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Datasheet generated 2026-10-09
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Danfoss FIA SS 50 straightway strainer, 50 mm (2 in) butt weld ASME B 36.19M Schedule 10, EN 10220, stainless steel, 52 bar (code 148B5758)

Danfoss · HVAC & Refrigeration · Filters & Driers · Denmark · danfoss.com
Part Number
148B5758  ·  HS 8421.39
Danfoss FIA SS 50 straightway strainer, 50 mm (2 in) butt weld ASME B 36.19M Schedule 10, EN 10220, stainless steel, 52 bar (code 148B5758)

Danfoss FIA SS 50 stainless-steel strainer (filter) for the SVL Flexline industrial-refrigeration range, store code 148B5758, straightway stainless-steel body with butt-weld connections to ASME B 36.19M Schedule 10, EN 10220. The FIA is an in-line strainer that protects downstream valves, pumps and compressors from pipe scale and weld debris; the replaceable insert is available in 38, 72, 100, 150, 250 and 500 micron and in a pleated version for higher dirt-holding. Stainless-steel construction suits R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils where a stainless wetted part is required. Nominal size 50 mm (2 in). Maximum working pressure 52 bar g (754 psig); media temperature -60 to 150 C (-76 to 302 F). net weight 3.05 kg, gross weight 3.449 kg. Conformity assessment PED 2014/68/EU, Category II. Specifications per Danfoss store code 148B5758.

Technical Specifications

TypeFIA SS 50 strainer (SVL Flexline), stainless steel
Code number148B5758
Nominal size50 mm (2 in)
Flow direction bodyStraightway
Connectionbutt weld both ends, ASME B 36.19M Schedule 10, EN 10220
Body materialstainless steel
Strainer inserts (ordered separately)38 / 72 / 100 / 150 / 250 / 500 micron, plain or pleated
Maximum working pressure52 bar g (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Applicable mediaR717 (ammonia), R744 (CO2), HFC/HCFC refrigerants and oils
Weightnet weight 3.05 kg, gross weight 3.449 kg
Conformity assessmentPED 2014/68/EU, Category II
ApprovalsCE
EAN5702428843324
Net weight3.05 Kilogram
Product groupStrainers
ApprovalCE
CE markYes
China RoHS complianceYes
Colour PaintReddish brown
Connection Code(2501:D29:50); (2502:S10S:50)
Connection materialStainless steel
Connection standardASME B 36.19M SCHEDULE 10
Cv value [gal/min] 100 plain154.54 gal/min
Cv value [gal/min] 100 pleated202.09 gal/min
Cv value [gal/min] 150 plain151.9 gal/min
Cv value [gal/min] 38 plain169.07 gal/min
Cv value [gal/min] 38 pleated221.02 gal/min
Cv value [gal/min] 72 plain160.26 gal/min
Cv value [gal/min] 72 pleated209.58 gal/min
DirectionStraightway
EquipmentCover
EU RoHS complianceYes
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]2 in
Inlet connection size [mm]50 mm
Inlet connection typeButt weld
Kv value [m3/h] µ100 plain34.5 m³/h
Kv value [m3/h] µ150 plain35.1 m³/h
Kv value [m3/h] µ150 pleated45.9 m³/h
Kv value [m3/h] µ250 plain36.4 m³/h
Kv value [m3/h] µ250 pleated47.6 m³/h
Kv value [m3/h] µ500 plain38.4 m³/h
Kv value [m3/h] µ500 pleated50.2 m³/h
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Outlet connection size [in]2 in
Outlet connection size [mm]50 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

MaterialStainless steel
Pressure rating52 bar
Temperature range-60 to 150 C
Primary standardASME B 36.19M Schedule 10, EN 10220
Standard size50 mm
MOQ1

Compatibility

Danfoss SVL Flexline FIA SS 50 stainless strainer. Order the required FIA INS strainer insert (38/72/100/150/250/500 micron, plain or pleated) separately. EN 10220 and ASME B 36.19M Schedule 10 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, REG regulating and SCA-X/CHV-X check valves of the same nominal size.

Standards

Approvals

Attached Documents