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A bollard is a sturdy, ... Bollards can be used either to control traffic intake size by limiting movements, or to control traffic speed by narrowing the available ...
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 ...
The pressurised water was directed to the cranes along 10-inch diameter iron pipes. These, running beneath The Dyke wharfs, were joined with bolted junctions. 6-inch diameter pipes reticulated to and from the cranes, while holding vats within the Engine House engine room allowed the water to be used again and again. [18] [1]
In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel, A500 grade C. Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...
An example is the use of bollards to prevent cars from entering bike paths. The horizontal clearance on the paths defines a minimum clearance of adjacent obstacles such as those bollards to allow clear flowing of bike traffic. Some European countries have that specification between 1.6 metres (5 ft 3 in) and 1.75 metres (5 ft 9 in).
4.4 When pipe is cold expanded, the amount of expansion shall not exceed one and one-half percent (1-1⁄2%) of the specified outside diameter of the pipe. [4] APPLICATIONS ASTM A53 pipeline is planned for mechanical as well as pressure applications and is also appropriate for ordinary usages in vapor, water, gas and also air lines. [5]
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