Valve Body Bolt Torque
Series 44, 44 IOS, 44 Fire Safe, 150/300

The paper on the inside top section states -
Bolt Diameter 1/4", 5/6", 3/8", 7/16"
Carbon Steel Bolts 96-120, 156-204, 216-264, 480-540 in - LBS and 10.8 - 13.5, 17.6-23.1, 24.4-29.8, 54.2-61 n x m
Stainless Steel Bolts 72-94, 120-144, 192-216, 336-385 in-lbs and 8.1 - 10.6, 13.6-16.3, 21.7-24.4, 38.8-43.4 n x m