Ventilation Ductwork System for Biopharmaceutical Cleanrooms
创建于06.16
Comprehensive Technical Specifications for Design and Installation
1. Interstitial Duct Colored Insulation System
l Use flame-retardant PIR/PUR foam insulation with density ≥48kg/m³ and thermal conductivity ≤0.022W/(m·K)
l Insulation thickness designed per process requirements, typically 25-40mm, with colored PVC protective layer
l Ensure specialized tape sealing at joints with smooth, wrinkle-free surface
2. Return Air Riser Installation
l Use 304 stainless steel rectangular ducts with wall thickness ≥1.2mm
l Vertical deviation ≤2mm/m, total length deviation ≤10mm
l Support spacing ≤3m with rubber vibration isolators
3. High-Efficiency Air Outlet Edge Banding
l Use anodized aluminum trim with thickness ≥2mm
l Apply medical-grade silicone sealant at joints, 3-5mm bead width
l Install EPDM gasket at color steel panel connections
4. Stainless Steel Air Outlet Installation Standards
l Select 316L medical-grade stainless steel with electropolished surface
l Pre-installation laser leveling with deviation ≤1.5mm/m
l Use quick-release flange connections at duct joints
5. Duct Wall Penetration Sealing System
l Provide sleeves 50mm larger than duct diameter, filled with fireproof rockwool
l Seal both sides with fire-resistant putty, thickness ≥30mm
l Install stainless steel finishing rings
6. Exhaust Fan Grounding Specifications
l Use 6mm² yellow-green copper wire for grounding
l Apply OT terminal crimping with anti-loosening washers
l Quarterly grounding resistance testing with documented records
7. Integrated Ceiling BIM Coordination
l Conduct clash detection using Revit+Navisworks
l Maintain ≥600mm access clearance with ≥300mm equipment spacing
l Provide 3D isometric drawings for construction guidance
8. Crossover Walkway Technical Requirements
l Main structure using hot-dip galvanized steel with ≥85μm zinc coating
l Tread plates made of 304 stainless steel grating with ≤20mm openings
l Install double-rail guardrails with intermediate wire rope protection
9. Supplementary Technical Specifications
l All ducts require PAO leak testing
l System noise control at ≤65dB(A)
l Final air balance report required upon completion
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