Danfoss SVA-S SS 25 angleway shut-off valve, 25 mm (1 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar (code 148B6477)
Danfoss

Danfoss SVA-S SS 25 angleway shut-off valve, 25 mm (1 in) butt weld ASME B 36.19M Schedule 40, stainless steel, 52 bar

Part number148B6477Item numberDANFOSS-148B6477EAN / GTIN5702428963008HS code8481.80
ASME B 36.19M Schedule 4025 mm
MaterialStainless steel
MOQ:1

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Product Description

Danfoss SVA-S SS 25 angleway shut-off (stop) valve for industrial refrigeration, code 148B6477. Stainless steel body with butt weld connections to ASME B 36.19M Schedule 40, nominal size 25 mm (1 in). Maximum working pressure 52 bar (754 psig); media temperature range -60 to 150 C (-76 to 302 F). Flow coefficient Kv 24.8 m3/h (Cv 28.77 gal/min), bi-flow. Renewable seat and cone close tightly and withstand system pulsation and vibration; the valve can be dismantled and repaired in line. Part of the Danfoss SVL Flexline programme. For HCFC, non-flammable HFC, R717 (ammonia) and R744 (CO2) systems.

Technical Specifications

Type
SVA-S SS 25 shut-off valve (SVL Flexline)
Code number
148B6477
Series
SVA-S SS
Direction
Angleway
Connection type
Butt weld
Connection standard
ASME B 36.19M Schedule 40
Nominal size
25 mm (1 in)
Body material
Stainless steel
Maximum working pressure
52 bar (754 psig)
Media temperature range
-60 to 150 C (-76 to 302 F)
Kv value
24.8 m3/h (Cv 28.77 gal/min)
Flow direction
Bi-flow
PED assessment
Article 4, paragraph 3 (sound engineering practice)
Approvals
PED Art. 4 par. 3
EAN
5702428963008
Net weight
3.133 Kilogram
Product group
Shut-off and regulating valves
China RoHS compliance
Yes
Colour Paint
Reddish brown
Connection material
Stainless steel
Cv value [gal/min]
28.77 gal/min
Equipment
Cap
EU RoHS compliance
Yes
Flow direction indicator
Embossed 1-way arrow
Fluid Group
1
Inlet connection size [in]
1 in
Inlet connection size [mm]
25 mm
Inlet connection type
Butt weld
Kv value [m³/h]
24.8 m³/h
Max. Working Pressure [bar]
52 bar
Max. Working Pressure [psig]
754 psig
Neck
Standard
Outlet connection size [in]
1 in
Outlet connection size [mm]
25 mm
Outlet connection type
Butt weld
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

Standard
ASME B 36.19M Schedule 40
Size / Series
25 mm
Material
Stainless steel
Pressure Rating
52 bar
Temperature Range
-60 to 150 C
HS Code
8481.80

Compatibility & Fitment

Danfoss SVL Flexline SVA-S SS valve. This code is the angleway SVA-S SS 25 with butt weld (ASME B 36.19M Schedule 40) ends. Confirm line size (25 mm (1 in)), connection type/standard, direction (angleway) and refrigerant before ordering.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: Danfoss SVA-S / SVA-L Shut-off Valve — Data Sheet

Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 148B6477?
148B6477 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 148B6477.
What is the HS code for 148B6477?
The customs tariff (HS) code for 148B6477 is 8481.80.
Who manufactures 148B6477?
148B6477 is a Danfoss product in the HVAC & Refrigeration range.
Is a datasheet available for 148B6477?
Yes — the 148B6477 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 148B6477?
The minimum order quantity is 1.
Is 148B6477 available?
Yes — 148B6477 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).