Half Price Standard Code

Steel Venturi Gate Valves, Flanged, Buttwelding Ends
standard by American Petroleum Institute, 10/01/1981

Valve Inspection and Testing, Eleventh Edition
standard by American Petroleum Institute, 02/01/2023

Recommended Practice for Flowline Connectors and Jumpers, Second Edition
standard by American Petroleum Institute, 12/01/2022

Specification for High-Test Line Pipe, Twenty-first Edition
standard by American Petroleum Institute, 03/01/1977

Specification for Wellhead and Christmas Tree Equipment, 9th Edition
standard by American Petroleum Institute, 01/01/1972

Specifications and Qualification Procedures for Aviation Fuel Microfilters
standard by American Petroleum Institute, 04/01/2002

Specification for High-Test Line Pipe, Sixth Edition
standard by American Petroleum Institute, 02/01/1956

Laboratory tests and minimum performance levels for aviation fuel dirt defence filters
standard by American Petroleum Institute, 03/01/2007

Determination of Water in Crude Oil by Distillation, Fifth Edition
Handbook / Manual / Guide by American Petroleum Institute, 12/01/2022

Specification for High-Test Line Pipe, Twelfth Edition
standard by American Petroleum Institute, 03/01/1965