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Datasheet generated 2026-10-08
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Danfoss SNV-ST stop needle valve, 1/4 in NPT male x 1/4 in NPT female, long neck, low-temperature steel (code 148B4567)

Danfoss · HVAC & Refrigeration · Needle Valves · Denmark · danfoss.com
Part Number
148B4567  ·  HS 8481.80
Danfoss SNV-ST stop needle valve, 1/4 in NPT male x 1/4 in NPT female, long neck, low-temperature steel (code 148B4567)

Danfoss SNV-ST stop needle valve for industrial-refrigeration service, code 148B4567. The SNV series is a hand-operated stop/needle service valve used for gauge, purge, charging and isolation points on refrigeration plant; it has a sturdy back-seating (metal-to-metal) spindle, needs no specific flow direction (bi-flow) and gives favourable, throttleable flow characteristics. This SKU has 1/4 in NPT male x 1/4 in NPT female, long neck connections. Housing and bonnet are low-temperature steel, built to the Pressure Equipment Directive and the usual classification-authority requirements. Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Applicable to HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2). Connection thread standard ANSI/ASME B1.20.1. Specifications per Danfoss store code 148B4567. Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.

Technical Specifications

TypeSNV-ST stop needle valve
Code number148B4567
SeriesSNV (stop / gauge needle valve, industrial refrigeration)
Nominal connection size1/4 in
Connections1/4 in NPT male x 1/4 in NPT female, long neck
Connection standardANSI/ASME B1.20.1
Body / bonnet materialSteel
SeatBack-seating, metal to metal
FlowBi-flow (no specified flow direction)
Maximum working pressure52 bar (754 psig)
Media temperature range-60 to 150 C (-76 to 302 F)
Applicable mediaHCFC, non-flammable HFC, R717 (ammonia), R744 (CO2)
Fluid groups1, 2
Conformity assessmentPED Article 4, paragraph 3 (sound engineering practice)
ApprovalsEAC; TUV-tested per Danfoss code page
Net weight0.683 kg
EAN5702428484541
Product groupShut-off and regulating valves
ApprovalEAC
Body materialSteel
China RoHS complianceYes
Colour PaintCr3 / TLP
Connection materialSteel
DirectionAngleway
EquipmentCap
EU RoHS complianceYes
Flow directionBi-flow
Fluid Group1
Identical product148B4232
Inlet connection size [in]1/4
Inlet connection typeNPT
Inlet Internal/ExternalExternal
Inlet length [in]4 in
Inlet length [mm]100 mm
Max. Working Pressure [bar]52 bar
Max. Working Pressure [psig]754 psig
Outlet connection size [in]1/4
Outlet connection typeNPT
Outlet Internal/ExternalInternal
PED categoryArt. 4, par. 3
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 versionExtended branch

Properties

MaterialSteel
Pressure rating52 bar
Temperature range-60 to 150 C
Standard size1/4 in
Thread standardANSI/ASME B1.20.1
MOQ1

Compatibility

Danfoss SNV stop/gauge needle valve. Select by connection type and size (1/4 in NPT male x 1/4 in NPT female, long neck) and by housing material — SNV-ST is low-temperature steel (52 bar / -60..150 C) and SNV-SS is stainless steel (65 bar / -60..200 C) for corrosive or higher-duty service. Each connection combination is a separate order code; confirm port type (NPT male/female) and size before ordering. Compatible with HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) refrigeration systems.

Approvals

Attached Documents