Danfoss VFS 2 PN 25 2-Way Seated Flanged Control Valve DN 50, Kvs 40
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Product Description
Danfoss VFS 2 two-way seated flanged control-valve body, OEM order code 065B1550. VFS 2 PN25 50/40 2-way seated flange. Nominal size DN 50, Kvs 40 m³/h, nominal pressure PN 25 (25 bar), max. differential pressure 4 bar, valve stroke 15 mm. Equal percentage flow characteristic, control ratio 100:1, seat leakage 0.05. Body of Ductile cast iron EN-GJS-400-18-LT (GGG 40.3), cone Stainless steel, stem null. For steam circuits on district heating/cooling circulation water, media temperature -10 °C to 200 °C. The valve body is motorised by a matched Danfoss AMV/AME electric actuator sized to the 15 mm stroke. Net weight 10.93 Kilogram. Data quoted verbatim from store.danfoss.com (code 065B1550).
Technical Specifications
- Brand
- Danfoss
- Part number
- 065B1550
- Type
- VFS 2
- Product group
- Motorized control valves
- Valve function
- Two-way (2-port) seated flanged control-valve body
- Application
- Steam
- Permissible media
- District heating/cooling circulation water
- Nominal size
- DN 50
- Kvs value
- 40 m³/h
- Nominal pressure
- PN 25 (25 bar)
- Max. differential pressure
- 4 bar
- Stroke
- 15 mm
- Connection
- Flange
- Flow characteristic
- Equal percentage
- Control ratio
- 100:1
- Max. leakage through port
- 0.05 % Kvs
- Valve body material
- Ductile cast iron EN-GJS-400-18-LT (GGG 40.3)
- Valve cone material
- Stainless steel
- Media temperature
- -10 °C to 200 °C
- Net weight
- 10.93 Kilogram
- Gross weight
- 11.578 Kilogram
- EAN
- 5702421512715
- HS code
- 8481.80 (taps, cocks, valves for pipes)
Standards & Compliance
- Material
- Ductile cast iron EN-GJS-400-18-LT (GGG 40.3); cone Stainless steel
- Pressure Rating
- PN 25 (25 bar); max differential pressure 4 bar
- Temperature Range
- -10 °C to 200 °C
- HS Code
- 8481.80
Compatibility & Fitment
Two-way seated valve body — requires a matched Danfoss electric actuator (AMV/AME series, e.g. AME 55/85 or AME 685/855 for large sizes) sized to the 15 mm valve stroke. Confirm stroke (15 mm), Kvs (40 m³/h), nominal size (DN 50) and pressure class (PN 25) against the circuit design before ordering.
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: 2026-08-24. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 065B1550?
- 065B1550 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 065B1550.
- What is the HS code for 065B1550?
- The customs tariff (HS) code for 065B1550 is 8481.80.
- Who manufactures 065B1550?
- 065B1550 is a Danfoss product in the Valves range.
- Is a datasheet available for 065B1550?
- Yes — the 065B1550 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 065B1550?
- The minimum order quantity is 1.
- Is 065B1550 available?
- Yes — 065B1550 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).