Flush disc coupon of various sizes and models for 2″ system cormon corrosion monitoring, which are commonly used for oil and gas, upstream dan downstream, chemical companies, etc. Generally used in applications where the coupon cannot extend into the pipe to interfere with the flow or pigging operations.
Coupon Preparation and Cleaning
The decision of strategy for beginning readiness of the coupon surface, and for cleaning the coupon
later use, is basic in getting helpful information. Both the pertinence and reproducibility of weight reduction
information are exceptionally touchy to the inborn reasonableness of these methods, and to the consideration with which
they are executed.
Surface completing strategies fluctuate across an expansive reach for
explicit applications. Impacting with glass dab, sand, or
other total can give a satisfactory completion to a few
applications. Sanding with rough belts, or surface or
twofold plate crushing with rough stones likewise gives an
superb surface for assessment.
Cleaning of examples prior to gauging and openness is basic to eliminate any pollutants that
could influence test results.
Reference ought to be made to NACE Recommended Practice RP-0775 and ASTM G-1 and G-4 for
further detail on surface getting done and cleaning of weight reduction coupons.
Corrosion Monitoring 