Crane/Pacific Hydrocarbon Cracking and High Pressure Steam Valves. Built for the toughest refinery services. Pacific Wedgeplug and Pressure Seal valves can be found in the toughest refinery services - hydrocracking, FCCUs, ethelene cracking, delayed cokers, asphalt production and many others. Pressure Seal valves are also employed plant-wide in difficult high pressure steam applications. Tens of thousands of Pacific valves installed in hundreds of refineriesaround the world offer unequaled reliability, quality, peace of mind and: > More than 60 years of refinery proven performance> Dependable, long lasting shut off> Conformity to ASME, API and other industry standards for design and performance.