EASTERN TIGHT ROUND SPIRAL DUCT AND FITTINGS CONSTRUCTION STANDARDS Gauge selection for galvanized steel (ASTM A653) or paint grip. Fittings are assembled with stitch welds, spot welds, or standing seams and are sealed. All galvanized spiral duct 6 and larger is corrugated unless ordered without corrugation. Smaller sizes may also be corrugated.
SPIRAL DUCT AND FITTINGS - semcohvacPCD #8 duct sealer on the outside of fitting seams is an option. Dual Wall Duct SEMCO dual wall duct and fittings are made with 1 of fiberglass insulation sandwiched between the outer shell and a solid or perforated inner metal liner. Dual wall duct is also available in 2, 3, and 4 thickness.
Spiral Elbows - elgenmfgSpiral Elbows. Elgens spiral elbows offer quick and easy installation with a fitting size 3 straight in and straight out as well as a raised bead for coupling with spiral pipe. Compared to stamped elbows, construction and installation time is significantly reduced resulting in financial savings in job costing.
External corrugations are standard for over 14 diameter for underground applications. Standard gauges are:4 to 16 / 24 gauge, 17 to 24 / 22 gauge, 26 to 48 / 20 gauge. Spiral Insulated Pipe. Our dual-wall spiral insulated duct adds both thermal insulating and sound attenuating benefits to any air distribution system.
Spiral Tube & Fittings - LindabDescription Lindab spirally wound ducting is manufactured from high quality galvanised steel and is produced to comply with HVCA specification DW144 and is suitable for high, medium, low and negative pressure systems.
Stainless Steel Duct McMaster-CarrCrush-Resistant Spiral Duct and Fittings. Weld flanges to equipment to start a run of duct. High-Temperature Chimney Vents and Fittings. Built to withstand temperatures up to 1000° F, these vent pipes and fittings are for use with boilers, furnaces, stoves, and other equipment that is fired by coal, gas, oil, propane, or wood.
Langdon's SureSeal Spiral is a single wall self-sealing spiral ductwork system that reduces installation cost. Our new gasketed connection is quick and easy. No messy sealer is required, simply slide the pieces together and secure with gasketed tek screw fasteners #10-16-3/4.
Wells Spiral:UK manufacturer & distributor of spiral tubesInventors of the Well Void tube at Wells Spiral Tubes we are dedicated to continuous product innovation and customer satisfaction. We specialise in Flue Systems, Well Void Tube, Galvanised, Aluminium and Stainless Steel Ductwork, Drainage, Agriculture and Civil Engineering, thus offering you a complete tube manufacturing service. Whatever your spiral tubing application, for quality
seamless duct, seamless duct Suppliers and Manufacturers Spiral Ducts / Ducting / Spiral Welded 4 inch stainless steel pipe in shanghai . US $700.00-$780.00 / Tonne 10 Tonnes (Min. Order) 5 YRS . Shanghai Changzeng Metal Co., Ltd. (1) 81.3% " Good supplier " (1) Contact Supplier
A spiral seam makes this duct strong and rigid. Fittings have male ends with a slightly smaller diameter to press-fit into duct.. Galvanized steel has good corrosion resistance. PVC-coated steel combines the strength of steel with the corrosion resistance of plastic. 304 stainless steel is more corrosion resistant than steel.. For technical drawings and 3-D models, click on a part number.