS compliance
- Yes
- Net weight
- 1.856 Kilogram
- Approval
- CE
- China RoHS compliance
- Yes
- Max. Working Pressure [bar]
- 65 bar
- Max. Working Pressure [psig]
- 943 psig
- Temperature range [°C] [max]
- 150 °C
- Temperature range [°C] [min]
- -60 °C
- Temperature range [°F] [max]
- 302 °F
- Temperature range [°F] [min]
- -76 °F
- Used for product
- CHV-X 65
Standards & Compliance
- Material
- Steel
- Pressure Rating
- 65 bar
- Temperature Range
- -60 to 150 C
- HS Code
- 8481.90
Compatibility & Fitment
Danfoss SVL Flexline CHV-X 65 function module (Top Complete). Mounts on the matching CHV-X 65 valve housing / SVL multifunction valve body. Function modules are size-specific — confirm the housing nominal size class (65) before ordering. Shares the SVL Flexline platform with SVA-S/SVA-L shut-off, REG regulating and SCA-X/CHV-X check components of the same 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: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 148B5779?
- 148B5779 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 148B5779.
- What is the HS code for 148B5779?
- The customs tariff (HS) code for 148B5779 is 8481.90.
- Who manufactures 148B5779?
- 148B5779 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 148B5779?
- Yes — the 148B5779 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148B5779?
- The minimum order quantity is 1.
- Is 148B5779 available?
- Yes — 148B5779 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).