For years, pneumatic actuation dominated the heavy commercial and industrial arenas. Relying on the process of converting electricity into compressed air and a leak-prone distribution network of piping, these systems could be expensive to install and maintain.

Thanks to innovations in control systems, today’s electric actuation systems remove the inefficiency and cost of pneumatic actuators and allow for a seamless, automated control system at facilities — ultimately resulting in cost savings for building owners.

HRS Series actuators

For municipal water and wastewater treatment facilities in search of time and cost savings, Hayward Flow Control’s HRS Series electric actuators offer a dependable, customizable solution.

The HRS Series actuators are industrial quarter-turn electric actuation products suited for both thermoplastic and metal applications with a torque range of 300 to 177,000 lbf/in. They’re offered from low voltage at 12-volt AC and -volt DC to complete three-phase 575 volt. Within the HRS Series, Hayward offers 16 different torque rated units and nine different frame sizes.

Full-featured base model

While some electric actuators in the marketplace are sold in a bare-bones offering, Hayward offers a full-featured actuator as a base model. The units are standard with a NEMA 4X, IP67 enclosure and come with a color-coded and gradient-marked raised position indicator that's viewable from 360 degrees. They also fully comply with ISO 5211 standards.

In addition to the base product, Hayward offers more than 147 options to the product, including battery backup fail-safe systems, local control operator systems and custom electrical control interface solutions.

“The product is offered everywhere from the base, bread-and-butter, open-closed, 90-degree quarter turn, up to a custom-configured unit to meet a wide array of application requirements,” says Jeff Jones, business development manager for Hayward.

The fail-safe battery backup component provides complete operational security and reliability for true loss-of-power fail-safe protection. When a facility loses power, the battery backup system takes control and will position the actuator to the preselected position of the user’s choice. Upon return of the building’s main power, the backup system will automatically return control of the actuator to the building control system.

“That is extremely important when you deal with chemical storage,” Jones says. “When power goes out, gravity is still there, so you need to be able to isolate and control your process to avoid any potential damage or danger to the operators.”

Clutchless design

The epicyclic design of the HRS Series means no clutch is needed to operate the manual override system, eliminating a high-wear and high-failure component that many actuators in the marketplace rely on. This also creates a safe environment for the operator, who can operate the hand wheel at any time without having to engage a clutch.

When it comes to local control stations, Hayward offers four different styles, varying from knob control to push-button control to LED or LCD interface screens. All are equipped with illuminated visual indicators of power and alarms. 

Designed to provide years of service in the most rugged, harsh industrial environments, Hayward’s actuators are suited for chemical processing, waste and water treatment, power generation, marine, oil and gas, and more industries.

Hayward Flow Control, a division of Hayward Industries Inc., is based in Clemmons, North Carolina, and has been a leading manufacturer of industrial thermoplastic valves and process control products for more than 60 years. 

888-429-4635  |  hfcsales@hayward.com  |  www.haywardflowcontrol.com