Fume Ventilation and Air Pollution Control Systems

Duall manufactures corrosion-resistant fume ventilation and air pollution control systems including ducts, hoods, fittings, and accessories to standard specifications or will custom design them to ensure optimum performance for your specific application. Duall offers you more services than any other supplier; including on-site testing, pilot and lab studies, system design, spec writing, equipment installation and start-up. Over the years, Duall has provided equipment and services that ensure unequaled quality and performance.

• A large selection of competitively priced standard equipment is available for quick delivery.
  
• Selected standard fans are stocked for guaranteed 3-day shipment.
  
• Fans are licensed to bear the AMCA seal for guaranteed performance.
  
• Molded, seamless duct fittings are available in selected sizes.
  
• Systems operate with lower static pressure losses to save on energy costs.
  
• Computer designed systems assure efficient capture of fumes and result in lower exhaust requirements.
  
• Push-pull systems are available to reduce exhaust air requirements by up to 50%. High pressure, low volume design eliminates the need for large cumbersome push headers.
  
• Experienced installation technicians provide quick and easy installation that helps you meet deadlines. Full-time staff of qualified engineers assures up-to-date technology.

PVC duct exhausts phosphate fumes from hoods to trunk line.

PVC capture hoods with corrosion resistant shielding funnel fumes from entire plating line. All drag out fumes are captured.

• Ventilation systems designed and constructed in accordance with ACGIH and SMACNA standards.
  
• Duall welders are tested in accordance with AWS G1.10M:2001 standards.
  
• Hoods and ducting available in fire retardant FM 4910 approved materials.
  
• Duall is a certified Corzan™ CPVC fabricator.

“Duall Division Met-Pro Corporation, certifies that the fans shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.”