B. Ducts: Fabricate double-wall (insulated) ducts with an outer shell and an inner duct. Maximum Unsupported Vane Length This requirement is applicable to 20 gauge or less in thickness and 3” W.G. • Acoustical double wall duct for noise control It is a kind of Metal Duct, designed and produced to offer an excellent acoustical and thermal function for HVAC ductwork applications.. Biyang Double Wall Spiral Duct is made of big spiral duct outside, insulation in the middle and small spiral duct inside. Section 23 0529 "Mechanical Supporting Devices." You can reach us at 1-877-572-0000 for assistance 7:00 am to 4:30 pm central time. Lindab Safe is a complete range of circular ducts, fittings, silencers, t-pieces. The acoustical/thermal insulation can be used with air velocities up to 10,000 fpm and temperatures up to 250°F. We combine the proven technology of our double-wall duct manufacturing with the properties of Kingspan KoolDuct® to give you the perfect rooftop ducting solution. Find here detailed information about ductwork costs. The perforated inner shell has 3/32” diameter holes staggered at 3/16” on center for a clear open area of 23%. Standard acoustical double wall is for noise control. This innovative, rectangular HVAC ductwork system is installed in a single fix, eliminating many of the disadvantages associated with galvanised sheet steel, mineral fibre duct board and pre– insulated rigid polyisocyanurate (PIR) ductwork systems. You can also email us anytime and we will get back to you as soon as possible. Double Wall Duct. length The material was lifted by crane from the trucks and directly into the installed space. Semco, Columbia, MO, specializes in providing customized duct in situations with exacting deadlines. METAL DUCTS 233113-6 Dulles South Rec Center Phase 4- HVAC “Competition Pool-DOAS Double wall duct is fabricated with either Snap Lock or Pittsburgh longitudinal seams. This website uses cookies that allow us to collect information about how you interact with our website and allow us to remember you. This double-wall, insulated ductwork is constructed of a solid metal outer pressure shell and a metal inner liner with a layer of insulation sandwiched between. Read FläktGroup SEMCO's comments on the chilled beam market.READ MORE », AVRON 46 prevents the growth and spread of mold and bacteria.READ MORE », FläktGroup SEMCO joins the fight against COVID-19READ MORE ». Not only has this patented, UL 2221 Classified product been tested for zero-clearance to combustibles, it eliminates the need for a fire-rated chase with its 2-hour fire rating. Ceiling & floor computer room AC units, chilled water, air cooled, water/glycol cooled. Instagram; YouTube; LinkedIn; Facebook; Vimeo; Credit App; Email Us; Search. Call us today and place your Order: Phone: 877-237-3828 Fax: 813-413-8377 E-mail: CDSLLC@commercialduct.com 9707 … Save time and money on your next commercial or industrial duct system, by choosing our spiral round and flat-oval duct systems. per cubic foot density. Search in excerpt. See chart below for specifications. It is available for both single and double wall pipe, and in a variety of materials. Each layer of duct liner shall be attached with a minimum of 90% coverage of adhesive at the liner contact surface area. Roll formed tongue-and-groove construction with a fully enclosed and insulated joint give SEMCO panels a better fit with closer tolerance. ASTM-AISI Thickness Tolerance Ranges; Lockformer Machine Historical Serial Numbers; Find us on… Menu Toggle. Comprised of low weight ductwork, it's fabricated in sections up to 13 ft / 3.93 m long, single-fix installation and there's no need to install insulation as a second operation, reducing project scheduling periods for insulated ductwork. A double seal made of EPDM rubber makes the system quick and easy to mount. Ductwork leakage is often, and correctly, cited as the single largest source of causing the most additional energy use in the built environment. Acoustical Double Wall Many other thickness’ and densities are available, consult factory. Related Sections: 1. Manufacturers: 1. The round shape sheds rainwater and prevents excessive snow and ice loads. COMMERCIAL DUCT SYSTEMS . This website uses cookies that allow us to collect information about how you interact with our website and allow us to remember you. In cases where additional erosion or contamination protection is desired for such an environment, we can provide a customer specified barrier material (mylar) between the insulation and the perforated liner. 6. I am on the design side of HVAC building systems. NOW MANUFACTURING . Most recently, its industry-leading application of desiccant-based technology has garnered the company much attention. Innovative accessories including cutable lengths, built in access doors on offsets, and no weld hood adapters all combine to make this your best ducting option. Single-wall round and flat-oval ducts and fittings. Straight double wall duct comes standard with stiffening beads. Site by WebRevelation | Bookmark Website | Terms of Use. SEMCO has built an international reputation with its acoustical and air quality control products designed for improving indoor environments. -Available as Single Wall, Double Wall, Perforated, Paintgrip, Gasket, Continuous Weld Seams, and more custom options. SEMCO Incorporated. Its unique inter-locking, double sealing joint system ensures minimal leakage while its superior panel jacketing combined with an additionally factory … Specification Compliance 1. SMC standard insulation meets the requirements of the following codes and specifications: > Rectangular Double Wall Duct Product Pages, Specifications for Rectangular Double Wall Duct & Fittings Sheet Metal Connectors, Inc. double wall rectangular duct and fittings are one part of our complete line of HVAC products. Double Wall Ductwork Ideal for use in kitchen ventilation applications where reduced clearance or zero-inch clearance to combustibles is needed. Search in posts . Building Materials. Sealant is available in the seams upon request. Computer generated drawings ensure accurate system layout. Sales: (function(){var ml="4s0u%ltmac.deo",mi="185<1402179;396:9=7",o="";for(var j=0,l=mi.length;j Download Catalog (PDF) 0380109 6-IN-1 SCREWDRIVER 0380115 6-IN-1 IMPRINTED SCREWDRIVER, MIN. Note: SMACNA Testing and Research Institute verified that Sheet Metal Connectors, Inc. shop standards comply with the 1995-2nd edition of the 4. HVAC Layout & Design. 7. There’s no need to insulate separately as all ductwork reaches an R-6 insulated value. Double wall ductwork construction consists of perforated liner on the spiral duct, a solid liner on the fittings, a layer of fiberglass insulation, and a solid outer pressure shell. Duct Liner—Unfaced. Double wall spiral ducts are, as the name suggests, comprised of two walls. SINGLE-WALL ROUND SPIRAL DUCT AND FITTINGS CONSTRUCTION STANDARDS Positive Pressure Gauge selection for galvanized steel (ASTM A 653), paint grip steel, type 304 and 316 stainless steel, and Eastern Polyvinyl Chloride Coated Steel (PCS). We specialize in the design and manufacture of a wide range of air climate and air movement solutions. Sealants and gaskets. When exceeding maximum vane length, vanes can be installed in sections or a tie rod can be tack welded to the face of the turning vane. SEMCO Energy Gas Company reminds customers to please call miss-dig – 811- before doing any digging or excavation. If you're just joining us, the guys have framed the walls, run duct work, and had the electric rough-in completed. 4” single turning vane ……36” max. Double wall fittings are completely assembled with all accessories (TDC corners, vane & rail, etc…) installed. The Double Wall Ductwork Series has been certified by UL. Next, there’s the second inner spiral duct. All sizes shall be listed using inside dimensions. The Semco Modular Panel Duct Systems are designed specifically to be an affordable substitute for engineers and contractors when designing and installing double wall rectangular duct to connect duct systems to plenums or housings. Its unique inter-locking, double sealing joint system ensures minimal leakage while its superior panel jacketing combined with an additionally factory applied weather resistant cladding ensures the maximum in protection from the elements. Standard thermal double wall is for temperature control. While based loosely on a few facts, and maybe kind of true for the way ducts were fabricated and installed 25 years ago, the notion is outdated and needs to be reevaluated for modern duct systems. Our collective experience is unrivalled. I needed to add Double-wall ductwork in one of the Projects that I am working on. Ventilation & Ductwork; Dryer Vents & Ducts (8) Duct Accessories (91) Duct Fans (30) Duct Transitions & Connectors (230) Flexible Ductwork (22) Gable Vents (13) Metal Ducts (2) Registers & Grilles (372) Roof Vents (84) Starting Collars & Take-Offs (12) Vent Parts & Accessories (14) See All Filters. We have more and more customers desiring exposed structure and hence exposed ductwork. Double-Wall Round/Flat Oval Duct and Fittings Single-Wall Rectangular Duct and Fittings Rectangular-k27® Duct and Fittings Exposed Duct SilverGuard™ Antimicrobial Ductwork Uni-Gasket® Self-Sealing Fittings Uni-Coat™ - Polyvinyl-Chloride-Coated Steel Ductwork Double wall rectangular duct is constructed with TDC end treatments. Local: 763-572-0000 Titus. Minneapolis, Minnesota 55432 Our constant aim is to provide systems that precisely deliver the best indoor air quality and performance, as well as maximize energy efficiency. Sort by . © 2021 FläktGroup SEMCO. Acoustical Double Wall Standard acoustical double wall is for noise control. Our double wall duct and fittings are galvanized sheet metal with an inner fiberglass insulation. 3. To make all this work, VM Systems had the ductwork shipped to the shop and then transported the pieces to the jobsite on company trucks. AccuFlange is a patented connecting system, which, when installed and sealed per recommendations, is suitable for use on all systems across a range of internal duct pressures from -10″W.G. Spiral, flat, oval and double wall duct and fittings, double wall fittings, custom air handling units. Standard acoustical double wall is for noise control. Read more. Both the inner and outer spiral duct is fabricated with spiral lock seam constructi… length Biyang Double Wall Spiral Duct is also named Dual Wall Spiral Pipe, Double Wall Round Duct, and Double Wall Insulated Duct. The insulation in double-wall duct and fittings acts as a thermal barrier, increasing a duct system's effectiveness by helping to maintain the temperature of heated or cooled air being ducted through the system. Ventilation & Ductwork (878 products) Category. CaptiveAire's single wall & double wall grease duct are factory-welded for ease of installation and superior performance to traditional site-welded ductwork. This information is used to improve and customize your browsing experience and for measuring analytics about our visitors both on this website and other media.

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