RTJ gauges

+ Designed to allow on-site and post-machining inspection for compliance of Ring-Type Joint (RTJ) grooves.
+ The gauges are designed to cover all standard ASME B16.5 flange groove dimensions and allow inspection of both the groove seating surface condition (post assembly) in accordance with ASME PCC-1 Appendix D and the groove dimensional compliance (post machining) in accordance with ASME B16.5.
+ The gauge set includes full laminated instructions for use of the gauges..