Distributor of Emerson Valves


ASCO is the worldwide leader in the design and manufacture of quality fluid control products such as, RedHat solenoid valves, miniature valves, fuel gas and oil products, and redundant control systems.

ASCO products are designed to control the flow of air, gas, water, oil and steam. Our heritage of innovation has resulted in an extensive line of ASCO products that range from two position on/off valves to entire flow control solutions designed to meet requirements of thousands of customers. Whether you need a minor modification of a core product or a complete flow control solution, we can help.


Hytork™ pneumatic rack and pinion valve actuators combined with TopWorx solenoid and switchbox accessories are the premium quality offering for automation of industrial valve applications in process plant. Designed for long life use, incorporating customer input, the body of the cast aluminum actuator provides extra drilled mounting holes for both top and bottom mounted accessories and can be directly mounted to butterfly valves. Actuator recognition at a distance is made easier by way of cast-in size identification. Springs carry a life-time guarantee and maintenance either in-field or in-workshop can be swiftly carried out by way of the patented “Safekey” quick release end cap facility. Hytork™ actuators can also be provided with a unique internal and external “Commando” corrosion protection coating, to combat aggressive corrosive environments.


You asked for a reliable, intelligent, cost-effective valve monitoring products, and we delivered. Through extensive customer research, we have created the TopWorx valve controller family of products. By combining our design and manufacturing expertise with the best switchbox, switchbox enclosures, bus networking, sensor, and solenoid technology available to create the finest valve controllers in the market. TopWorx automated on/off valve controllers are designed to provide the best fit-for-purpose approach in a wide range of process, application, and service conditions, regardless of actuator / valve type or manufacturer.

Our portfolio of TopWorx D-Series and T-Series products ensure safety, reliability, performance, and service life objectives are met. Our modular design and worldwide certifications allow for easy model and option selection, to reduce complexity and drive standardization. It all starts with our product design, which targets modular design, seamless integration, performance reliability, and ease of configuration/maintenance. This approach along with our 60+ years of experience, results in the finest family of valve controllers available on the market today.

Go Switch:

To be reliable means ‘capable of being trusted-dependable.’ To be durable means ‘capable of withstanding wear and tear- long lasting.’ When it comes to position sensing, reliability, and durability are the perfect words to describe GO Switch leverless limit switches. You see, GO Switches have a unique, hybrid design that combines the advantages of mechanical limit switches with the advantages of inductive proximity sensors- and leaves their drawbacks behind. By combining the best of the two technologies, GO Switches deliver reliable, durable performance in demanding conditions that are too extreme for mechanical limit switches or inductive proximity sensors. So if your plant processes include conditions that are extremely hot, cold, wet, dirty, corrosive, abusive, or explosive; be sure to demand technology with an advantage.