3S Antriebe GmbH
About
3S Antriebe GmbH, based in Berlin, Germany, develops and manufactures electric actuator systems purpose-built for underground valves in water, gas, and district heating networks. The company’s defining innovation is a patented ground-installation method that allows actuators to be buried directly beneath standard street caps or manhole covers, eliminating costly shaft construction and making retroactive automation of buried valves significantly more affordable and practical. The product range includes the 3S 300 D and 3S 500 D rotary actuators, both IP 68 waterproof rated to 2 meters depth, designed for butterfly valves, ball valves with gearboxes, and gate valves. These can be flange-mounted per EN ISO 5210 or installed underground using the patented method, with a standard square socket on top for manual override. The 3S AIG XS is a lightweight, compact portable valve turning device with intelligent digital electronics that also serves as a valve maintenance and condition assessment instrument, while the original 3S AIG is a portable motorized operator for larger gate valves, compatible with System Berliner Kappe and force multipliers. ISO 9001 certified, 3S Antriebe operates across more than 30 countries with over 40 partners and 300 completed projects, positioning itself within the smart grid and infrastructure digitalization space.
Key Products
An electric rotary actuator rated IP 68 waterproof designed for underground installation on flaps, ball valves with gearboxes, and gate valves in water, gas, and district heating networks, installable directly beneath street caps without shaft construction.
A higher-capacity electric rotary actuator rated IP 68 waterproof for underground valve automation, offering increased torque for larger valves in water and gas distribution networks with the same patented ground-installation method.
A lightweight, compact portable actuator for operating small to medium-diameter gate valves in water and gas networks, featuring intelligent digital electronics that also function as a valve maintenance and condition assessment device.
A portable motorized gate valve operating tool that enables personnel to turn large valves without physical exertion, compatible with the System Berliner Kappe and force multipliers for even larger valve sizes.
A proprietary underground installation technique that allows actuators to be buried directly beneath standard street caps, eliminating the need for shaft construction and drastically reducing the cost of retrofitting buried valves with automation.
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