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[nb 3] The Queen Anne wine gallon of 231 cubic inches was adopted in 1707 and still serves as the definition of the US gallon. A US tun is then the volume or of a rectangular cuboid with dimensions 36 by 38.5 by 42 inches. When the imperial system was introduced the tun was redefined in the UK and colonies as 210 imperial gallons.
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
A butt approximately equated to 108 imperial gallons (130 US gallons; 491 litres) for ale or 126 imperial gallons (151 US gallons; 573 litres) for wine (also known as a pipe), although the Oxford English Dictionary notes that "these standards were not always precisely adhered to".
A Fixture Unit is not a flow rate unit but a design factor. A fixture unit is equal to 1 cubic foot (0.028 m 3) of water drained in a 1 + 1 ⁄ 4 inches (32 mm) diameter pipe over one minute. [2] One cubic foot of water is roughly 7.48 US gallons (28.3 L; 6.23 imp gal). A Fixture Unit is used in plumbing design for both water supply and waste ...
Below NPS14, the NPS number is not consistent with the pipe diameter in inches. Copper tubing, however, is measured in nominal size, 1 ⁄ 8 inch less than the outside diameter. The Schedule system is used for standard pipe thicknesses. Alcohol content is frequently given in proof, 2 × percent alcohol by volume; The cord is used for volume of ...
Casks in this size (themselves called firkins) are the most common container for cask ale. firkin (Ale) From the mid 15th century until 1688 the ale firkin was defined as 8 ale or beer gallons (36.97 litres). In 1688 the ale firkin was redefined to be 8 + 1 ⁄ 2 ale or beer gallons (39.28 L). In 1803 ale firkin was again redefined to be 9 ale ...
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Earlier, another size of whiskey barrel was the most common size; this was the 40 US gallons (33.3 imp gal; 151.4 L) barrel for proof spirits, which was of the same volume as five US bushels. However, by 1866, the oil barrel was standardized at 42 US gallons.