Metal overlays that protect the gasket surface area of a raised face flange as well as the interior of pipe spools and vessels during service when it is necessary to leave the flange face open for a short period of time in areas where contamination from foreign objects and materials are present

'area':8,43 'contamin':45 'face':12,34 'flang':13,33 'foreign':47 'gasket':6 'interior':18 'leav':31 'materi':50 'metal':1 'necessari':29 'object':48 'open':35 'overlay':2 'period':39 'pipe':20 'present':52 'protect':4 'rais':11 'servic':25 'short':38 'spool':21 'surfac':7 'time':41 'vessel':23 'well':15

FLANGEMAGS

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