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Datasheet generated 2026-10-09
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Danfoss REG-SB SS straightway hand regulating valve, 20 mm (3/4 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar (code 148B6488)

Danfoss · HVAC & Refrigeration · Globe Valves · Denmark · danfoss.com
Part Number
148B6488  ·  HS 8481.80
Danfoss REG-SB SS straightway hand regulating valve, 20 mm (3/4 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar (code 148B6488)

Danfoss REG-SB SS straightway hand regulating valve for industrial refrigeration, code 148B6488. Stainless steel body with butt weld connections to ASME B 36.19M Schedule 40, 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 1.5 m3/h. The 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

TypeREG-SB SS hand regulating valve (SVL Flexline)
Code number148B6488
SeriesREG-SB SS
DirectionStraightway
Connection typeButt weld
Connection standardASME B 36.19M Schedule 40
Nominal size20 mm (3/4 in)
Body materialStainless steel
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Kv value1.5 m3/h
Flow directionBi-flow
PED assessmentArticle 4, paragraph 3 (sound engineering practice)
ApprovalsEAC
EAN5702428990288
Net weight1.804 Kilogram
Product groupShut-off and regulating valves
ApprovalEAC
China RoHS complianceYes
Colour PaintReddish brown
Connection Code(2502:S40S:20)
Connection materialStainless steel
Cv value [gal/min]1.75 gal/min
EquipmentCap
EU RoHS complianceYes
Fluid Group1
Inlet connection size [in]3/4 in
Inlet connection size [mm]20 mm
Inlet connection typeButt weld
Kv value [m³/h]1.5 m³/h
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Outlet connection size [in]3/4 in
Outlet connection size [mm]20 mm
Outlet connection typeButt weld
PED categoryArt. 4, par. 3
REACH Candidate List substancesNo
RefrigerantsR134a
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 versionStandard version

Properties

MaterialStainless steel
Pressure rating52 bar
Temperature range-60 to 150 C
Primary standardASME B 36.19M Schedule 40
Standard size20 mm
MOQ1

Compatibility

Danfoss SVL Flexline REG-SB SS valve. This code is the straightway REG-SB SS with butt weld (ASME B 36.19M Schedule 40) ends. Confirm line size (20 mm (3/4 in)), connection type/standard, direction (straightway) and refrigerant before ordering.

Approvals

Attached Documents