0M #808900 Polio International Ball Valves 94A & 95A SERIES GANDALF & ALFALFA LEAD FREE SERIES FORGED BRASS BALL VALVES INSTALLATION, OPERATION, & MAINTENANCE GUIDE INSTALLATION The Apollo International Ball valves are bi-directional. They may be vertical or horizontal pips runs without regard to flow direction and without regard to stem orientation. Note: Valves must be installed in piping systems that comply with the applicable portions the SAME B31 standards.