Blind flange dimensions are covered in ASME B16.5 – which covers Pipe Flanges and Flanged Fittings for size NPS ½” to 24” for above NPS 26” to 60” it should be as per ASME B16.47.
The flange is second most used joining method after welding. Flanges are used when joints need dismantling.
Flanges are used to join two joints of pipe.
AWWA flanges refer to pipe flanges based on standard specifications from the American Water Works Association (AWWA).
Pipe flanges are attachments to pipes that serve a wide array of purposes. For instance, they may help in attaching other items to pipes.
A spectacle blind – also known as a figure-8 blind – is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets.
As already described before, the most used flange types acc. to ASME B16.5 are: Welding Neck flange, Slip On flange, Socket Weld flange, Lap Joint flange, Threaded flange and Blind flange.
The blind flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes.
The American National Standards Institute (ANSI) calls for the use of an ANSI flange to be used on specific applications. The ANSI flange is a three-part flange consisting of one flat flange, one flange machined to take a rubber O-ring…
Pipe flanges are method of connecting pipes, valves, pumps and other equipment to form a piping system.