TUBE SHEET, Various flanges, Plate, Head

A  flange is a method of connecting pipe, valves and other equipment to form a pipe work System. Suitable for standard  ASA/ANSI (USA), PN/DIN(EUROPEAN), BS*0( BRITISH/AUSTRALIAN) , AND JIK/KS ( JAPAN/KOREA), API, AWWA,, MSS, NF in various material

Flange for pipe work system is providing  easy access for cleaning, inspection, or modification . Flanges are usually welded or screwed into such systems and then jointed with bolts. Other joining techniques are welding and threaded joint. 

The flange faces are made to standardized dimensions and are typically “ flat face”, “raised face”, “ tongue and groove” or “ ring joint” styles, although other obscure styles are possible.

Flange designs are available as “ welding neck”, slip-on”, “boss””lap joint”, “ socket weld”, “threaded” and also “blind”. 

To allow easy functionality and inter-changeability, these are designed to have standardized dimensions like common world standards included ANSI, DIN, BS, JIS/KS etc.