SD-HQ Series

The SDTORK SD-HQ Series Flameproof Electrical Actuator is a high-performance, single linear turn stayput actuator engineered for operation in hazardous and explosive atmospheres.

Designed in compliance with ATEX requirements, this Ex d actuator provides safe, reliable, and precise remote control of control valves, dampers, and process automation equipment in Zone 1 and Zone 2 environments.

The SD-HQ Series is specifically developed for regulating and ON-OFF control applications, ensuring accurate positioning, consistent thrust force, and long-term durability even under extreme environmental conditions.

Its advanced floating nut mechanism with spring-loaded force control guarantees zero leakage seating and protects valve internals from over-stressing.

Built with flameproof enclosure technology, corrosion-resistant aluminium housing, and self-locking mechanical design, the SD-HQ actuator delivers superior safety, performance, and reliability in critical industries.

Core Advantages:

• Versatility

• Robustness

• Reliability

• Economy