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Article: Electric actuators combine power with sensitivity: Samson's electric actuators boast many features designed for safety and long life, including motor overload protection and optional spring-powered fail-safe action.(Europe and Achema 2006 Special Advertising Section)(Advertisement)
- Article from:
- Chemical Engineering
- Article date:
- February 1, 2006
CopyrightCOPYRIGHT 2006 Access Intelligence, LLC. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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In building automation, water and gas supply, power generation, and many other industrial plants where the supply of compressed air is not required, electric actuators are the prime choice for the continuous operation of valves. Samson (Hall 10.2 F16-J18) provides a full range of electric actuators for the lower and medium thrust ranges, both with and without spring mechanisms for fail-safe action. The actuators are equipped with synchronous motors that run at constant speed.
The lower gearing levels are designed using simple helical gears, while planetary gears are preferred for higher gear ratios. The torque acting on the ring gear of the planetary set is ...