Marine Boiler Burner Rotary Actuator, Servo Motor
SAACKE GmbH
Refurbished
The SAACKE HD 60 D2 is a rotary actuator / servomotor used in burner and boiler combustion-control applications where controlled mechanical positioning is required.
The unit photographed by SM MARINE SERVICE™ carries the following identification:
Manufacturer: SAACKE
Type / Model: HD 60 D2
Description: Drehantrieb / Rotary Actuator / Servomotor
Sach-Nr. / Part No.: 7-6965-502673
Torque: 20 Nm
Supply: 230 V AC, 1 Phase
Frequency: 50/60 Hz
Rotation: 120°
Setting Time: 88 seconds for 120°
Power Consumption: 6.6 W
Protection: IP54
F.-Nr.: 1207052
These values are taken directly from the supplied unit's nameplate.
The HD 60 D2 converts an electrical control command into controlled rotary mechanical movement.
A documented SAACKE HD 60 D2 application uses the servo drive to open and close an oil compound regulator, with 20 Nm torque and 120° travel in 88 seconds.
In marine boiler/burner installations, precise actuator movement is important because the combustion-control system needs mechanical components to move to commanded positions as burner load changes.
SAACKE HD 60 D2 reference unit showing the same model family and its technical nameplate.
The SAACKE HD 60 D2 combines relatively slow, controlled rotary movement with 20 Nm torque, making it suitable for burner-control mechanisms where accurate positioning is more important than high-speed movement.
Important features of the photographed version include:
Other HD 60 D2 versions found in service can have different part numbers or enclosure ratings, so the complete nameplate must always be checked before replacement. For example, documented HD 60 D2 units include Part No. 7-6965-502577, while other repair records identify 7-6965-524074.
SAACKE HD 60 D2 servomotors can be associated with applications such as:
Marine Auxiliary Boilers
Oil-Fired Burners
Boiler Combustion Control
Fuel Regulation Mechanisms
Burner Positioning Systems
Oil Compound Regulators
Burner Management Systems
Marine Steam Systems
Industrial Boiler Plants
For any replacement, the actual mechanical linkage and electrical configuration must be matched to the installed system.
SAACKE is widely associated with burner and combustion-control equipment, so customers searching for an HD 60 D2 may also be maintaining other SAACKE burner-control components.
Relevant spare-part requirements can include:
Servomotors • Rotary Actuators • Burner Controllers • Flame Scanners • Flame Monitors • Fuel Control Components • Burner Control Units • Automation Modules
SAACKE HD 60 D2 units previously listed by SM MARINE SERVICE™.
This is particularly important when purchasing an old marine spare.
The model HD 60 D2 exists under multiple Sach-Nr./item-number references. Publicly documented examples include:
7-6965-502673 — the SM MARINE SERVICE™ photographed unit
7-6965-502577 — documented HD 60 D2 variant
7-6965-502573 — documented HD 60 D2 listing
7-6965-524074 — documented HD 60 D2 repair/replacement reference
7-6965-524270 — documented 230 V / 20 Nm HD 60 D2 reference
7-6965-502345 — documented 230 VAC / 20 Nm HD 60 D2 unit
Important: Sharing the same HD 60 D2 model designation does not automatically mean every part number is plug-and-play interchangeable. Voltage, IP protection, internal switching arrangement, shaft/linkage and application should be checked before ordering.
Check the 230 VAC supply, control command, internal switches, mechanical linkage and actuator motor.
Inspect the coupling, shaft, linkage and regulator mechanism for looseness or mechanical damage.
Check actuator mounting, mechanical adjustment, limit arrangement and actual 120° travel requirement.
The HD 60 D2 photographed unit is intentionally rated for 120° movement in 88 seconds. Slow movement should therefore not automatically be diagnosed as a fault.
However, jerky or inconsistent travel may indicate mechanical resistance, worn internal components or a problem in the driven mechanism.
Check the actuator shaft/linkage alignment and position-indicator mechanism.
For boiler burner equipment, adjustment should be performed by personnel familiar with the combustion system because incorrect actuator positioning can affect burner operation.
SM MARINE SERVICE™ can support sourcing of SAACKE HD 60 D2 servomotors and related marine boiler/burner equipment, subject to stock and exact technical configuration.
Possible supply requirements include:
SAACKE HD 60 D2 Complete Servomotor
SAACKE Rotary Actuator
Burner Servo Drive
Oil Compound Regulator Actuator
Burner Control Unit
Flame Scanner / Flame Detector
Combustion Controller
SAACKE Automation Modules
Boiler Burner Spare Parts
Available Condition:
New • Used • Refurbished • Reconditioned • Tested Working
When requesting a replacement, please send the model, Sach-Nr./Part No., voltage, torque, rotation time, IP rating and clear nameplate photograph.
Many vessels continue operating proven SAACKE boiler and burner installations for long service periods.
When an original actuator fails, replacing the correct servomotor may be far more practical than modifying the complete burner-control mechanism. This creates continued demand for exact and legacy SAACKE HD 60 D2 units, particularly where an older Sach-Nr. is required.
SM MARINE SERVICE™ already lists the SAACKE HD 60 D2 Servomotor within its marine equipment inventory.
What is SAACKE HD 60 D2?
It is a rotary actuator / servomotor used in burner and combustion-control applications.
What is the torque of HD 60 D2?
The photographed unit is rated at 20 Nm.
What is the voltage?
The photographed Part No. 7-6965-502673 is marked 230 V AC, 50/60 Hz.
How fast does it rotate?
The photographed actuator specifies 120° in 88 seconds.
What does Drehantrieb mean?
“Drehantrieb” is German for a rotary drive/rotary actuator.
Is HD 60 D2 used with marine boilers?
Yes. The model is found in burner/boiler applications, including documented use for operating an oil compound regulator.
Are all HD 60 D2 part numbers interchangeable?
Not necessarily. The exact Sach-Nr., voltage, IP rating and mechanical/electrical configuration should be compared before replacement.
Can SM MARINE SERVICE™ supply used or reconditioned SAACKE servomotors?
Yes, subject to current stock and exact specification requirements.
SAACKE HD 60 D2 Drehantrieb / Servomotor, Part No. 7-6965-502673, 20 Nm, 230 VAC, 50/60 Hz, 120° travel in 88 seconds, IP54 rotary actuator for marine boiler burner and combustion-control applications. SM MARINE SERVICE™ supplies SAACKE servomotors, rotary actuators, burner controllers, flame scanners and marine boiler spare parts in new, used, refurbished and reconditioned condition with worldwide shipping.
Marine Automation & Navigation Equipment Supplier
Available Condition:
• New Equipment • Used Equipment • Refurbished Equipment • Reconditioned Equipment
Stock Location:
• Bangladesh • China
Services:
• Worldwide Shipping • Technical Support • Spare Parts Supply • Marine Equipment Sourcing
Contact Information
SM MARINE SERVICE™ Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh
Mobile / WhatsApp / Viber: +88 01818 929292
Email: info@smmarineservice.com
Website: www.smmarineservice.com
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