PH Tool ERVD™ Thickness Calibration Block

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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.

Material

1018 Steel, 304 Stainless Steel

Measurement Unit

Inch, Metric

Include Case

None, Wood Case

Include Dimensional Report

Yes, No

Alloy:  1018 Steel, Nickel-plated

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

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. Block also engraved with alloy and unique S/N that ties it to the certs.

Alloy:  Type 304 Stainless Steel

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

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. Block also engraved with alloy and unique S/N that ties it to the certs.

PH Tool ERVD™ Thickness Calibration Block

Only by Request

Only by Request

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