What is a Flange?
A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or screwed. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal.
What is a long Weld neck Flange?
Long weld neck flanges (LWN) are similar to weld neck flanges, and are commonly used in high pressure systems as they can deal with both hot and cold temperatures which is ideal for the industries. This Flange is attached to a pipe by welding the pipe to the neck of the pipe flange. This is because, the LWN Flange helps to reduce stress coming from the pipe. Long weld neck flange, comes with the exception that the neck of this flange is extended and acts like a boring extension. Vessels, columns, barrels are the components where the Long Weld Neck Flanges is generally used.
Long weld neck flanges are similar to a standard weld neck flange but the LWN Flange is significantly longer. A, Key Benefit of using LWN Flange is that it is ideal for high pressure applications and it does not disturb the flow of fluid coming through the flange. For a Stronger weld, the neck of the flange needs to be placed with the weld joint for a proper alignment to the pipe.
Features of Long Weld Neck Flanges
Benefits of Using Long Weld Neck Flanges
Specification of Long Weld Neck Flange
StandardsANSI, JIS, DIN, EN1092-1, UNI, BS4504, SABS1123, AS2129, GOST-12820DimensionANSI B 16.5, BS 1560. BS 10, IS 6392, B-2.1 NPT, API, DIN, JIS. MSS SP 44MaterialASTM A105, ASME A105More Resources:
What are Blind Flange and how it is differs from other type of Flanges?
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