Danfoss VF 3 PN 16 3-Way Seated Flanged Mixing Valve DN 25, Kvs 10
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Product Description
Danfoss VF 3 three-way seated flanged control-valve body, OEM order code 065Z0257. VF 3 PN16 25/10 3-way seated flange Nominal size DN 25, Kvs 10 m³/h, nominal pressure PN 16 (16 bar), valve stroke 10 mm. Mixing valve (secondary pressure-relief function). Equal percentage flow characteristic, control ratio 100:1, seat leakage bubble tight design; max closing Δp 4 bar mixing / 1 bar diverting. Materials: body Grey cast iron EN-GJL-250 (GG-25), cone Brass, stem Stainless steel, stuffing-box seal EPDM. For heating and cooling circuits on district heating/cooling circulation water (alt. glycolic water up to 50%), media temperature -10 °C to 130 °C. Motorised by a matched Danfoss AMV/AME electric actuator sized to the valve stroke. Net weight 4.855 Kilogram. Data quoted verbatim from store.danfoss.com (code 065Z0257).
Technical Specifications
- Brand
- Danfoss
- Part number
- 065Z0257
- Type
- VF 3
- Product group
- Other valves
- Valve function
- Three-way (3-port) seated flanged control-valve body
- Primary function
- Mixing valve
- Secondary function
- Pressure relief
- Mounting version
- Flow
- Application
- Heating and cooling
- Permissible media
- District heating/cooling circulation water
- Alternative medium
- Glycolic water up to 50%
- Nominal size
- DN 25
- Kvs value
- 10 m³/h
- Nominal pressure
- PN 16 (16 bar)
- Max. closing differential pressure (mixing)
- 4 bar
- Max. closing differential pressure (diverting)
- 1 bar
- Stroke
- 10 mm
- Connection
- Flange
- Flow characteristic
- Equal percentage
- Control ratio
- 100:1
- Max. leakage through port
- bubble tight design
- Valve body material
- Grey cast iron EN-GJL-250 (GG-25)
- Valve cone material
- Brass
- Valve stem material
- Stainless steel
- Stuffing-box sealing material
- EPDM
- Media temperature
- -10 °C to 130 °C
- Net weight
- 4.855 Kilogram
- Gross weight
- 4.855 Kilogram
- EAN
- 5710104007496
- HS code
- 8481.80 (taps, cocks, valves for pipes)
Standards & Compliance
- Material
- Grey cast iron EN-GJL-250 (GG-25); cone Brass; stem Stainless steel
- Pressure Rating
- PN 16 (16 bar)
- Temperature Range
- -10 °C to 130 °C
- HS Code
- 8481.80
Compatibility & Fitment
Three-way seated valve body — requires a matched Danfoss electric actuator (AMV/AME series) sized to the valve stroke (10 mm). Confirm stroke (10 mm), Kvs (10 m³/h), nominal size (DN 25) and pressure class (PN 16) 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 065Z0257?
- 065Z0257 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 065Z0257.
- What is the HS code for 065Z0257?
- The customs tariff (HS) code for 065Z0257 is 8481.80.
- Who manufactures 065Z0257?
- 065Z0257 is a Danfoss product in the Valves range.
- Is a datasheet available for 065Z0257?
- Yes — the 065Z0257 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 065Z0257?
- The minimum order quantity is 1.
- Is 065Z0257 available?
- Yes — 065Z0257 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).