西北油田2025年老旧更新工程、一号站AT1站工程及采油四厂顺北二区及油气藏评价井7口井、顺北4-6号工程阀门中国石油化工股份有限公司西北油田分公司截止阀\KJ61Y-100CDN15截止阀\KJ61Y-100CDN15截止阀\KJ61Y-100CDN15截止阀\KJ61Y-100CDN15截止阀\KJ61Y-100CDN15截止阀\KJ541Y-100DN300截止阀\KJ541Y-100DN300截止阀\KJ541Y-100DN300截止阀\KJ541Y-100DN300节流截止放空阀\DN50PN100RFA216WCBSTL/VITONGB/T12224抗硫节流截止放空阀\DN50PN100BWA216WCBSTL6/VITONGB/T12224抗硫截止阀\KJ541Y-100DN300截止阀\KJ61Y-100DN50BW止回阀\KH44Y-100DN200截止阀\KJ41Y-100DN50截止阀\KJ41Y-100DN25截止阀\KJ41Y-100DN20截止阀\KJ41Y-100DN200截止阀\KGMJ11F/H-16P DN15截止阀\KJ541Y-16CDN200阀杆S20910截止阀\KJ541Y-16CDN300阀杆S20910节流截止放空阀\DN20 PN16 RF A105 STL/VITON GB/T 12224 抗硫
2025-12-22