DN15 Through DN1200 Factory-made Seamless/welded Buttwelding Steel ElbowDelivery term:The date of payment from buyers deliver within days
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Elbows 45° - 90° - 180° LR/SR
The function of a elbow is to change direction or flow in a piping system. By default, there are 5 opportunities, the 45°, 90° and 180° elbows, all three in the "long radius" version, and in addition the 90° and 180° elbows both in the "short radius" version.
Long and Short Radius
Elbows are split into two groups which define the distance over which they change direction; the center line of one end to the opposite face. This is known as the "center to face" distance and is equivalent to the radius through which the elbow is bent.
The center to face distance for a "long" radius elbow, abbreviated LR always is "1½ x Nominal Pipe Size (NPS) (1½D)", while the center to face distance for a "short" radius elbow, abbreviated SR even is to nominal pipe size.
An elbow is installed between two lengths of pipe (or tubing) to allow a change of direction, usually a 90° or 45° angle; 22.5° elbows are also available. The ends may be machined for butt welding, threaded (usually female), or socketed. When the ends differ in size, it is known as a reducing (or reducer) elbow.
A 90º elbow, also known as a "90 bend", "90 ell" or "quarter bend", attaches readily to plastic, copper, cast iron, steel, and lead, and is attached to rubber with stainless-steel clamps. Other available materials include silicone, rubber compounds, galvanized steel, and nylon. It is primarily used to connect hoses to valves, water pumps and deck drains. A 45º elbow, also known as a "45 bend" or "45 ell", is commonly used in water-supply facilities, food, chemical and electronic industrial pipeline networks, air-conditioning pipelines, agriculture and garden production, and solar-energy facility piping.
Elbows are also categorized by length. The radius of curvature of a long-radius (LR) elbow is 1.5 times the pipe diameter, but a short-radius (SR) elbow has a radius equal to the pipe diameter. Short elbows, widely available, are typically used in pressurized systems, and in physically tight locations.
Stainless Steel : ASTM A403 WP 304, 304L, 304H, 316, 316L, 317, 317L, 321, 310, 347, 904L
Carbon Steel : ASTM A234 WPB, A420 WPL3, A420 WPL6, MSS-SP-75 WPHY 42, 46, 52, 56, 60, 65, 70
Alloy Steel : ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91
Others : Monel, nickel, inconel, hastelloy, copper, brass, bronze, titanium, tantalum, bismuth, aluminum, high speed steel, zinc and lead
Type : Seamless & Welded
Wall Thickness : Sch. 5S to Sch. XXS.
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