... ), BS10( BRITISH/AUSTRALIAN) , AND JIK/KS ( JAPAN/KOREA), API, AWWA,, MSS, NF in various materialFlange for pipe work system ... 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”.We export ...