Passive isolation systems are engineered to prevent explosion propagation through ducting and piping. They activate solely from external energy or actuators.
Q-Flap NX II
Passive Isolation
Effectively isolates plant components in almost all industrial sectors
Q-Flap NX
Passive Isolation
Upstream isolation for dust collector inlet ducts in accordance with NFPA 69
VENTEX® Valve
Passive Isolation
Used when explosion-proof decoupling of pressurized containers is required
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Frequently Asked Questions
Examples of devices include flap valves or non‐return valves that are normally open by process flow but close when explosion pressure wave appears, float valves that respond to pressure differential and shut off flow, and barrier valves such as explosion isolation check valves, metal‐to‐metal seal designs that close when overpressure occurs.