Double Duct Air Terminal Unit - DD500

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As unidades terminais de ar Metalaire DD-500 são projetadas para regular o fluxo de ar condicionado em um sistema de distribuição de ar de duto duplo. Tanto o ar aquecido quanto o resfriado são fornecidos ao terminal aéreo e misturados em um plenum fornecido por outros para atingir a temperatura de descarga desejada.

Capacidades que variam de 80 a 4.400 CFM em vários tamanhos de unidades
Certificado AHRI, listado ETL, UL 1995, em conformidade com NFPA 90A e UL 181
Controles pneumáticos, elétricos, analógicos ou digitais diretos disponíveis
Tamanhos de entrada desiguais estão disponíveis como opção

Especificação

- Damper rotates in a self-lubricating, long life, low friction thermoplastic bearing
- Industry leading continuous welded primary inlet duct to minimize leakage with three stiffening beads for added rigidity
- Mechanically fastened damper assembly shall be double layer, 18 gauge equivalent, galvanized steel with integral blade seal (<1% at 3.0" wg static pressure)
- Multi-quadrant, averaging flow sensor for highly accurate (+/-5%) flow readings with varying inlet duct configurations after certified balancer has balanced terminal
- Rectangular discharge with slip and drive duct connection
- 22 ga. galvanized steel casing, mechanically sealed for low leakage construction
- NEMA 1 rated control enclosure for both hot and cold decks with stand-off to prevent penetration of casing
- Full range of options and accessories available including liners, heating coils, access doors, attenuators, etc.
- All DD-500 terminal units are AHRI certified and shipped with the AHRI seal
Liners
- ½” or 1” 1.5lbs fiberglass
- ½”, ¾”, or 1” 1.5lbs foil faced
- ½” or 1” Thermopure closed cell foam
- ½” or 1” Fiberglass with solid metal double walled
Access Doors
- Damper
- Inlet sensor
- Hot water coil
- Electric heat
Other options available:
- 5 different control enclosures
- 4 different handing configurations
- 3 different outlet connections
- Hanger brackets
- 4 different transformers
- Custom options