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ISO 668 – Series 1 freight containers – Classification, dimensions and ratings is an ISO international standard which nominally classifies intermodal freight shipping containers, and standardizes their sizes, measurements and weight specifications.
The exact capacity varies by manufacturer, purpose, or other factors. Standard drums have inside dimensions of 572 millimetres (22.5 in) diameter and 851 millimetres (33.5 in) height. These dimensions yield a volume of about 218.7 litres (57.8 US gal; 48.1 imp gal), but they are commonly filled to about 200 litres.
Although flange fittings are bulky, they perform well in demanding applications such as large water supply networks and hydroelectric systems. Flanges are rated at 150, 300, 400, 600, 900, 1500, and 2500 psi; or 10, 15, 25, 40, 64, 100, and 150 bars of pressure. Various types of flanges are available, depending on construction.
Standard sizes are indicated by the nominal inner diameter in millimeters for flanges 10 through 50 mm in diameter. [2] Sizes 10, 20 and 32 are less common sizes (see Renard numbers ). Some sizes share their flange dimensions with their respective larger neighbor and use the same clamp size.
ISO 2441:1975 Pipeline flanges for general use — Shapes and dimensions of pressure-tight surfaces [Withdrawn: replaced with ISO 7005-(1-3)] ISO 2443:1980 Vines — Root stock, cuttings, scions and plants — Specification [Withdrawn without replacement] ISO 2444:1988 Joints in building – Vocabulary [Withdrawn: replaced with ISO 6707-1]
X indicates additional corrosion protection; commonly used near salt water. 4 and 4X: Watertight. Must exclude at least 65 GPM of water from a 1-inch nozzle delivered from a distance not less than 10 feet for 5 min. Used outdoors on ship docks, in dairies, in wastewater treatment plants and breweries. X (as 4X) indicates additional corrosion ...
For standard rectangular waveguide the second letter is A to E, where A and C are round flanges, B is square and D and E are rectangular. So for example UBR220 is a square plain cover flange for R220 waveguide (that is, for WG20, WR42), PDR84 is a rectangular gasket flange for R84 waveguide (WG15, WR112) and CAR70 is a round choke flange for ...
A hot-rolled HSS-box section cut open with a bandsaw, demonstrating residual stress A hollow structural section ( HSS ) is a type of metal profile with a hollow cross section . The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology.