Technical Bulletin – HEPA Air Pressurisation Unit (APU) Set-ups

Typical Air Pressurisation Unit Set-up

• Positive pressure 100% supply air.
• Prefilter + H14 HEPA Cassette.

Hybrid Heat Recovery Recirculation Air Pressurisation Unit Set-up

• Recirculation solution with fresh air addition.
• Dampeners allow for balancing.
• Additional inlet spigots on request.
• Dampers & additional ducting supplied by others.

Laminar Flow Bench Air Pressurisation Unit Set-up

• Using APU to attain laminar flow with positive pressure clean room.

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Technical Bulletin – HEPA Air Pressurisation Unit (APU) Set-ups