Compact Rotary Actuator suits skids, tight processing lines.

Press Release Summary:

Offering nested spring design, Fisher® 2052 can be installed on rotary-shaft valve bodies for throttling or on-off applications. Actuator linkage features clamped shaft lever and single pivot point to reduce lost motion between actuator and valve. Available in 3 sizes accommodating shaft sizes from 12.7-38.1 mm, actuator features powder paint coating that offers corrosion-resistant finish on all external steel and cast iron parts.

Original Press Release:

Emerson Introduces Compact Fisher® Rotary Actuator Ideal for Skids and Processing Lines Where Space is at a Premium

Versatile Fisher 2052 actuator offers low variability and long service life

MARSHALLTOWN, IOWA (May 26, 2009) - Emerson Process Management introduces the Fisher® 2052 spring-and-diaphragm rotary actuator. The compact actuator reduces valve/actuator envelope dimensions to provide greater valve installation versatility for both skids and tight processing lines where space is at a premium.

The new Fisher 2052 actuator can be installed on rotary-shaft valve bodies for throttling or on-off applications. The actuator linkage features a clamped shaft lever and a single pivot point to reduce lost motion between the actuator and the valve. The result is 0.5% or less typical variability for a Fisher rotary control valve assembly.

In addition to its small size, the Fisher 2052 delivers several operations and maintenance advantages. It has an inherent failsafe position on loss of operating air. In contrast to piston style actuators that rely on O-ring seals, the double-sided diaphragm in the 2052 provides a longer service life.

The Fisher 2052 actuator offers a unique, nested spring design that requires no bench set, simplifying the actuator selection process. Powder paint coating is standard and offers an excellent corrosion-resistant finish on all external steel and cast iron parts. The new Fisher 2052 actuator is available in three sizes, accommodating shaft sizes 12.7 to 38.1 mm (1/2 to 1-1/2 inch).

For additional information on the Fisher 2052 actuator go to or contact an Emerson Process Management sales office and request product bulletin 61.1:2052.

About Emerson Process Management

Emerson Process Management (, an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, water and wastewater treatment, food and beverage, life sciences and other industries. The company combines superior products and technology with industry specific engineering, consulting, project management and maintenance services. Its brands include PlantWeb®, Fisher®, Micro Motion®, Rosemount®, Daniel®, DeltaV(TM), Ovation®, and AMS® Suite.

About Emerson

Emerson (NYSE:EMR), based in St. Louis, Missouri (USA), is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses. Sales in fiscal 2008 were $24.8 billion and Emerson is ranked 94th on the Fortune 500 list of America's largest companies. For more information, visit

PlantWeb, Fisher, Rosemount, Micro Motion, Daniel, DeltaV, Ovation, and AMS are marks owned by one of the Emerson Process Management legal entities. Other marks are property of their respective owners.


John Wells,

Emerson Process Management, Fisher

1 (641) 754-3288,

Lisa Eisenbrey,

Emerson Process Management

1 (512) 834-7106,

Emerson Process Management,

12301 Research Blvd,

Bldg III,

Austin, TX 78759

United States

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