ANSI/FCI 15-1-2015 pdf free download.AMERICAN NATIONAL STANDARD STANDARD FOR PRODUCTION TESTING OF PRESSURE REGULATORS. 1. PURPOSE This standard establishes minimum guidelines for production testing of pressure regulators for use by manufacturers, specifiers, inspectors, and users to ensure testing of atmospheric leak tightness and seat leakage are completed at the factory before shipment. 2. SCOPE and LIMITATIONS 2.1. This standard provides...