The Fluid Control Institute (FCI) provides standards and other materials to assist purchasers and users in understanding and using fluid control and conditioning equipment such as control valves, solenoid valves and regulators.
FCI 68-2 - PROCEDURE IN RATING FLOW AND PRESSURE CHARACTERISTICS OF SOLENOID VALVES FOR LIQUID SERVICE
FCI 70-1 - STANDARD TERMINOLOGY AND DEFINITION FOR FILLED THERMAL SYSTEMS FOR REMOTE SENSING TEMPERATURE REGULARS
FCI 75-1 - TEST CONDITIONS AND PROCEDURES FOR MEASURING ELECTRICAL CHARACTERISTICS OF SOLENOID VALVES
FCI 82-1 - RECOMMENDED METHODS FOR TESTING AND CLASSIFYING THE WATER HAMMER CHARACTERISTICS OF ELECTRICALLY OPERATED VALVES
FCI 84-1 - METRIC DEFINITION OF THE VALVE FLOW COEFFICIENT CV
FCI 91-1 - STANDARD FOR QUALIFICATION OF CONTROL VALVE STEM SEALS