Danfoss VFU 2 Flow/Return Globe Valve Body DN20 PN 16 Kvs 6.3 m³/h (2-Way flanged)
Danfoss

Danfoss VFU 2 Flow/Return Globe Valve Body DN20 PN 16 Kvs 6.3 m³/h (2-Way flanged)

Part number065B2739Item numberCB-DANF-065B2739EAN / GTIN5702421810033HS code8481.80
MaterialGrey cast iron EN-GJL-250 (GG-25); cone Stainless steel, mat. No. 1.4404; seat Stainless steel, mat. No. 1.4021
Valves
Globe Valves
MOQ:1

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Product Description

Danfoss VFU 2 two-way flanged globe (seat) valve body, OEM order code 065B2739. Nominal size DN20, pressure class PN 16, flow coefficient Kvs 6.3 m³/h. VFU 2 is the two-way flow/return control-valve body with a normally-closed spindle that combines with a matched electric (AMV/AME) or self-acting actuator for motorized control of district-heating/cooling circuits. Grey cast iron EN-GJL-250 (GG-25) body with stainless-steel, mat. no. 1.4404 cone and stainless steel, mat. no. 1.4021 seat. Stroke 6 mm, spindle normally closed. Rated for district heating media at 2 °C to 200 °C, maximum differential pressure 16 bar. Data quoted verbatim from store.danfoss.com (code 065B2739).

Technical Specifications

Brand
Danfoss
Part number
065B2739
Type
VFU 2
Product group
Motorized control valves
Application
District Heating
Valve size
DN 20
Pressure class
PN 16
Nominal pressure
16 bar
Kvs value
6.3 m³/h
Connection type
Flange
Number of ports
2
Function
Pressure relief
Spindle position
Normally closed
Stroke
6 mm
Differential pressure (max)
16 bar
Cavitation factor
0.6
Media temperature
2 °C to 200 °C
Permissible media
District heating/cooling circulation water
Medium alternative
Glycolic water up to 30%
Media pH range
7 to 10
Leakage through port (max)
0.03 % Kvs
Valve body material
Grey cast iron EN-GJL-250 (GG-25)
Valve cone material
Stainless steel, mat. No. 1.4404
Valve seat material
Stainless steel, mat. No. 1.4021
Net weight
9.13 Kilogram
Gross weight
9.13 Kilogram
EAN
5702421810033
HS code
8481.80 (taps, cocks, valves for pipes)

Standards & Compliance

Size / Series
DN 20
Material
Grey cast iron EN-GJL-250 (GG-25); cone Stainless steel, mat. No. 1.4404; seat Stainless steel, mat. No. 1.4021
Pressure Rating
PN 16 (16 bar); max differential pressure 16 bar
Temperature Range
2 °C to 200 °C
HS Code
8481.80

Compatibility & Fitment

Valve body for Danfoss self-acting / motorized control assemblies. Combine the VFU 2 DN20 body with a matched actuator (electric AMV / AME, or a matched self-acting unit) sized for the required duty. Select the body by nominal size (DN20), pressure class (PN 16) and flow coefficient (Kvs 6.3 m³/h); verify actuator stroke 6 mm 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 065B2739 — 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 065B2739?
065B2739 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 065B2739.
What is the HS code for 065B2739?
The customs tariff (HS) code for 065B2739 is 8481.80.
Who manufactures 065B2739?
065B2739 is a Danfoss product in the Valves range.
Is a datasheet available for 065B2739?
Yes — the 065B2739 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 065B2739?
The minimum order quantity is 1.
Is 065B2739 available?
Yes — 065B2739 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).