SSP recently conducted comparative assembly tests. The test report documents the results of performance testing on 1/4”, 3/8”, 1/2”, 3/4” and 1”, SSP Duolok®, Parker-Hannifin A-LOK®, and Swagelok® Tube Fittings. The samples were tested for initial make up torque in SSP’s ISO 17025 accredited Technical Center Laboratory. In every case Duolok test results met or exceeded the established Design Team’s Acceptance Criteria for these products. As such, they also met or exceeded equivalent major competitive product performance, as measured in test data and / or reported in publications.