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Datasheet generated 2026-10-07
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Danfoss VFU 2 Flow/Return Globe Valve Body DN40 PN 16 Kvs 20 m³/h (2-Way flanged)

Danfoss · Valves · Globe Valves · Denmark · danfoss.com
Part Number
065B2742  ·  HS 8481.80
Danfoss VFU 2 Flow/Return Globe Valve Body DN40 PN 16 Kvs 20 m³/h (2-Way flanged)

Danfoss VFU 2 two-way flanged globe (seat) valve body, OEM order code 065B2742. Nominal size DN40, pressure class PN 16, flow coefficient Kvs 20 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 8 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 065B2742).

Technical Specifications

BrandDanfoss
Part number065B2742
TypeVFU 2
Product groupMotorized control valves
ApplicationDistrict Heating
Valve sizeDN 40
Pressure classPN 16
Nominal pressure16 bar
Kvs value20 m³/h
Connection typeFlange
Number of ports2
FunctionPressure relief
Spindle positionNormally closed
Stroke8 mm
Differential pressure (max)16 bar
Cavitation factor0.55
Media temperature2 °C to 200 °C
Permissible mediaDistrict heating/cooling circulation water
Medium alternativeGlycolic water up to 30%
Media pH range7 to 10
Leakage through port (max)0.03 % Kvs
Valve body materialGrey cast iron EN-GJL-250 (GG-25)
Valve cone materialStainless steel, mat. No. 1.4404
Valve seat materialStainless steel, mat. No. 1.4021
Net weight16.732 Kilogram
Gross weight21.741 Kilogram
EAN5702421810064
HS code8481.80 (taps, cocks, valves for pipes)

Properties

MaterialGrey cast iron EN-GJL-250 (GG-25); cone Stainless steel, mat. No. 1.4404; seat Stainless steel, mat. No. 1.4021
Pressure ratingPN 16 (16 bar); max differential pressure 16 bar
Temperature range2 °C to 200 °C
Standard sizeDN 40
MOQ1

Compatibility

Valve body for Danfoss self-acting / motorized control assemblies. Combine the VFU 2 DN40 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 (DN40), pressure class (PN 16) and flow coefficient (Kvs 20 m³/h); verify actuator stroke 8 mm before ordering.

Attached Documents