We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Steel Line Blanks
Standard published on 1.3.1985
Selected format:Process Valve Qualification Procedure, Sixth Edition
Standard published on 1.4.2019
Selected format:Check Valves: Flanged, Lug, Wafer, and Butt-welding, Ninth Edition
Standard published on 1.2.2022
Selected format:Steel Venturi Gate Valves, Flanged, Buttwelding Ends
Standard published on 1.10.1981
Selected format:Valve Inspection and Testing, Eleventh Edition
Standard published on 1.2.2023
Selected format:Metal Plug Valves - Flanged, Threaded, and Welding Ends, Ninth Edition
Standard published on 1.10.2025
Selected format:Specifications for Steel and Iron Pipe for Oil Country Tubular Goods, 1st Edition
Standard published on 20.10.1924
Selected format:Thread Compounds for Casing, Tubing, Line Pipe, and Drill Stem Elements, Fourth Edition
Standard published on 1.2.2023
Selected format:Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Seventh Edition, Includes Errata (2009)
Standard published on 1.6.2005
Selected format:Errata to Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Seventh Edition
Adjunct of the standard published on 1.12.2009
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
© Copyright 2025 NORMSERVIS s.r.o.