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Why Non-Spring Return?

Siemens OpenAir non‑spring return damper actuators bring reliable, energy‑efficient control with torques from 44 to 310 lb‑in, selectable 0–10 V or 2–10 V signals, and a patented self‑centering shaft adapter that prevents slippage. Enhanced models add longer cycle ratings for lasting performance.

Portfolio

  • GDE — 44 lb‑in
  • GLB — 88 lb‑in
  • GEB — 132 lb‑in
  • GBB — 221 lb‑in
  • GIB — 310 lb‑in
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Key benefits

Accelerate installation

Patented self‑centering shaft adapter, precabled options, and manual override help technicians mount and commission faster with consistent results.

Improve energy efficiency

Low power consumption with precise 0–10 V or 2–10 V control signals reduces energy use while maintaining comfort and stability.

Scale across more applications

Torque coverage from 44 to 310 lb‑in fits VAV boxes, bypass and isolation dampers, rooftop units, and AHUs with dependable performance.

Featured capabilities