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Datasheet generated 2026-10-09
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Danfoss FIA 40 straightway strainer housing, 40 mm (1 1/2 in) socket weld ASME B 16.11, steel, 52 bar (code 148B5645)

Danfoss · HVAC & Refrigeration · Filters & Driers · Denmark · danfoss.com
Part Number
148B5645  ·  HS 8421.39
Danfoss FIA 40 straightway strainer housing, 40 mm (1 1/2 in) socket weld ASME B 16.11, steel, 52 bar (code 148B5645)

Danfoss FIA 40 strainer (filter) housing for the SVL Flexline industrial-refrigeration range, store code 148B5645, straightway steel 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. Nominal size 40 mm (1 1/2 in), socket weld connections to ASME B 16.11. Steel housing for R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Maximum working pressure 52 bar (754 psig); media temperature -60 to 150 C (-76 to 302 F). With the µ100 plain insert the flow coefficient Kv is about 19.2 m3/h. The FIA INS strainer insert (38/72/100/150/250/500 micron, plain or pleated) is ordered separately. Conformity assessment PED 2014/68/EU, Category II (DN 40). Specifications per Danfoss store code 148B5645.

Technical Specifications

TypeStrainer housing, FIA 40 (SVL Flexline)
Code number148B5645
Nominal size40 mm (1 1/2 in)
Flow patternStraightway
Connectionsocket weld (ASME B 16.11)
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)~19.2 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 40)
ApprovalsCE
EAN5702428476454
Net weight2.19 Kilogram
Product groupStrainers
ApprovalCE
CE markYes
China RoHS complianceYes
Colour PaintReddish brown
Connection Code(2003:X:40)
Connection materialSteel
Connection standardASME B 16.11
Cv value [gal/min] 100 plain85.86 gal/min
Cv value [gal/min] 100 pleated112.27 gal/min
Cv value [gal/min] 150 plain84.54 gal/min
Cv value [gal/min] 38 plain94.66 gal/min
Cv value [gal/min] 72 plain88.94 gal/min
Cv value [gal/min] 72 pleated116.24 gal/min
DirectionStraightway
EU RoHS complianceYes
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]1 1/2 in
Inlet connection size [mm]40 mm
Inlet connection typeSocket weld
Kv value [m3/h] µ100 plain19.2 m³/h
Kv value [m3/h] µ150 plain19.5 m³/h
Kv value [m3/h] µ150 pleated25.5 m³/h
Kv value [m3/h] µ250 plain20.2 m³/h
Kv value [m3/h] µ250 pleated26.4 m³/h
Kv value [m3/h] µ500 plain21.5 m³/h
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Outlet connection size [in]1 1/2 in
Outlet connection size [mm]40 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
Valve versionStandard version

Properties

MaterialSteel
Pressure rating52 bar
Temperature range-60 to 150 C
Primary standardASME B 16.11
Standard size40 mm
MOQ1

Compatibility

Danfoss SVL Flexline FIA 40 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