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Datasheet generated 2026-10-08
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Danfoss VGU Control Valve Body DN 50 PN 25 Kvs 20 m³/h (2-Way threaded)

Danfoss · Valves · Globe Valves · Denmark · danfoss.com
Part Number
065B0796  ·  HS 8481.80
Danfoss VGU Control Valve Body DN 50 PN 25 Kvs 20 m³/h (2-Way threaded)

Danfoss VGU two-way threaded seat (globe) control valve body, OEM order code 065B0796. Nominal size DN 50, pressure class PN 25, flow coefficient Kvs 20 m³/h. The VGU is the valve-body element of a Danfoss cooling control-valve assembly: it pairs with a matched electric AMV / AME (or self-acting) actuator to form a temperature, pressure or flow controller. Ductile cast iron EN-GJS-400-18-LT (GGG 40.3) body with DZR brass CuZn36Pb2AS (CW 602N) cone and stainless-steel, mat. 1.4571 seat, approx. linear flow characteristic, 5 mm stroke, spindle normally closed, piston pressure relief. Rated for district heating/cooling circulation water at 2 °C to 150 °C, maximum differential pressure 16 bar. Connection G 2 1/2 A (ISO 228/1). OEM P/N 065B0796. Data quoted verbatim from store.danfoss.com (code 065B0796). 1.4571; Standard size: DN 50; Thread: ISO 228/1; Pressure rating: PN 25 (25 bar); max differential pressure 16 bar; Temperature range: 2 °C to 150 °C; Approval: CE; Approvals: CE; HS code: 8481.80. Deployed in process, utility and marine piping loops for on-off shutoff, control, safety relief or diversion service.

Technical Specifications

BrandDanfoss
Part number065B0796
TypeVGU
Product groupMotorized control valves
ApplicationCooling
FunctionControl valve
Valve sizeDN 50
Pressure classPN 25
Nominal pressure25 bar
PN alternative (VSP)16
Kvs value20 m³/h
Connection typeExternal Thread
Connection sizeG 2 1/2 A
Connection standardISO 228/1
Number of ports2
Flow characteristicApprox. linear
Cavitation factor0.6
Spindle positionNormally closed
Pressure relief systemPiston
Stroke5 mm
Diameter50 mm
Differential pressure (max)16 bar
Media temperature2 °C to 150 °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
Mounting versionFree
Valve body materialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone materialDZR brass CuZn36Pb2AS (CW 602N)
Valve seat materialStainless steel, mat. No. 1.4571
Sealing materialEPDM
Net weight4.045 Kilogram
Gross weight4.045 Kilogram
Volume4.946 Liter
EAN5702421543788
HS code8481.80 (taps, cocks, valves for pipes)

Properties

MaterialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3); cone DZR brass CuZn36Pb2AS (CW 602N); seat Stainless steel, mat. No. 1.4571
Pressure ratingPN 25 (25 bar); max differential pressure 16 bar
Temperature range2 °C to 150 °C
Standard sizeDN 50
Thread standardISO 228/1
MOQ1

Compatibility

Valve body for a Danfoss cooling control-valve assembly. Combine the VGU DN 50 body with a matched electric AMV / AME (or self-acting) actuator sized for the required duty. Select by nominal size (DN 50), pressure class (PN 25) and flow coefficient (Kvs 20 m³/h); verify actuator stroke 5 mm and media compatibility before ordering.

Approvals

Attached Documents