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Danfoss VFG 33 Three-Way Mixing Globe Valve Body DN40 PN 16 Kvs 20 m³/h (3-Way flanged)

Danfoss · Valves · Globe Valves · Denmark · danfoss.com
Part Number
065B2600  ·  HS 8481.80
Danfoss VFG 33 Three-Way Mixing Globe Valve Body DN40 PN 16 Kvs 20 m³/h (3-Way flanged)

Danfoss VFG 33 3-way flanged globe (seat) valve body, OEM order code 065B2600. Nominal size DN40, pressure class PN 16, flow coefficient Kvs 20 m³/h. The VFG 33 is a three-way mixing valve body (flow-dividing / flow-mixing service, function "Pressure relief" plus "Mixing valve", control ratio 1:50). It pairs with a matched self-acting (AFA / AFP / AFT / AVT) or electric (AMV / AME) actuator to form a temperature, pressure, differential-pressure or flow controller. Ductile cast iron EN-GJS-400-18-LT (GGG 40.3) body with stainless-steel, mat. no. 1.4404 cone and stainless-steel, mat. no. 1.4021 seat, linear flow characteristic, 12 mm stroke, spindle a-ab: 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 065B2600).

Technical Specifications

BrandDanfoss
Part number065B2600
TypeVFG 33
Product groupMotorized control valves
ApplicationDistrict Heating
Valve sizeDN 40
Pressure classPN 16
Nominal pressure16 bar
Kvs value20 m³/h
Connection typeFlange
Number of ports3
FunctionPressure relief
Function 2Mixing valve
Control ratio1:50
Flow characteristicLinear
Spindle positionA-AB: Normally closed
Stroke12 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)0.05 % Kvs
Leakage bypass port (max)0.05 %
Valve body materialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone materialStainless steel, mat. No. 1.4404
Valve seat materialStainless steel, mat. No. 1.4021
Net weight17.928 Kilogram
Gross weight18.075 Kilogram
EAN5702421805176
HS code8481.80 (taps, cocks, valves for pipes)

Properties

MaterialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3); 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 three-way mixing control-valve assemblies. Combine the VFG 33 DN40 body with a matched self-acting (AFA / AFP / AFT / AVT) or electric (AMV / AME) actuator 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 12 mm and media compatibility before ordering.

Attached Documents