NM01ERVDSTEPBLOCKICS

The second addition to the Extended Range Variables (ERV™) product line, this Extended Range Variable Diameter (ERVD™) Thickness Calibration Block was jointly designed by PH Tool and Holloway NDT, intended for use as a versatile curved step block for thickness testing of pipe. Available in both Inch and Metric. With Multiple sizes in one convenient block, the ERVD™ Block covers the below diameters and steps - 

Inch

• 3/4” NPS (1.050” OD) Steps .050, .150, .300”
• 1” NPS (1.315” OD) Steps .050, .200, .400”
• 2” NPS (2.375” OD) Steps .050, .250, .500”
• 4” NPS (4.500” OD) Steps .050, .250, .500, .750”
• Flat area for larger pipes. Steps .050, .200, .400, .600“
• “Bonus” Flat Step by using .750” block thickness

Metric

• DN 20 (26.7mm OD) Steps 1.0, 4.0, 8.0mm
• DN 25 (33.4mm OD) Steps 1.0, 5.0, 10.0mm
• DN 50 (60.3mm OD) Steps 1.0, 6.0, 12.0mm
• DN 100 (114.3mm OD) Steps 1.0, 6.0, 12.0, 18.0mm
• Flat area for larger pipes. Steps 1.0, 5.0, 10.0, 15.0mm
• “Bonus” Flat Step by using 20mm block thickness
• 18 calibration thicknesses in total