Haskel International, Inc recently announced successful completion of Performance Verification Testing, per API 6A, 19th ed., for seven models of its BuTech brand of subsea valves. Tests were confirmed by DNV (Det Norske Veritas Classification (Americas), Inc, who inspected individual performance verification testing reports and issued an official Project Summary Report covering the scope of the DNV inspection. Tests demonstrated the integrity of the subsea valves in accordance with the standard, and provided data to support the confidence that BuTech subsea valves meet performance, safety and reliability expectations in the deepest water and some of the harshest environments in the offshore oil and gas industry. The valves were subjected to Hydrostatic, Hyperbaric and Calibrated Temperature Bath Testing that simulate the extreme heat, cold and pressure adversities that exceed the environment in which Sub-Sea valves must reliably operate. Tests proved the BuTech valves conform to all aspects stated in API 6A (19th Edition), ISO 10423:2003 PR2, Annex F, a global industry standard that is recognized around the world as the Specification for Wellhead and Christmas Tree Equipment that covers equipment utilized for pressure control systems for production of oil and gas.