BV5 and BV5C Series Hex Bar Stock Ball Valves, feature compact structure and low operating torque. The BV5 series valves can be locked. For valve sizes 05, 07 and 10, the lock hole diameter is 0.19 in. (4.8 mm); for sizes 12 and 16, the lock hole diameter is 0.22 in. (5.7 mm). They are equipped with an anti-blowout stem structure, with a wide selection of port types and sizes available.