WebSerrated flange surfaces consist of concentric circular grooves, or a continuous spiral groove (also known as ‘ phonographic ’) machined onto the flange sealing surface. … WebDec 10, 2024 · Different types of flange facing finish: Generally, there are 4 types of facing finishes as illustrated in the above picture. STOCK FINISH The most widely used of any flange surface finish, because practically, …
Flange Face Surface Finish - [PDF Document]
WebNov 26, 2024 · Featuring a long-lasting double edged carbide cutting bit, this flange facing tool produces a precise phonographic finish on RF and FF gasket seats. Providing 0.005” alignment accuracy, the Esco FLANGE HOG 110 requires minimal operator training and comes as a complete kit. WebJan 10, 2009 · Raised faced flange shall have serrated finish having 24 to 40 grooves per inch. The cutting tool shall have an approximate 0.06 in. or larger radius resulting 500 microinch approximate roughness (ASME B16.5 - 6.3.4.1) The side wall surface of gasket groove of ring joint flange shall not exceed 63 microinch roughness (ASME B16.5 - … dusty old farmhouse bathroom
5 Steps to Creating a Phonographic Finish - CLIMAX …
WebNov 29, 2014 · Flange Face Surface Finish The American National Standards Institute (ANSI) code for flanges and flanged fittings (ANSI B16.5) requires that the flange face has a specific roughness to ensure that this surface be compatible with the gasket and provide a high quality seal. WebMay 16, 2012 · Per rigatura fonografica si intendono una serie di scanalature concentriche fatte intorno al diametro interno di una flangia ( che è essensialmente un anello piatto ) Tali rigature servono per far aderire meglio la guarnizione che verrà messa tra … WebWe recommend that metal flange faces be machined with a concentric-serrated finish of 125-500 AARH, with 250 AARH being the optimum for non-metallic gaskets. Phonographic serrations can also be used with our materials. It should be recognized, however, that their continuous leak path makes them more difficult to seal. dusty perin