Danfoss SNV-ST stop needle valve, 1/4 in NPT male x 1/4 in NPT female, low-temperature steel
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Product Description
Danfoss SNV-ST stop needle valve for industrial-refrigeration service, code 148B3746. 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 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 148B3746. Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.
Technical Specifications
- Type
- SNV-ST stop needle valve
- Code number
- 148B3746
- Series
- SNV (stop / gauge needle valve, industrial refrigeration)
- Nominal connection size
- 1/4 in
- Connections
- 1/4 in NPT male x 1/4 in NPT female
- Connection standard
- ANSI/ASME B1.20.1
- Body / bonnet material
- Steel
- Seat
- Back-seating, metal to metal
- Flow
- Bi-flow (no specified flow direction)
- Maximum working pressure
- 52 bar (754 psig)
- Media temperature range
- -60 to 150 C (-76 to 302 F)
- Applicable media
- HCFC, non-flammable HFC, R717 (ammonia), R744 (CO2)
- Fluid groups
- 1, 2
- Conformity assessment
- PED Article 4, paragraph 3 (sound engineering practice)
- Approvals
- EAC; TUV-tested per Danfoss code page
- Net weight
- 0.39 kg
- EAN
- 5702428179317
- Product group
- Shut-off and regulating valves
- Approval
- EAC
- Body material
- Steel
- China RoHS compliance
- Yes
- Colour Paint
- Cr3 / TLP
- Connection material
- Steel
- Direction
- Angleway
- Equipment
- Cap
- EU RoHS compliance
- Yes
- Flow direction
- Bi-flow
- Fluid Group
- 1
- Identical product
- 148B4180
- Inlet connection size [in]
- 1/4
- Inlet connection type
- NPT
- Inlet Internal/External
- External
- Max. Working Pressure [bar]
- 52 bar
- Max. Working Pressure [psig]
- 754 psig
- Outlet connection size [in]
- 1/4
- Outlet connection type
- NPT
- Outlet Internal/External
- Internal
- PED category
- Art. 4, par. 3
- REACH Candidate List substances
- No
- Refrigerants
- R113
- 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 version
- Standard version
Standards & Compliance
- Size / Series
- 1/4 in
- Material
- Steel
- Thread Standard
- ANSI/ASME B1.20.1
- Pressure Rating
- 52 bar
- Temperature Range
- -60 to 150 C
- HS Code
- 8481.80
Compatibility & Fitment
Danfoss SNV stop/gauge needle valve. Select by connection type and size (1/4 in NPT male x 1/4 in NPT female) 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.
Product Documentation
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Technical guides
- Cross-Referencing Danfoss Refrigeration Components by IMPA and OEM Code
- Danfoss Product Code Decoder — 003Z, 013G, 017B, 023U, 027L, 032F, 060G, 060H, 065B, 065Z, 068Z, 084H, 132F, 148B Series (Complete Reference)
- Danfoss Maneurop MTZ Reciprocating Compressors — Model Range, Voltage Codes and Replacement Guide
Catalogue entry last verified: 2026-08-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 148B3746?
- 148B3746 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Danfoss product?
- The manufacturer part number is 148B3746.
- What is the HS code for 148B3746?
- The customs tariff (HS) code for 148B3746 is 8481.80.
- Who manufactures 148B3746?
- 148B3746 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 148B3746?
- Yes — the 148B3746 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 148B3746?
- The minimum order quantity is 1.
- Is 148B3746 available?
- Yes — 148B3746 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).