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Control Valves and Accessories - Bringing You the Best Value and Performance
A successful process piping system is the result of combined planning and implementation by suppliers and end users. Superior Emerson products applied and maintained with expertise and skill make the difference in a loop, unit and plant-wide application. That’s why we work with you to understand your needs and develop the most efficient and cost effective solution for your operation. We draw on all of our resources and years of experience to help you make the best valve, regulator and process management system choices possible. You can depend on our experts to assist you in making these important decisions. 

Fisher Specification ManagerFisher Specification Manager
Designed for engineers, Fisher Specification Manager software offers a powerful set of tools for producing an ISA specification sheet faster, improving noise prediction calculations and exporting dimensional data for Fisher and Baumann™ control valves. You’ll find it easy to learn and use. Fisher Specification Manager software helps take the worry out of control valve specification.
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Time-Tested and Innovative Solutions
Emerson delivers time-tested and innovative solutions designed to help customers reduce plant maintenance cost, reduce capital requirements, reduce cost of regulatory compliance, and increase process availability. This is enabled by world class products such as Fisher control valves, instrumentation and performance services, which are the most reliable in the process control industry.
Free Sizing Software Downloads

Severe Service Control Valves
SempellSempell draws from over 140 years of experience in the design and manufacture of high performance valves for regulating and controlling media under high pressure and extreme temperatures in all situations. With this know-how, Sempell products develops reliable isolation-, non-return-, turbine bypass- and startup control valves for the latest generation of high efficiency supercritical and ultra-supercritical power plants. The range of safety products includes specialty high-pressure safety valves, high-flow safety valves, and a complete range of controlled safety relief valves for the most challenging applications. Sempell provides valves for the nuclear industry and has pioneered new technology for pilot-operated pressurizer safety relief valves for new generation nuclear reactors

 Control Valves - Most Reliable in the Process Control Industry
FisherControl Valves are valves used in pipelines to control operating conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to a process signal.

Fisher: Sliding Stem Valves, Rotary Valves & Sanitary ValvesSliding Stem Valves
Globe, angle, and 3-way valves offer a broad range--from DN15 to 600 (NPS 1/2 to 24) low-flow valves to DN 500 (NPS 20) and larger for demanding high-pressure steam and hydrocarbon service.

Rotary Valves
When capacity and performance are the requirements rotary valves are the answer. Popular rotary products include butterfly, eccentric plug, full bore pipeline, high performance butterfly and segmented ball.

Sanitary Valves
Sanitary valves are designed to meet the stringent demands of today's state-of-the-art Life Science facilities.


Fisher  Digital Valve Controllers
Digital valve controllers use microprocessors and have become the dominant replacement technology for conventional and electro-pneumatic positioners since the mid 1990s. Fisher FIELDVUE™ digital valve controllers integrate functionality far beyond the traditional analog or pneumatic positioner. The benefits of using a FIELDVUE digital valve controller include: Availability of equipment alerts to notify the user of pending issues, automated configuration, calibration and tuning , and access to advanced levels of valve assembly diagnostics. This provides consistent and predictable knowledge of valve assembly performance and condition regardless who performs the task.

Fisher: FIELDVUE ValveLink Software, FOUNDATION Fieldbus Communication, HART Communication ProtocolFisher™ FIELDVUE™ ValveLink™ Software
ValveLink Software allows you to streamline maintenance activities and optimize process control operations.

FOUNDATION™ Fieldbus Communication
FIELDVUE DVC6200f fieldbus digital valve controllers are approved for non-incendive, intrinsic safety, flameproof and explosion proof applications.

HART® Communication Protocol
FIELDVUE DVC6200 and DVC2000 digital valve controllers are HART communication instruments approved for non-incendive, intrinsic safety, flameproof and explosion proof applications.


FisherTM Positioners
Positioners are most commonly used to move a control valve to a specified position so that a process meets specific parameters (flow, pressure, temperature). Fisher positioners have the reputation of providing the most accurate, robust, and reliable performance in the industry.

Fisher: Electro-Pneumatic Positioners & Pneumatic Positioners
Electro-Pneumatic Positioners
Electromechanical positioners are conventional pneumatic positioners that have an additional integrated electro-pneumatic transducer.

Pneumatic Positioners
Conventional pneumatic positioners receive a pneumatic control signal and translate that into the appropriate pneumatic output signal to the control valve actuator.

Field Instrumentation
Fisher field mounted instruments provide monitoring and control to final control devices. Transducers, controllers, volume boosters, solenoids and switches are used to monitor and control flow, temperature, pressure and level variables in the process industry.

Fisher Field Instrumentation: Level Sensors, Level Switches, Level Transmitters, Liquid Level Controllers Pneumatic Temperatire Contollers & Valve AccessoriesLevel Sensors
Fisher Level Sensors, in conjunction with either FIELDVUE DLC3000 Series digital level controllers or 2500 Series controllers and transmitters, are designed to measure changes.

Level Switches
On-off switch that senses high or low liquid levels. A displacer is used as the sensor and is located in an external cage that mounts to the outside of a vessel.

Level Transmitters
Both digital electronic and pneumatic displacement level controllers are used for accurate level measurement or precision level loop control.

Liquid Level Controller - Electric
The electric on-off level controller is used to sense liquid level and when used in conjuction with the Fisher easy-Drive™ electric actuator form a fully electric level control loop which eliminates pneumatic controller and dump valve venting.

Liquid Level Controllers - Pneumatic
The pneumatic level controllers sense the level of a liquid or a liquid-to-liquid interface, compare the level with a desired value (set point) and produce a pneumatic signal that can operate an actuator control valve.

Pneumatic Pressure Controllers
Once again Emerson Automation Solutions reinforces its long-standing commitment to technological excellence with a complete line of pressure controllers.

Pneumatic Temperature Controllers
Pneumatic temperature controllers compare process temperature with an operator- adjusted set point. The controller delivers a pneumatic signal to a control element.

Valve Accessories
Emerson manufactures a broad range of accessories for use with control valves.

An actuator is a mechanical device used to control a valve, damper, etc.

Fisher Actuators: Pniematic Actuators, Electric Actuators & Manual Actuators
Pneumatic Actuators
A pneumatic actuator provides high stem force output for demanding service conditions. These actuators are usually air operated but some can be self operated by the process fluid.

Electric Actuators
An electric actuator provides a stem force output for a variety of process applications by using electricity as the power source.

Manual Actuators
Fisher manual actuators are used in applications that require manual positioning of valves.

Fisher  Severe Service
For decades Emerson’s severe service team has been providing global customers with Fisher severe service control valve solutions. Whether it is severe service applications for the power, hydrocarbon, chemical or pulp and paper industry, Emerson’s technical experts have provided sound solutions to address critical applications for aerodynamic noise, cavitation and out-gassing issues, as well as particulate erosion areas.

Fisher Severe Service: Aerodynamic Noise Control, Cavitation Control, Engineered Solutions & Steam ConditioningAerodynamic Noise Control
Control valve technologies used to reduce the noise of compressible flows via several techniques of frequency shifting, discreet pressure staging, trim passage shape and/or adequate expansion areas.

Cavitation Control
Cavitation control trim constructions are designed to eliminate, or minimize the damaging effects of cavitating applications.

Engineered Solutions
Complete valve solutions, custom engineered for the customer's specific application.

Steam Conditioning
Steam Conditioning is the combination of pressure reduction and temperature reduction of superheated steam to fit process needs and protect downstream equipment


Fisher  Nuclear Products
Emerson offers a full array of Fisher valve types in a variety of construction materials, flow characteristics and end connections. Complementary actuators and accessories are also available. Virtually all Fisher valve products can be built to the ASME Section III requirements.  For over 35 years, Emerson has supported nuclear facilities, worldwide with Fisher nuclear valves and associated services. In fact, Fisher valves are installed in over 90% of the world’s nuclear facilities. Thousands of ASME Section III N-Stamped and RCCM process control valves have been shipped around the globe. Product Offerings>