Quake Defense, Inc.

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The Emergency Fail‑Safe (EFS) solution is a modular, pneumatically actuated system engineered to automatically isolate natural or process gases and liquids linked to electrical installations when an earthquake, fire, or explosion occurs. At the core of this offering, the Twingate seismic shut‑off valve functions as a pilot device and can be paired with any spring‑return actuator that operates on pneumatic pressure.

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