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Datasheet generated 2026-10-08
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Danfoss Actuator, PN 25, for AVA, AVD, 3 – 11 bar setting range, self-acting-controller spare (003H6845)

Danfoss · HVAC & Refrigeration · Balancing Valves · Denmark · danfoss.com
Part Number
003H6845  ·  HS 8481.90
Danfoss Actuator, PN 25, for AVA, AVD, 3 – 11 bar setting range, self-acting-controller spare (003H6845)

Danfoss actuator (003H6845) — genuine PN 25 spare assembly for the Danfoss self-acting controller range. It is the diaphragm actuator / setting-spring "top works" that mounts on the controller valve body: the actuator senses the controlled differential pressure through the Ø6 mm copper impulse tubes and modulates the valve cone, and the adjustment part carries the setting spring that fixes the working range. Fits Danfoss AVA, AVD controllers, bypass / return / flow (per controller configuration). Adjustable setting range 3 – 11 bar. OEM designation "Actuator PN25 3-11 AVA, AVD byp/ret/flo". Net weight 4.745 kg. Contains lead per the REACH candidate list. OEM P/N 003H6845. Technical data quoted verbatim from store.danfoss.com (code 003H6845). Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.

Technical Specifications

Code number003H6845
TypeActuators and adjustment parts
ItemActuator
Product groupAccessories — SAC (self-acting controllers)
FunctionDiaphragm actuator / setting-spring assembly for self-acting controllers (top works)
For product typeAVA, AVD
Mounting versionBypass / return / flow (per controller configuration)
Pressure classPN 25
Pressure setting range3 – 11 bar
Differential-pressure setting range3 – 11 bar
Impulse-tube connectionØ6 mm copper (compression fittings)
OEM descriptionActuator PN25 3-11 AVA, AVD byp/ret/flo
REACH Candidate List substanceLead (CAS no. 7439-92-1)
Volume9.574 L
Net weight4.745 kg
Gross weight4.745 kg
EAN5702421553008
HS code8481.90
DescriptionActuator PN25 3-11 AVA, AVD byp/ret/flo
Differential pressure setting [bar] [Max]11 bar
Differential pressure setting [bar] [Min]3 bar
Pressure setting range [bar] [Max]11 bar
Pressure setting range [bar] [Min]3 bar
REACH Candidate List substancesLead (CAS no. 7439-92-1)

Properties

Pressure ratingPN 25
MOQ1

Compatibility

Genuine Danfoss actuator/adjustment-part spare (003H6845) for the AVA, AVD self-acting controller family, bypass / return / flow (per controller configuration). Match the controller type, mounting version and setting range (3 – 11 bar) to the valve body on site before ordering — the actuator top works and the valve body are ordered separately. Connects to the controlled/impulse pressure via Ø6 mm copper impulse tubes (compression fittings). Pressure class PN 25.

Attached Documents