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Datasheet generated 2026-10-08
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Danfoss FIA 32 straightway strainer housing, 32 mm (1 1/4 in) butt weld, 52 bar, steel (code 148B5544)

Danfoss · HVAC & Refrigeration · Filters & Driers · Denmark · danfoss.com
Part Number
148B5544  ·  HS 8421.39
Danfoss FIA 32 straightway strainer housing, 32 mm (1 1/4 in) butt weld, 52 bar, steel (code 148B5544)

Danfoss FIA 32 straightway strainer housing for the SVL Flexline industrial-refrigeration range, code 148B5544. The FIA is an in-line strainer fitted ahead of automatic controls, pumps and compressors to protect them from weld scale, swarf and dirt — at initial plant start-up and, with a fine insert, for permanent filtration. This SKU is the steel housing with bolted cover, 32 mm (1 1/4 in) butt weld connections to EN 10220. The filter element is the separate FIA INS strainer insert (available 38, 72, 100, 150, 250 and 500 micron, plain or pleated) and is removed for cleaning without breaking the line connections. Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). For HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) systems.

Technical Specifications

TypeStrainer housing, FIA 32 (SVL Flexline)
Code number148B5544
SeriesFIA (SVL Flexline)
Nominal size32 mm (1 1/4 in)
Flow patternStraightway
ConnectionButt weld (EN 10220)
Housing materialSteel
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Filter elementseparate FIA INS strainer insert (38/72/100/150/250/500 micron, plain or pleated) — not included
Equipmentbolted cover
Product groupFilters and strainers
ApprovalsCE
ComplianceEU RoHS, China RoHS
Net weight2.65 kg
EAN5702428476638
ApprovalCE
CE markYes
China RoHS complianceYes
Colour PaintReddish brown
Connection Code(2001:D26:32)
Connection materialSteel
Connection standardEN 10220
Cv value [gal/min] 100 plain80.13 gal/min
Cv value [gal/min] 100 pleated105.23 gal/min
Cv value [gal/min] 150 plain77.49 gal/min
Cv value [gal/min] 38 plain85.86 gal/min
Cv value [gal/min] 72 plain83.21 gal/min
Cv value [gal/min] 72 pleated108.75 gal/min
DirectionStraightway
EU RoHS complianceYes
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]1 1/4 in
Inlet connection size [mm]32 mm
Inlet connection typeButt weld
Kv value [m3/h] µ100 plain17.6 m³/h
Kv value [m3/h] µ150 plain18.2 m³/h
Kv value [m3/h] µ150 pleated23.9 m³/h
Kv value [m3/h] µ250 plain18.9 m³/h
Kv value [m3/h] µ250 pleated24.7 m³/h
Kv value [m3/h] µ500 plain19.5 m³/h
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 typeButt 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
Valve versionStandard version

Properties

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

Compatibility

Danfoss SVL Flexline FIA strainer housing. Select by nominal size (32 mm / 1 1/4 in), flow pattern (straightway) and connection (butt weld, EN 10220). Steel body. Order the matching FIA INS strainer insert separately for the required filtration grade (coarse 500 micron for start-up clean-down; fine 38-150 micron for permanent filtration). Butt-weld and socket-weld bodies are not interchangeable — confirm the pipe-end preparation before ordering.

Approvals

Attached Documents