Fisher

Fisher

Fisher, an Emerson brand, is a world-leading manufacturer of control valves, actuators, regulators, and digital valve controllers used throughout the oil & gas, chemical, power generation, and process industries. With a history dating back to 1880, Fisher final control products are recognized globally for precision flow control, reliability, and safety in the most demanding process environments. Its extensive product portfolio includes sliding-stem and rotary control valves, pneumatic and electro-pneumatic actuators, FIELDVUE digital valve controllers, and pressure-reducing regulators engineered to deliver stable, efficient, and safe plant operation. Seven Star LLC supplies authentic Fisher valves, actuators, and instrumentation across Oman and the GCC, providing clients with genuine Emerson-backed process control solutions and local technical support.

About Fisher: Company and Product Range

Fisher is a control valve brand owned by Emerson. Emerson dates the Fisher story to 1880 and its founder William Fisher. The brand is closely linked with Marshalltown, Iowa, USA, where Emerson operates a manufacturing plant and its innovation center for Fisher technology, including a large flow test laboratory. Fisher products cover control valves, actuators, regulators and valve instruments for the process industries.

The Fisher products listed here include sliding-stem control valves (easy-e EZ, HPT, HPAT and the GX valve and actuator system), rotary valves (Vee-Ball V150 and V200, CV500 eccentric plug, 8560 butterfly), the 1061 piston rotary actuator, the 3610J pneumatic positioner and FIELDVUE DVC2000 and DVC6200 digital valve controllers. They are used in oil and gas, refining, chemical, power and other process plants.

Fisher Product Range at Seven Star

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Looking for Fisher parts not listed here, or pricing for a project? Send us the part numbers and quantities. Seven Star LLC sources genuine Fisher products for customers across Oman and the GCC and replies with a formal quotation.

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Frequently Asked Questions

What is a Fisher FIELDVUE digital valve controller?
FIELDVUE controllers such as the DVC6200 are HART or fieldbus positioners that control valve position and provide valve diagnostics. They help detect friction, air leaks and actuator problems early.
Which Fisher valve types are common in oil and gas plants?
Sliding-stem globe valves like the easy-e series, rotary V-ball and butterfly valves, and severe-service valves are widely used. Selection depends on pressure drop, noise and cavitation needs.
What are Fisher pressure regulators used for?
Fisher regulators reduce and control gas or liquid pressure for fuel gas, instrument air, pilot supply and distribution systems. Self-operated designs need no external power.
Can Fisher valves be supplied with SIL-rated components?
Yes, FIELDVUE controllers and many Fisher valve assemblies have SIL certification for safety instrumented systems. Partial stroke testing is supported on selected models.
How is a Fisher control valve sized?
Valves are sized using process data such as flow, inlet pressure, pressure drop and fluid properties, typically with Emerson's Fisher Specification Manager. Correct sizing ensures stable control and long trim life.