News and Events SSP News Duolok and A-Lok Interchange and Intermix 10 February, 2012 SSP conducted interchange-intermix tests in our ISO 17025 accredited Technical Center Laborotory, in every case interchanged and intermixed Duolok and A-LOK assemblies passed the tests! Read the full article to find out how you can receive a free report! Read More > SSP Duolok has Lowest Make Up Torque of All Major Competitors 07 February, 2012 The force required to assemble, or “make-up,” an instrumentation fitting is one of the most important variables that manufacturers attempt to control and minimize. Consistently low make-up torque reduces installer fatigue, facilitates proper assembly, and ultimately contributes to safer, leak-free connections. Read more to receive a free report! Read More > View More News Stories