90° Elbow
90 Degree Elbow Buttweld Fittings, Long Radius Elbow, Short Radius Elbow Manufacturer & Exporter in India
90 Degree Buttweld Fittings and Elbow 90 degree Buttweld fittings,90 Degree Long radius Elbow, 90 Degree short radius Elbow,90 Degree Extra Long radius Elbow
Manufacturer & Exporter of Alloy Steel, Carbon Steel, Duplex Steel, Inconel & Monel 90 Degree Buttweld Fittings, Stainless Steel 90 Degree Elbow Buttweld Fittings in India
The function of an elbow is to change direction of flow in a piping system. Elbows are split into three groups, which define the distance over which they change direction, which is expressed as a function of the distance from the centre line of one end to the opposite face. This is known as the centre to face distance and is equivalent to the radius through which is the elbow is bent. 90 degree elbow, also called "90 bends or 90 elbows", are manufactured as SR (Short Radius) elbows and
LR (Long Radius) elbows. SR (Short Radius) elbows have a Center-to-Face dimension of 1.0 X diameter and are typically used in tight areas where clearances are an issue. LR (Long Radius) elbows have a Center-to-Face dimension of 1.5 X diameter and are the more common type and used when space is available and flow is more critical. This is a fitting device which is bent in such a way to produce 90 degree change in the direction of flow of the content in the pipe. An Elbow is used to change the direction in piping and is also sometimes called a "quarter bend". A 90 degree elbow attaches readily to plastic, copper, cast iron, steel and lead. It can also attach to rubber with stainless steel clamps. Available in many materials like silicon, rubber compounds, galvanized steel etc, they connect rigid or IMC circuit together to allow for 90 degree bends. The main application area of an elbow (90 degree) is to connect hoses to valves, water pressure pumps, and deck drains. These elbows can be made from tough nylon material or NPT thread.
Long Radius Elbow :
The most common is long radius (L.R.) elbow where the centre to face dimension (A) is always 1 ½ times the nominal pipe size of the elbow.
The most common is long radius (L.R.) elbow where the centre to face dimension (A) is always 1 ½ times the nominal pipe size of the elbow.
Short Radius Elbow :
In this case the centre dimension(A) is the same as the nominal pipe size of the elbow.
In this case the centre dimension(A) is the same as the nominal pipe size of the elbow.
Extra Long Radius :
This is where the centre to face dimension is longer than the standard long radius type. The most common of these is where the centre to face dimension is three nominal size, i.e. 3D.
This is where the centre to face dimension is longer than the standard long radius type. The most common of these is where the centre to face dimension is three nominal size, i.e. 3D.
| Material | Standards and Grades |
| Stainless steel elbow | ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L |
| Carbon steel elbow | ASTM A 234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 |
| Low temperature carbon steel elbow | ASTM A420 WPL3 / A420WPL6 |
| Alloy steel elbow | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Duplex steel elbow | ASTM A 815 UNS NO S 31803, S 32205 |
| Nickel alloy elbow |
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