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Industrial process control operations sometimes call for equipment to be placed in physical locations or environments that are not conducive to a long and productive component lifespan. Extremes of temperature, humidity, and vibration can have substantial effect on equipment performance and longevity. Deleterious impact can also arise from elements of the process itself, in the form of corrosive liquid or vapor prevalent in the processing area. While most industrial equipment is provided with some level of protection, there are instances where standard coatings and protective materials may not provide adequate resistance to the deteriorating impact of their installation environment.
Valves of many types are used throughout industrial processes to provide control of fluid flow, with quarter turn movement being one of the more prevalent.
Pneumatically powered quarter turn valves have an actuator option that provides a high level of corrosion resistance, along with the field proven performance of a recognized leading product.
Hytork™, an Emerson brand, offers their XL line of actuators with a special treatment to withstand aggressively corrosive environments. The corrosion resistant version has been labelled “XL Commando” and, in the company’s own words, has…
A durable Fluoropolymer impregnation (using CORROGARD-CG941) of the actuator body parts (inside and out) for maximum corrosion resistance. This durable impregnation can best be achieved in cast aluminum parts (all XL COMMANDO body parts are cast aluminum). As the aluminum metal grains are expanded under heat the CORROGARD-CG941 is applied, entering the grain structure and, upon cooling, is locked at the surface, integral with the grain structure. Extruded surfaces can only be coated and are more susceptible to scratches and other mechanical deterioration.
You can review the performance range, sizes, and other features of these pneumatic valve actuators through a review of the document included below. Bring your process challenges to a valve application specialist and combine your process knowledge with their product application expertise to achieve a solid practical solution.