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Datasheet generated 2026-10-08
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Danfoss SVL Flexline multifunction valve body, SVL 32 straightway socket weld, 32 mm (1 1/4 in), 52 bar, steel (code 148B5581)

Danfoss · HVAC & Refrigeration · Globe Valves · Denmark · danfoss.com
Part Number
148B5581  ·  HS 8481.90
Danfoss SVL Flexline multifunction valve body, SVL 32 straightway socket weld, 32 mm (1 1/4 in), 52 bar, steel (code 148B5581)

Danfoss SVL 32 multifunction valve body for the SVL Flexline industrial-refrigeration range, code 148B5581. This is the bare valve housing (body only, without function module) in a low-temperature steel casting; it is welded or threaded permanently into the line and then converted to any SVL Flexline function — shut-off (SVA-S/SVA-L), regulating (REG-SA/REG-SB), check & stop (SCA-X) or check (CHV-X) — by fitting the corresponding function module (complete top part). Keeping a common body across functions lets a plant standardise on one housing and change the valve duty later. This SKU is the straightway body with 32 mm (1 1/4 in) socket weld connections. Bi-flow body; maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Steel construction suits HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) systems. Straightway bodies place the inlet and outlet in line; socket-weld ends accept the pipe stub for socket welding (ASME B 16.11). Order the matching SVL function module separately for the required duty and nominal size.

Technical Specifications

TypeMultifunction valve body, SVL 32 (SVL Flexline)
Code number148B5581
SeriesSVL Flexline (multifunction valve body / housing)
FunctionBare valve body — accepts SVA-S/SVA-L, REG-SA/REG-SB, SCA-X or CHV-X function module
Nominal size32 mm (1 1/4 in)
Flow direction bodyStraightway
ConnectionSocket weld (ASME B 16.11)
Body materialSteel
FlowBi-flow body
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Applicable mediaHCFC, HFC, R717 (ammonia), R744 (CO2)
Fluid groups1, 2
Conformity assessmentPED category II
ApprovalsCE, UKCA
Net weight2.3 kg
EAN5702428485609
Product groupMultifunction valves
ApprovalCE
CE markYes
China RoHS complianceYes
Connection Code(2003:X:32)
Connection materialSteel
Connection standardASME B 16.11
DirectionStraightway
EU RoHS complianceYes
Flow directionBi-flow
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]1 1/4 in
Inlet connection size [mm]32 mm
Inlet connection typeSocket weld
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Outlet connection size [in]1 1/4 in
Outlet connection size [mm]32 mm
Outlet connection typeSocket weld
PED categoryII
REACH Candidate List substancesNo
RefrigerantsR113
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 productSVL 32

Properties

MaterialSteel
Pressure rating52 bar
Temperature range-60 to 150 C
Standard size32 mm
MOQ1

Compatibility

Danfoss SVL Flexline multifunction valve body. Select by nominal size (32 mm / 1 1/4 in), body direction (straightway) and connection (socket weld). The same body accepts any SVL Flexline function module of the matching size, so the valve duty (shut-off / regulating / check & stop / check) is set by the top part fitted, not by the body. Butt-weld, socket-weld and NPT-threaded housings are separate codes and are not interchangeable; EN (DIN) and ASME variants are also separate codes — confirm the mating pipe standard before ordering. Straightway and angleway bodies of the same size share the function-module range.

Approvals

Attached Documents