Danfoss VF 3 PN 16 3-Way Seated Flanged Mixing Valve DN 125, Kvs 220 (065B3125)
Danfoss

Danfoss VF 3 PN 16 3-Way Seated Flanged Mixing Valve DN 125, Kvs 220

Part number065B3125Item numberCB-DANF-065B3125EAN / GTIN5702421509647HS code8481.80
MaterialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3); cone GGG 40; stem Stainless steel
Valves
Globe Valves
MOQ:1

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Product Description

Danfoss VF 3 three-way seated flanged control-valve body, OEM order code 065B3125. VF 3 PN16 125/220 3-way seated flange Nominal size DN 125, Kvs 220 m³/h, nominal pressure PN 16 (16 bar), valve stroke 40 mm. Mixing valve (secondary pressure-relief function). Equal percentage flow characteristic, control ratio 100:1, seat leakage 0.05 % Kvs max; max closing Δp 3 bar mixing / 0.6 bar diverting. Materials: body Ductile cast iron EN-GJS-400-18-LT (GGG 40.3), cone GGG 40, stem Stainless steel, stuffing-box seal PFTE. For heating and cooling circuits on district heating/cooling circulation water (alt. glycolic water up to 50%), media temperature -10 °C to 200 °C. Motorised by a matched Danfoss AMV/AME electric actuator sized to the valve stroke. Net weight 59.1 Kilogram. Data quoted verbatim from store.danfoss.com (code 065B3125).

Technical Specifications

Brand
Danfoss
Part number
065B3125
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
Application
Heating and cooling
Permissible media
District heating/cooling circulation water
Alternative medium
Glycolic water up to 50%
Nominal size
DN 125
Kvs value
220 m³/h
Nominal pressure
PN 16 (16 bar)
Max. closing differential pressure (mixing)
3 bar
Max. closing differential pressure (diverting)
0.6 bar
Stroke
40 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
GGG 40
Valve stem material
Stainless steel
Stuffing-box sealing material
PFTE
Media temperature
-10 °C to 200 °C
Net weight
59.1 Kilogram
Gross weight
64.6 Kilogram
EAN
5702421509647
HS code
8481.80 (taps, cocks, valves for pipes)

Standards & Compliance

Material
Ductile cast iron EN-GJS-400-18-LT (GGG 40.3); cone GGG 40; stem Stainless steel
Pressure Rating
PN 16 (16 bar)
Temperature Range
-10 °C to 200 °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 (40 mm). Confirm stroke (40 mm), Kvs (220 m³/h), nominal size (DN 125) and pressure class (PN 16) against the circuit design 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 065B3125 — OEM Product Page

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 065B3125?
065B3125 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 065B3125.
What is the HS code for 065B3125?
The customs tariff (HS) code for 065B3125 is 8481.80.
Who manufactures 065B3125?
065B3125 is a Danfoss product in the Valves range.
Is a datasheet available for 065B3125?
Yes — the 065B3125 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 065B3125?
The minimum order quantity is 1.
Is 065B3125 available?
Yes — 065B3125 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).