Промышленность нефтяная и газовая. Буровое и эксплуатационное оборудование. Технические условия на клапаны, устьевую и фонтанную арматуру
Название (англ.):
Petroleum and natural gas industries - Drilling and production equipment - Specification for valves, wellhead and christmas tree equipment
Описание (англ.):
Provides for the availability of safe, dimensionally and functionally interchangeable wellhead and christmas tree equipment by laying down the requirements for performance, design, materials, testing, inspections, welding, marking, handling, storing and shipping.