ANSI/FCI 70-3-2016 pdf free download
ANSI/FCI 70-3-2016 pdf free download.AMERICAN NATIONAL STANDARD REGULATOR SEAT LEAKAGE. 1. PURPOSE 1.1 This standard establishes a series of seat leakage classes for regulators and defines the production test procedures. 2. SCOPE & LIMITATIONS 2.1 This standard applies to pilot operated and direct acting pressure reducing, pressure relieving (back pressure), differential pressure and temperature regulators. 2.2 Selection of a leakage...