Danfoss REG-SB SS 25 straightway hand regulating valve, 25 mm (1 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar
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Product Description
Danfoss REG-SB SS 25 straightway hand regulating valve for industrial refrigeration, code 148B6479. Stainless steel body with butt weld connections to ASME B 36.19M Schedule 40, nominal size 25 mm (1 in). Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Flow coefficient Kv 20 m3/h (Cv 23.2 gal/min), bi-flow. Regulating cone gives fine, repeatable flow adjustment and can also close for shut-off; renewable seat and cone are serviceable in line. Part of the Danfoss SVL Flexline programme. For HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) systems.
Technical Specifications
- Type
- REG-SB SS 25 hand regulating valve (SVL Flexline)
- Code number
- 148B6479
- Series
- REG-SB SS
- Direction
- Straightway
- Connection type
- Butt weld
- Connection standard
- ASME B 36.19M Schedule 40
- Nominal size
- 25 mm (1 in)
- Body material
- Stainless steel
- Maximum working pressure
- 52 bar (754 psig)
- Media temperature range
- -60 to 150 C (-76 to 302 F)
- Kv value
- 20 m3/h (Cv 23.2 gal/min)
- Flow direction
- Bi-flow
- PED assessment
- Article 4, paragraph 3 (sound engineering practice)
- Approvals
- EAC
- EAN
- 5702428963022
- Net weight
- 1.882 Kilogram
- Product group
- Shut-off and regulating valves
- Approval
- EAC
- China RoHS compliance
- Yes
- Colour Paint
- Reddish brown
- Connection material
- Stainless steel
- Cv value [gal/min]
- 23.2 gal/min
- Equipment
- Cap
- EU RoHS compliance
- Yes
- Flow area [in2]
- 0.823 in²
- Flow area [mm2]
- 531 mm²
- Flow direction indicator
- Embossed 1-way arrow
- Fluid Group
- 1
- Inlet connection size [in]
- 1 in
- Inlet connection size [mm]
- 25 mm
- Inlet connection type
- Butt weld
- Kv value [m³/h]
- 20 m³/h
- Max. Working Pressure [bar]
- 52 bar
- Max. Working Pressure [psig]
- 754 psig
- Neck
- Standard
- Outlet connection size [in]
- 1 in
- Outlet connection size [mm]
- 25 mm
- Outlet connection type
- Butt weld
- 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
- Valve version
- Standard version
Standards & Compliance
- Standard
- ASME B 36.19M Schedule 40
- Size / Series
- 25 mm
- Material
- Stainless steel
- Pressure Rating
- 52 bar
- Temperature Range
- -60 to 150 C
- HS Code
- 8481.80
Compatibility & Fitment
Danfoss SVL Flexline REG-SB SS valve. This code is the straightway REG-SB SS 25 with butt weld (ASME B 36.19M Schedule 40) ends. Confirm line size (25 mm (1 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: 2026-08-24. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 148B6479?
- 148B6479 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 148B6479.
- What is the HS code for 148B6479?
- The customs tariff (HS) code for 148B6479 is 8481.80.
- Who manufactures 148B6479?
- 148B6479 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 148B6479?
- Yes — the 148B6479 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148B6479?
- The minimum order quantity is 1.
- Is 148B6479 available?
- Yes — 148B6479 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).