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The bodies of fittings for pipe and tubing are often the same base material as the pipe or tubing connected: copper, steel, PVC, CPVC, or ABS. Any material permitted by the plumbing, health, or building code (as applicable) may be used, but it must be compatible with the other materials in the system, the fluids being transported, and the ...
Round duct is made using a continuous spiral forming machine which can make round duct in nearly any diameter when using the right forming die and to any length to suit, but the most common stock sizes range evenly from 4" to 24" (10-60 cm) with 6"-12" (15-30 cm) being most commonly used. Stock pipe is usually sold in 10' (300 cm) joints.
It shows a large baghouse inlet ductwork. The inlet duct is tapered to minimize dust dropout. A shallow taper such at this also reduces pressure losses when changing duct diameters. Note the rectangular duct ring spacing is roughly 2'-6" on center. The round duct is stiffened near each branch duct.
Fittings for non-threaded conduits are either secured with set screws or with a compression nut that encircles the conduit. Fittings for general purpose use with metal conduits may be made of die-cast zinc, but where stronger fittings are needed, they are made of copper-free aluminum or cast iron. Couplings connect two pieces of conduit together.
The Wasserstrom Company is a restaurant supplier based in Columbus, Ohio with distribution centers located across North America. [2] The Wasserstrom Company is a family-owned and operated business that was founded in 1902 by Nathan Wasserstrom. [3]
A typical design has four headers, with the spiral tubes in four concentric helices of alternating handedness, and each tube making about three turns before joining the other header. There are thus fewer tubes, sixteen in this case, but each one is longer (between 260-280 bore diameters is suggested [ 12 ] ) and so the boiler is still a dense ...