Quality Standards for Steel Castings for Valves, Flanges, Fittings and Other Piping Components – Visual Method for Evaluation of Surface Irregularities.
Industrial-Process Control Valves – Part 3-1: Dimensions – Face-to-Face Dimensions for Flanged, Two-Way, Globe-Type, Straight Pattern and Centre-to-Face Dimensions for Flanged, Two-Way, Globe-Type, Angle Pattern Control Valves
Face-to-Face and End-to-End Dimensions of Valves
Pipe flanges and flanged fittings NPS 1/2 through NPS 24 metric/inch standard
Valves – Flanged, threaded and welding ends
Pressure Testing of Valves
Control Valve Seat Leakage
Standard Marking System for Valves, Fittings, Flanges, and Unions
Industrial-Process Control Valves – Part 4: Inspection and Routine Testing
Method of Evaluating the Performance of Positioners With Analog Input Signals and Pneumatic Output
Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 1: General requirements.
Classification of Control Valves
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