Exacting and Reliable Flow Control

Leslie Controls designs and manufactures valves for the power generation, industrial, marine, and oil and gas markets. From high quality regulators with 99% accuracy to severe service control valves that provide zero leakage, Leslie Controls products are known throughout the world.

Customers rely on Leslie Controls’ engineered solutions for their most difficult applications. With a strong and knowledgeable sales force, resourceful engineering personnel, and a highly responsive customer service department, Leslie Controls has earned a worldwide reputation for unmatched reliability.

Featured Content

Leslie Controls - HRH Case Study

CIRCOR | Leslie Controls partnered with a U.S. based consulting engineering services company to design and build a test system that could assess a critical dynamic performance condition before installing in a power plant.

Fluid Controls Institute

CIRCOR | Leslie Controls is a proud member of FCI

CIRCOR | Leslie Controls is a proud member of the Fluid Controls Institute (FCI), a non-profit association of fluid control equipment manufacturers. FCI has distinguished itself in the technical advancement of the fluid control industry through the development of standards to promote better products of higher quality and greater usefulness.

Featured Products

Leslie Controls - Aeroflow Control Valve, Cage Guided

The Aeroflow valve concept integrates proven state-of-the-art design in aerodynamic/hydrodynamic flow, field proven materials, digital positioning, and smart valve technology, with a modular design concept. In addition, the Aeroflow offers zero leakage tight shutoff - exceeding ANSI Class VI shutoff.

The sum benefit of Aeroflow’s technological advances is simply the most accurate, reliable, control valve product line available in the world today.

Leslie Controls -Econosteam Water Heater

Leslie EconoSteam™ Constantemp steam water heater, for use on 2-250 psig steam, consists of an integrally piped helical designed coil and heat exchanger, with feed forward blending valve actuated by differential pressure mounted on a heavy-duty steel frame with all traps, strainers, pressure and temperature gauges necessary, fully assembled and piped. Factory certified pressure tested for leaks.


CIRCOR has sales partners located in countries around the world. Search below to find the sales partner closest to you.

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