Our LOW PRICES will make a competitive difference on your next job. SMACNA HVAC Duct Construction Standards. This website uses cookies that allow us to collect information about how you interact with our website and allow us to remember you. Many other thickness’ and densities are available, consult factory. Exact matches only. 5. Exact matches only . Latest News from McGill AirFlow LLC FOR RELEASE: McGill AirFlow's Double-Wall Insulated Duct and Fittings Provide Exceptional Noise and Thermal Control McGill AirFlow's Acousti-k27 double-wall, insulated duct and fittings provide exceptional noise and thermal control in air handling systems. Double wall spiral ducts are, as the name suggests, comprised of two walls. Insulation Semco offers a wide-range of acoustic silencers engineered and independently tested to fit your application. These patent pending systems provide the increased air distribution efficiency of round or flat oval ductwork packaged in a light weight and high quality closed cell phenolic insulation. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. 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. SMC manufactures many different types of reinforcement. Thermal Double Wall 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. A traditional spiral duct system may be more efficient than the average rectangular duct, but double wall spiral ducts offer even more efficiency in terms of energy costs. length 2” double turning vane …..48” max. 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). Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local HVAC codes. Search in content . Note: SMACNA Testing and Research Institute verified that Sheet Metal Connectors, Inc. shop standards comply with the 1995-2nd edition of the Dual Wall Insulated Spiral Pipe Dual Wall Insulated Duct, Single Wall (Duct Liners) Insulation, Fittings, Installation The primary objective of HVAC design is a balanced system that efficiently delivers the required volume of conditioned air to all of the building’s spaces. HELPS ME PATCH HOLES IN MY WALL AND CEILING? Find here detailed information about ductwork costs. Generic selectors. ASTM-AISI Thickness Tolerance Ranges; Lockformer Machine Historical Serial Numbers; Find us on… Menu Toggle. Most recently, its industry-leading application of desiccant-based technology has garnered the company much attention. Standard acoustical double wall is for noise control. Thermal control double wall in constructed with solid inner and outer shells for assured thermal conductivity and vapor barrier integrity. Search in title . 6. 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. Our collective experience is unrivalled. You will get the advantages of automation and mass production without the expense of investing in the required equipment. First, there is the larger duct that’s visible to everyone. 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. Double wall duct has both acoustical and thermal insulation advantages. Toll Free: 1-800-328-1966 Save time and money on your next commercial or industrial duct system, by choosing our spiral round and flat-oval duct systems. Lindab Safe is a complete range of circular ducts, fittings, silencers, t-pieces. Acoustical Double Wall Standard acoustical double wall is for noise control. Section 23 0529 "Mechanical Supporting Devices." Single wall grease duct is ETL Listed to UL Standard 1978 - Grease Ducts and CAN/ULC-S662. Search in pages. 5850 Main Street N.E. Sealants and gaskets. SEMCO provided the entire length of the pre-insulated, double-wall spiral duct as well as interior duct for the perimeter spaces of the arena. > 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. In addition, its flexibility allows for easier installation in hard-to-reach areas. NOW MANUFACTURING . Industry’s highest recovery performance (AHRI Certified), Efficient hydronic system featuring chilled beams, Active condensation control with occupant comfort for chilled beams. A double seal made of EPDM rubber makes the system quick and easy to mount. Duct liner shall be of the specified materials, thickness, and density of the contractors request. These are installed internally at both the joint and/or intermediate duct spacing. Most double wall fittings are fabricated with Pittsburgh seams. ASTM C 1071 Type 1 Replaces HH-I-545B Type 1. Laboratory exhaust ductwork. Double wall grease duct is ETL Listed to UL Standard 1978 and UL Standard 2221- Grease Duct Enclosure Assemblies. Our constant aim is to provide systems that precisely deliver the best indoor air quality and performance, as well as maximize energy efficiency. Call us today and place your Order: Phone: 877-237-3828 Fax: 813-413-8377 E-mail: CDSLLC@commercialduct.com 9707 … 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. Duct Liner—Unfaced. But for most of the country the main reason is wind. B. Ducts: Fabricate double-wall (insulated) ducts with an outer shell and an inner duct. Our constant aim is to provide systems that precisely deliver the best indoor air quality and performance, as well as maximize energy efficiency. Field or installation labor includes distribution of ductwork, erection of scaffolds, handling of tools, layout of duct runs, cutting duct hangers and cleats, ductwork hanging time (including straight duct and fitting connections), labor time to remove erection equipment, clean up.A typical 15% labor idle time is applied to the total labor hours. UL listed, requires No Welding - Single Wall & Reduced Clearance: UL1978 and Double Wall Zero Clearance: UL1978 & UL2221, Limited Lifetime Warranty. Fittings We specialize in the design and manufacture of a wide range of air climate and air movement solutions. Standard acoustical double wall is for noise control. 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. 3.25 in. All double wall ductwork and fittings shall be constructed with an outer galvanized wall and a perforated inner galvanized liner. Sort by . QDuct is a double layered, double wall, pre-insulated, weatherproof outdoor duct system designed for exterior application. length We have technical and customer support available by phone or email. SMC manufactures several types of turning vane and E-Z rail. Turning vane and E-Z rail are recommended for square throat elbows and tees. Double wall rectangular duct is constructed with TDC end treatments. Constructed of a perforated inner shell surrounded by a layer of insulation and covered by a solid outer shell. Constructed of a perforated inner shell surrounded by a layer of insulation and covered by a solid outer shell. Volume dampers and accessories were also factory installed by the manufacturer, 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 ». CaptiveAire's single wall & double wall grease duct are factory-welded for ease of installation and superior performance to traditional site-welded ductwork. Maximum Unsupported Vane Length Building Materials. These air quality problems can be a health hazard in environments such as schools, hospitals, laboratories, and food or pharmaceutical plants. Our prefabricated, double wall round grease ducts are designed and built for vertical runs and don’t require field welding or secondary insulation. I am on the design side of HVAC building systems. Air Treatement Solutions. There’s no need to insulate separately as all ductwork reaches an R-6 insulated value. The round shape sheds rainwater and prevents excessive snow and ice loads. per cubic foot density. 2. Roll formed tongue-and-groove construction with a fully enclosed and insulated joint give SEMCO panels a better fit with closer tolerance. Double wall fittings are manufactured on our state of the art fabrication equipment. 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. Download the SEMCO CustomAir duct catalog. Duct cleaning and contamination protection. This requirement is applicable to 20 gauge or less in thickness and 3” W.G. Sheet Metal Connectors, Inc. double wall rectangular duct is a dependable, erosion resistant alternative to lined rectangular duct, providing improved protection for insulation exposed to the airstream. Average cost to install ductwork is about $1,800 - $3,300 (60 linear feet of aluminum ductwork, insulation & 5 vents). R-Angle Reinforcement: roll formed pre-punched angle iron reinforcement. Fax: 763-572-1100. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. 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. It’s Round! 4” acoustical vane ………..72” max.length. All sizes shall be listed using inside dimensions. Search in content. Sheet Metal Connectors, Inc. manufactures double wall fittings in most sizes and configurations. Double-wall rectangular ducts and fittings. Biyang Double Wall Spiral Duct is also named Dual Wall Spiral Pipe, Double Wall Round Duct, and Double Wall Insulated Duct. QDuct is a double layered, double wall, pre-insulated, weatherproof outdoor duct system designed for exterior application. COMMERCIAL DUCT SYSTEMS . Search in title. Thermal control double wall in constructed with solid inner and outer shells for assured thermal conductivity and vapor barrier integrity. Both the inner and outer spiral duct is fabricated with spiral lock seam constructi… This fabric prevents fiberglass from entering the airstream while providing acoustical attenuation. Search in posts. 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. 4” single turning vane ……36” max. See chart below for specifications. Search in posts . Transverse Joint and Intermediate Reinforcement You can also email us anytime and we will get back to you as soon as possible. Minneapolis, Minnesota 55432 3. Give your round and flat oval ductwork the increased performance with Thermaduct’s Inspiral R and Floval Duct Systems. All pipe models are UL 1978 grease duct rated to their relative clearance to combustibles (single-wall, double-wall air or blanket insulated). Specification Compliance Specific lengths, longer or shorter than 10 foot are available, up to 20-foot maximum. 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 Menards® offers a wide range of ductwork pipe and fittings to help your ductwork systems run efficiently.These products are used for warm air return, supply, and exhaust systems. ORDER 24 Imprint Special: The 6-in-1 screwdriver can be imprinted with your company name in a minimum order … Related Sections: 1. I just can't find an option to do that. When using turning vane and E-Z rail performance is greatly enhanced in the HVAC duct system. • Thermal double wall duct for temperature control. Its unique inter-locking, double sealing joint system ensures minimal leakage while its superior panel jacketing combined with an additionally factory … Double wall spiral ducts are, as the name suggests, comprised of two walls. SEMCO provided the entire length of the pre-insulated, double-wall spiral duct as well as interior duct for the perimeter spaces of the arena. The material was lifted by crane from the trucks and directly into the installed space. Standard thermal double wall is for temperature control. FLAT OVAL . The Kingspan KoolDuct System is easy to handle and install. Sheet metal materials. Ascendant Ascendant Owner's Manual; 3fficiency 3fficiency; Data Center Data Center; Econet Econet; EP Series EP Series; EP Tech Guide; Elite Elite Series; Elite Tech Guide; FV Series FV Series; FV Ductwork will be spiral seam construction made from G-90 or better galvanized steel conforming to ASTM A653/A653M and A924/A924M Standards, Lock-Forming Quality (LFQ). METAL DUCTS 233113-6 Dulles South Rec Center Phase 4- HVAC “Competition Pool-DOAS Semco, Columbia, MO, specializes in customized duct in situations with exacting deadlines. 0380109 6-IN-1 SCREWDRIVER 0380115 6-IN-1 IMPRINTED SCREWDRIVER, MIN. NAIMA Standard AHC-101 Duravent 6" DuraPlus Through the Wall Kit. 2.7 DOUBLE-WALL DUCT AND FITTING FABRICATION A. Pictures; Submittals; Zipper Ductwork; Catalog; Our Facility; Surplus Equipment; Videos. Dimensions indicated are for inner ducts. Round Double Wall Duct is constructed of Galvanized Steel with a 4-ply spiral lock seam of the following minimum U.S. standard gauges: NOMINAL (O.D.) Acoustical Double Wall All sizes shall be listed using inside dimensions. Sealant is available in the seams upon request. Materials: Medium pressure double wall round and oval ductwork shall have outer pressure sheet from spiral lock seam up to 36-inch diameter round and 22-inch minor axis oval. The manufacturer customized rectangular saddle taps to fit inside the round duct. McGill AirFlow's standard 1-inch layer of insulation has … SMC standard insulation meets the requirements of the following codes and specifications: You can reach us at 1-877-572-0000 for assistance 7:00 am to 4:30 pm central time. The perforated inner shell has 3/32” diameter holes staggered at 3/16” on center for a clear open area of 23%. SEMCO ENERGY Gas Company reminds customers to call MISS DIG (811) at least 3 days prior to doing any digging or excavation. It is available for both single and double wall pipe, and in a variety of materials. or less. Product safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued performance. Search in excerpt. HAS A WIDE SELECTION OF VENTS, ... Comes standard with a double end Phillips bit (1/4" end) and a double end slotted bit on the 5/16" end. Straight double wall duct comes standard with stiffening beads. Zero Clearance grease duct models Z3 & Z4 are additionally UL 2221 rated to zero clearance to combustibles and have an integral 2 hour fire rated enclosure, not requiring a separate fire rated shaft. DOUBLE WALL ROUND AND FLAT OVAL DUCTWORK. We have more and more customers desiring exposed structure and hence exposed ductwork. Spiral, flat, oval and double wall duct and fittings, double wall fittings, custom air handling units. 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