88 SERIES
Full Port Ball Valve
Installation & Maintenance Manual
5
August 5, 2019
www.a-tcontrols.com
IOM07001 REVISION 01
Fastener Torque Chart
Valve Size
50% of Max Body
Bolt Torque
(In-lbs.)
Max Torque of Body Bolt
(In-lbs.)
Max Torque of Stem Nut
(In-lbs.)
¼”
50
100
69
3/8”
50
100
69
½”
65
130
78
¾”
80
160
78
1”
100
200
122
1-1/4”
110
220
122
1-1/2”
188
375
165
2”
203
405
165
2-1/2”
220
440
191
3”
243
485
191
4”
258
515
217
6.
REPAIR KITS
Repair kits are available to replace all soft goods. See Bill of Materials for components that are included in the repair kits.