Ansi B16.5 & Asme B16.5 Flanges In Details

By Author: karan
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A flange is an external or internal ridge, or rim, for strength, as the flange of an iron beam such as an I-beam or a T-beam or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. Star Tubes & Fittings is Flanges Manufacturers in India. We also manufacture supplier of various types of flanges such as Slip On Flange, Weld Neck Flange, Blind Flange, Threaded Flange, Lap Joint Flange, Socket Weld Flange, Long Weld Neck Flange, Companion Flange, Orifice Flange & many more.
The B16.5 standard was first published by ANSI in 1973. Prior to that it was an ASA standard.  In 1996 the standard changed to ASME B16.5. For 10 years prior to the change, the standard included both & was listed as ANSI/ASME B16.5.  
So what's the difference?  The answer is there is no difference. The ASA, ANSI & ASME have continually refined & broadened the B16.5 ...
... standard.  I'm sure there is a committee working on future enhancements right now.  
The current & correct standard is ASME B16.5. ANSI B16.5 is common industry lingo & is still referred to extensively by architects, engineers, manufacturers & suppliers. And although the ANSI B16.5 standard does not technically exist, it its understood as another way to say ASME B16.5.  
 
The B16.5 Standard defines the following:

Dimensions
Tolerances
Materials
Markings
Pressure/Temperature Ratings
Pressure Testing

 
Different types of ANSI B16.5 Flanges

ANSI B16.5 Slip on Flanges
ANSI B16.5 Weld Neck Flanges
ANSI B16.5 Blind Flanges
ANSI B16.5 Threaded Flanges
ANSI B16.5 Socket Weld Flanges
ANSI B16.5 Lap Joint Flanges
ANSI B16.5 Long Weld Neck Flanges
ANSI B16.5 Companion Flanges
ANSI B16.5 Orifice Flanges

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