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Datasheet generated 2026-10-09
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Danfoss SVA-S 65 shut-off (stop) valve, 65 mm (2 1/2 in) butt weld ASME B 36.10M Schedule 40, steel, 52 bar (code 148B5831)

Danfoss · HVAC & Refrigeration · Globe Valves · Denmark · danfoss.com
Part Number
148B5831  ·  HS 8481.80
Danfoss SVA-S 65 shut-off (stop) valve, 65 mm (2 1/2 in) butt weld ASME B 36.10M Schedule 40, steel, 52 bar (code 148B5831)

Danfoss SVA-S 65 shut-off (stop) valve for the SVL Flexline industrial-refrigeration range, store code 148B5831. Steel straightway body with butt-weld connections both ends to ASME B 36.10M Schedule 40, giving manual shut-off (isolation) of liquid, suction, hot-gas and oil lines. Nominal size 65 mm (2 1/2 in); flow coefficient Kv 97 m3/h. Equipped with cap; Straightway, bi-flow (bidirectional). Suited to R717 (ammonia), R744 (CO2) and fluorinated refrigerants and their oils. Maximum working pressure 52 bar g (754 psig); media temperature -60 to 150 C (-76 to 302 F); gross weight 8.634 kg. Conformity assessment PED 2014/68/EU, Category II. Specifications per Danfoss store code 148B5831.

Technical Specifications

TypeSVA-S 65 shut-off (stop) valve
Code number148B5831
Nominal size65 mm (2 1/2 in)
Connectionbutt weld both ends, ASME B 36.10M Schedule 40
Body materialSteel
Flow directionStraightway, bi-flow (bidirectional)
EquipmentCap
Flow coefficientKv 97 m3/h
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
Weightgross weight 8.634 kg
Conformity assessmentPED 2014/68/EU, Category II
ApprovalsCE, EAC
EAN5702428468213
Net weight2.652 Kilogram
Product groupShut-off and regulating valves
ApprovalCE
CE markYes
China RoHS complianceYes
Colour PaintReddish brown
Connection materialSteel
Connection standardASME B 36.10M SCHEDULE 40
Cv value [gal/min]112.52 gal/min
DirectionStraightway
EU RoHS complianceYes
Flow direction indicatorEmbossed 1-way arrow
Fluid Group1
Inlet connection size [in]2 1/2 in
Inlet connection size [mm]65 mm
Inlet connection typeButt weld
Kv value [m³/h]97 m³/h
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
NeckStandard
Outlet connection size [in]2 1/2 in
Outlet connection size [mm]65 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
Primary standardASME B 36.10M Schedule 40
Standard size65 mm
MOQ1

Compatibility

Danfoss SVL Flexline SVA-S 65 valve. Butt-weld ASME B 36.10M Schedule 40 ends — confirm the mating pipe schedule before ordering. Serviceable with the matching SVA-S 65 function module (Top Complete) and gasket/spindle spares. Shares the SVL Flexline platform with SVA-S/SVA-L shut-off, REG regulating, SCA-X/CHV-X check and FIA strainer components of the same nominal size.

Standards

Approvals

Attached Documents