Published on 01-Dec-2020

What's That Weird Thing? - ERVT Block for Piping Welds Over 20 inches

What's That Weird Thing? - ERVT Block for Piping Welds Over 20 inches

ERVT™ Calibration Block for Flat Components and Piping Over 20" OD

The section thicknesses are .250”, 0.375”, 0.500”, 0.750”, 1.0” and 1.5”, providing coverage based on ASME Section V Art. 4 tolerances for piping from 0.200” all the way to 2”. 

The block features side-drilled hole (SDH) reflectors which are permitted as per ASME and provide a much more consistent reference target over a wide range of angles as compared to notches.  The SDHs also function as ASME-compliant reflectors for non-piping applications (T-434.2.1.)  The block is suitable for conventional as well as phased array ultrasonic calibrations.  Each section is conveniently engraved to indicate the range of pipe thicknesses covered.  The weight is just 13 lbs, only slightly heavier than a standard IIW block.


Source: ERVT™ Calibration Block for Flat Components and Piping Over 20" OD - PH Tool 



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