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About us

Company History

EIM became part of the Valve Automation division of Emerson Process Management in 2009.  Valve Automation, Inc. within Emerson Process Management is a division that consolidates the company's vast array of valve automation products and services. The division brings together well-known industry leaders Bettis™ , El-O-Matic™, FieldQ™, Hytork™, Shafer™ Dantorque™, and EIM™.

EIM™ has manufactured high quality valve actuators since 1949.  We introduced CONTROLINC, the first digital control system for valve actuators, in 1985. For over half a century, we have remained pioneers in product innovation and technical design improvement. 
 
With its comprehensive product scope, Valve Automation is a world leader in pneumatic, hydraulic, electric, and gas-hydraulic valve automation products and services. The division's focus is on providing valve automation products and services to complement Emerson's extensive capabilities in automation solutions for the process industries.

EIM is proud to have developed and patented a number of basic designs now standard to most of the actuator industry. These include:

  • Open direction torque switch (protection for both open and closed travel
  • Top entry replaceable stem nut (allows easy installation and replacement)
  • Reversing starter integral to actuator switch compartment
  • Automatic declutching handwheel (for safety)
  • First 4-20 mA analog modulating controls
  • First digital network control system.

We design and manufacture every product to exceed user expectations of superior performance and long operating life. EIM's ISO 9001 certification testifies to our high quality today and our commitment to constant improvement in the future.Known for rugged construction and long-term reliability, EIM actuators are produced by highly skilled and dedicated people at our corporate headquarters outside of Houston, Texas.

The commitment to innovative information technology allows EIM to lead the industry in competitive application solutions and on-time delivery. EIM's success is reinforced by our extensive distributor network. Distributors provide the resources necessary to design, install and service a project that will fulfill all customer requirements. Their expertise and after-sale service are especially important in the complex world of two-wire digital control networks.

EIM users have consistently described EIM products with one word, QUALITY. The final proof is always in the performance, reliability, and long life of the valve actuator. With over 50 years of experience EIM is the expert in actuator design and manufacturing that can meet all your valve control needs today and in the future.