| To determine the minimum bolt length on the side opposite the seat for those valves with tapped holes: • add the valve flange thickness (dimension D from chart) • add adjoining pipe flange thickness (customer determined) Bolt Length for Tapped Holes - Seat Side To determine the minimum bolt length on the seat side for those valves with tapped holes: • add the valve flange thickness (dimension D from chart) • add seat retainer length (dimension B from chart) • add adjoining pipe flange thickness (customer determined) Bolt Length - Side Opposite Seat To determine the minimum bolt length on the side opposite the seat: • add the valve flange thickness (dimension D from chart) • add the adjoining pipe flange thickness (customer determined) • add nut thickness (customer determined) Bolt Length - Seat Side To determine the minimum bolt length on the seat side of flanged valves: • add the valve flange thickness (dimension D from chart) • add seat retainer length (dimension B from chart) • add adjoining pipe flange thickness (customer determined) • add nut thickness (customer determined) |