Inspection Systems to Replace Thread Ring, Plug Gages

Johnson Gage features its external and internal inspection systems for NPT, NPTF, ANPT and NGT threads in accordance with ASME B1.20 specifications.

Johnson Gage features its external and internal inspection systems for NPT, NPTF, ANPT and NGT threads in accordance with ASME B1.20 specifications. The indicating systems are designed to replace L1 thread ring and thread plug gages. Supplementary capabilities enable conformance of all thread elements and characteristics to assure leak-free connections for all applications.

Also on display is the JCR runout and concentricity inspection system for verification of cylindrical runout. The JCR system can be used as a stand-alone device or with an optical comparator for verification of geometries in cutting tool product applications. It incorporates precision datum rolls, a proprietary upper tension roll assembly, and integral axial stop pins designed for proper part staging and gage accuracy.

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