Keep Your Operations Safe and OSHA / NFPA Compliant

Cardinal Air is your source for explosion and fire mitigation solutions from Imperial Systems. In addition to protecting your employees and facility, you can assure your business meets regulatory compliance requirements in your industrial dust collection systems.

  • Explosion Isolation Valve – Protection from the damaging effect of a baghouse or filter explosion
  • Spark Arrestor – Extinguishes nearly all sparks before they enter the industrial dust collector
  • Heavy Duty Abort Gate – An essential part of any duct spark or leak detection system

Explosion and fire mitigation equipment is available from a variety of manufacturers, but not all of your options are equal. Imperial Systems components are engineered and built to provide you with confidence, so you can count on your system for safe, dependable performance.

Cardinal Air Helps You Navigate Regulatory Compliance Challenges

Cardinal Air brings extensive experience and expert knowledge in not only industrial dust collection system design and development, but also experience in successfully navigating OSHA and NFPA requirements. Call us to discuss your project!

Tell Us About Your Project


  • Explosion Isolation Valve
    • Explosion Isolation Valve


        • Heavy duty welded construction
        • Flanged inlet and outlet with co-flanges
        • Inspection / access door
        • Grounding lug
        • Locking mechanism
        • ATEX certified
      NFPA 69-2014
      • 100% NFPA 69-2014 compliant with the following optional features:
        • EIV-MS – Micro-switch for system shutdown
        • EIV-DLS – Dust level sensor
        • EIV-MS – Control panel for sensor power and integration with existing or new control panel


  • Spark Arrestor
    • Spark Arrestor


        • Heavy duty construction
        • No maintenance
        • Clean-out door
        • Fully welded construction
        • Easy install into any system
        • Can be installed in horizontal or vertical configurations
        • No moving parts
        • Carbon steel or stainless steel available
        • No water required
        • AVAILABLE IN SIZES: 6in. to 40in
        • Drop down clean-out door helps eliminate dust build up and explosion risk


        • Raw inlet & outlet edges
        • Rolled angle flange for bolt together duct
        • Clamp together for clamping duct


        • Raw inlet and outlet edges
        • Clamp together for clamping duct
        • Rolled angle flange for bolt together duct
  • Heavy Duty Abort Gates
    • Heavy Duty Abort Gates


        • Heavy-duty fuller welded steel construction
        • OSHA safety yellow industrial enamel
        • 110 volt control panel
        • Manual gate reset by a hand-crank actuator
        • Gate accelerating springs
        • Removable gate
        • Steel gate seals
        • Available in sizes 4” to 60”
        • Limit switches for gate position indication


        • Engineered by the dust collection expert
        • Robust 3/16” plate & 10 gauge carbon steel construction
        • Strong precision welds
        • Fail-safe electro magnets
        • Factory tested prior to shipment
        • 100% compatible with all brands of fire & explosion suppression equipment


        • Electric gate reset
        • Weather hood
        • Inlet and outlet transitions
        • Support structure
        • Ladder and service platform