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Datasheet generated 2026-10-09
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Danfoss FIA 32 straightway strainer housing, 32 mm (1 1/4 in) NPT thread ANSI/ASME B1.20.1, 52 bar, steel (code 148B5549)

Danfoss · HVAC & Refrigeration · Filters & Driers · Denmark · danfoss.com
Part Number
148B5549  ·  HS 8421.39
Danfoss FIA 32 straightway strainer housing, 32 mm (1 1/4 in) NPT thread ANSI/ASME B1.20.1, 52 bar, steel (code 148B5549)

Danfoss FIA 32 strainer (filter) housing for the SVL Flexline industrial-refrigeration range, store code 148B5549, straightway body. The FIA holds a replaceable strainer insert that protects downstream components from dirt and weld slag during commissioning and operation; the insert is exchanged through a bolted cover. This code is nominal size 32 mm (1 1/4 in) with NPT thread connections to ANSI/ASME B1.20.1. Steel housing for R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). With the µ100 plain insert the flow coefficient Kv is about 17.6 m3/h. The FIA INS strainer insert (38/72/100/150/250/500 micron, plain or pleated) is ordered separately. Specifications per Danfoss store code 148B5549. Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.

Technical Specifications

TypeStrainer housing, FIA 32 (SVL Flexline)
Code number148B5549
SeriesFIA (SVL Flexline)
Nominal size32 mm (1 1/4 in)
Flow patternStraightway
ConnectionNPT thread (ANSI/ASME B1.20.1)
Housing materialSteel
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Flow coefficient Kv (with µ100 plain insert)~17.6 m3/h
Filter elementseparate FIA INS strainer insert (38/72/100/150/250/500 micron, plain or pleated) — not included
Equipmentbolted cover
Conformity assessmentPED 2014/68/EU, Category II (DN 32)
ApprovalsCE
ComplianceEU RoHS, China RoHS
EAN5702428476508
Net weight2.532 Kilogram
Product groupStrainers
ApprovalCE
CE markYes
China RoHS complianceYes
Colour PaintReddish brown
Connection Code(2020:P115:32)
Connection materialSteel
Connection standardANSI/ASME B1.20.1
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
Inlet connection size [mm]32 mm
Inlet connection typeNPT
Inlet Internal/ExternalInternal
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
Outlet connection size [mm]32 mm
Outlet connection typeNPT
Outlet Internal/ExternalInternal
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
Primary standardANSI/ASME B1.20.1
Standard size32 mm
Thread standardANSI/ASME B1.20.1
MOQ1

Compatibility

Danfoss SVL Flexline FIA 32 strainer housing. Pair with a FIA INS strainer insert in the required micron rating (38/72/100/150/250/500, plain or pleated). EN 10220 and ASME weld-end preparations are not interchangeable — confirm the mating pipe schedule before ordering. Shares the SVL Flexline platform with SVA-S/SVA-L shut-off valves and REG regulating valves of the same nominal size.

Standards

Approvals

Attached Documents