1.1 PurposeThis International Standard specifies requirements and gives recommendations for the performance,dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking,handling, storing, shipment, purchasing, repair and remanufacture of wellhead and christmas tree equipment for use in the petroleum and natural gas industries.This International Standard does not apply to field use, field testing or field repair of wellhead and christmas tree equipment.
DS/EN ISO 10423:2010 history
2010DS/EN ISO 10423:2010 Petroleum and natural gas industries - Drilling and production equipment - Wellhead and christmas tree equipment