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Extended Range Variable Diameter (ERVD™) Thickness
Calibration Block is used as a versatile curved step block for
thickness testing of pipe. Available in both Inch and Metric.
The Inch ERVD™
Block covers the below diameters and steps -
Engraved markings show pipe diameters for each section.
Narrow slots are cut completely through the block to create multiple points for
calibration. The various distances from the OD to the outboard side of the slot
represent different wall thicknesses. Thickness values are engraved directly on
the block for convenient calibration.