Skip to main content

SX Series

Open/Close/Jog/Modulating, Heavy Duty,
Spring Return for Hazardous Locations

Overview  |  Brochure  |  Video (Coming Soon)  |  Data Sheets IOM Manuals  |  3D CAD Files  |  Case Studies

SX Series | Hazardous Locations

Open/Close/Jog/Modulating,
Heavy Duty, Spring Return

SX Series Hazardous Location industrial electric mechanical spring return actuators are offered in 4 frame sizes and 4 different torque ratings providing 475 in-lbs thru 2,300 in-lbs. SX Series actuators are available in 24 VAC, 24 VDC, 120 VAC, 230 VAC; these are also offered in complete 3 phase configurations in 220, 380 or 460 VAC. All SX Series are available in Open / control configuration (please contact the factory for additional control requirements). Units will provide mechanical failsafe positioning to either a full CW or CCW position upon loss of mains power. All units are available with or without a manual override handwheel.

All units comply to CSA Class 1, Division 1, Groups C, D T4 temperature standards as well as Class 2 Division 1Groups E, F, G with T130 degree temperature standards. The units are also fully ATEX rated for Class 1, Zone 1 Ex dbIIB T4 Gb (Canada) and Class 1, Zone 1 AEx db IIB T4 Gb (for US); Ex tb IIIC T130C Db(for Canada). All units come standard with an industrial powder coated heavy duty, IP68 rated aluminum enclosure, ISO mounting and female drive output. A 360-degree viewable raised position indicator, 2 auxiliary switches, and anti-condensation heater are standard on all units.

*All SE & SX available with & without handwheel

Data Sheets

(Use the file explorer to navigate to the file needed & click download.)

IOM Manuals

(Use the file explorer to navigate to the file needed & click download.)

3D CAD Models

(Use the file explorer to navigate to the file needed & click download.)

Check out these Case Studies!

1-1/2” SS Trunnion, ANSI 1500#, Metal Seated, Zero Leakage, Completed in Less Than 3 Months Case StudiesSesto Forged
November 26, 2025

1-1/2” SS Trunnion, ANSI 1500#, Metal Seated, Zero Leakage, Completed in Less Than 3 Months

This 1-1/2” SS Trunnion, class 1500, was designed with a seat combination configuration which will assure no leakage in the designated flow direction but will self relieve to the upstream pipe as required. The valve is mounted to a customer supplied actuator and ready for…