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DuraVent – Pressure Stack DuraStack Pro

Model DIS and DAS, Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack and Engine Exhaust, and Grease Duct

Description

The DuraStack Pro Series, Models DCL, DAS1, DIS1, DIS2, DIS4, DIS3Z venting systems, are designed to offer the ultimate in installation convenience and versatility for a variety of applications. Certified for commercial chimney and diesel exhaust applications, they are constructed of thick-gauge material for the inner pipe that provides a strong and rigid assembly. Featuring a self-centering flue extension design that significantly simplifies and accelerates the installation process.

Available in sizes from 5″ to 36″ diameters, the DIS line offers double-wall configuration with a choice of 1″, 2″, 4″ or 3″ insulation and the DAS line offers a 1″ air insulated product. For premium corrosion resistance and durability, the inner flue is constructed from 0.035″ thick Stainless Steel 304 or 316 Stainless Steel. This is coupled with a 0.024″ thick 304 Stainless Steel or Galvalume (Aluminum-zinc coated) steel outer casing. The DIS line features the highest-quality insulation, densely packed to ensure low heat loss and maximum draft.

Applications
DuraStack Pro is available in the following configuration.
DCL: Single Wall
DAS1: 1″ Air Insulated
DIS1: 1″ Insulated
DIS2: 2″ insulated
DIS4: 4″ Insulated
DIS3Z: 3″ Insulated
Applications include: Low and High-Pressure Steam Boilers; Diesel and Turbine Exhaust; Building Heating Equipment. Industrial Furnaces; Processing Equipment; Kilns and Ovens; Grease Duct.

Materials & Construction
Inner Wall Material Thickness
5″ – 18″ .035″ Laser welded, 304 or 316
20″ – 36″ .035″ Plasma welded, 304 or 316

Outer Wall Material Thickness
5″- 12″ .024″ Laser welded, 304, Galvalume
14″- 36″ .024″ Pittsburg Lock, 304, Galvalume

Listings
UL-103
UL-103 (HT)
UL-1978
UL-2221
UL-2561
UL-1777

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