MKT Metal Manufacturing, Inc.

MKT products are factory fabricated to meet or exceed 3rd edition 2005 SMACNA Standards. MKT standardizes most rectangular duct construction with USA mill-stamped, G90 galvanized steel. We not only meet requirements set by the state and federal entities, but our highest standards are held by our own quality control guidelines. *Specific needs and application do apply Snap Lock Economical. Shipped knocked-down and assembled in the field. Typically used for light commercial or multi-family residentialcondo’sapartments. Easier to take mass quantities to a multi-story job. Normally wrapped in the field for installation. Low pressure work. Slip and Drive Assembled in the field. Typically used for light commercial or multi-family residentialcondo’sapartments. Size of the duct has a lot to do with where you use slip and drive. Needs to be sealed after installed. It’s used in low to medium pressure systems. TDC Flange (Transverse Duct Connections) rectangular-ductworkTDC flange is a roll form flange connection that provides a solid metal connection directly onto the duct reducing air leakage. Typically used for light and heavy commercial. It is quicker to install in the field, more leakage resistant that slip and drive. Uses a 4 bold connector system. The gasket is designed for low, medium and high pressure systems. Double Wall A double-walled duct is a secondary contained duct system. It is a duct within a duct, or encased in an outer covering, with an annulus (interstitial space) between the two diameters. The inner duct is the primary or carrier duct and the outer duct is called the secondary or containment duct. Conditioned space, quieting space. Welded A fabrication or sculptural process that joins materials. Typically used requirements are biological consideration (pharmaceutical), (duct must be sealed) or exhaust requirements, smoke, fumes, dust collection systems. Application Rectangular Duct is best used when physical space limitations and high air carrying capacity requirements are tight. Marketable Applications Ventilation Systems, HVAC Systems, Dust Collection Ventilation, Heating and Air Conditioning Rectangular Duct Installation Delivered with our product, all supplies come with connecting hardware, including, slips and drives, nutsbolts, gasketed materials and hanging system. All rectangular duct (except Snap Lock) can be lined with fiberglass, closed-cell foam, or any other industry material. On instances where specified, we can also manufacturer double wall duct.

MKT sets a new standard in economic and efficient exterior duct systems. weatherguardfeatureWeatherguard® Duct Systems, an innovative design by MKT Metal Manufacturing, provides a fully sealed and weather resistant system. When a building’s internal space is at a premium or nonexistent, rooftops are often a choice in the placement of duct work. Our pre-insulated, weatherized, double-wall spiral duct system provides many advantages. Round • Most efficient air conveyance • Reduced snow load • Reduces wind uplift • Structurally sound design Pre-manufactured SystemWeatherguardProduct_RGB-1 • MIRO® Industries Inc. • Installation preparation • Controlled environment manufacturing • Consistent Weather Protected • 3M™ VentureClad™ Insulation Jacketing Tape • Protected from the elements • Impervious to moisture and weather • Reflective surfaces Barrel Clamp • Quick connections • Adjustable • Closed cell seal • Labor saving Less Joints=Less Labor • Drastically reducing installation and insulation costs Minimal Thermal Brakes Not easily used as a “catwalk” after installation Optional Agion Microbial Protected Currently laboratory-tested by InterTek, York, PA

MKT products are factory fabricated to meet or exceed 3rd edition 2005 SMACNA Standards. MKT Standardizes rounded duct typically with USA mill-stamped, G90 galvanized steel*. We not only meet requirements set by the state and federal entities, but our highest standards are held by our own quality control guidelines. *Specific needs and application do apply Snap lock Economical. Shipped knocked-Down and assembled in the field. Typically used for light commercial or multi-family residentialcondo’sapartments. Easier to take mass quantities to a multi-story job. Normally wrapped in the field for installation. Low pressure work. Flange Connecting System, 2 different flanges, angle ring flange (Accuflange – spiral, commercial HVAC application). Industrial flange (Burkholder)-high heat, high pressure, high velocity. Van Stone Flanges Practical and labor saving method for connecting both industrial duct and pipe. Industrial duct: the Van Stone connection consist of a face flange and a backing flange with a slip fit over the duct. The face flange is mechanically formed from the end of the duct section by turning the edge of the duct and forming a “lip” with an outside diameter small enough to clear the connect bolts. Double Wall Double wall Solid Inner (only R value) and Double Perf Inner (R value and decibel ratings). 2 different scenarios: Insulate the pipe for an industrial application – solid inner. Perf, are wholes in trap sound as well as R Value and decibel ratings. Welded A fabrication or sculptural process that joins materials. A level beyond HVAC applications to enclose fumes, biologicals, high pressure, particulate.

MKT recommends using slip in couplings up to 24″ diameters Quick, simple, relatively inexpensive Light to moderate strength characteristics Requires sealing in the field if necessary

Self Sealing Time and labor saving Adjusts automatically to slight duct diameter variations Offers inner ring for use with Spiralmate on Double Wall spiral connections Has been lab tested to 18″ positive WG and 10″ negative WG

Typically used in heavy, industrial applications Larger diameter and gauge spiralround duct uses angle rings Can be used in conjunction with “van stoning” on the round duct for a “slip ring” capability Requires additional gasketing if required Available in all materials including galvanized, pricing and availability on request