Installation Guide

Apollo 2 Piece Threaded Steel and Steel Alloy Ball Valves
Installation, Operation, & Maintenance Guide
3
7) Apply suitable light lubricant to seat and fit into the seat pocket
of the body.
8) Install the ball in the closed position.
9) Apply suitable light lubricant to seat and fit into the seat pocket
of the retainer.
10) Apply an adequate amount of thread locking compound
(Loctite® 609, 648 or 680) to the retainer threads so that it
covers no less than two complete threads opposite of the
retainer shoulder.
11) With the ball in the closed position, thread the retainer into the
body and torque to manufacturing specification to secure the
body joint. Torque values are provided in Table 2.
12) Cycle the valve to the open position and verify proper
operation and alignment of handle and/or mechanism.
Note: Valves in oxygen or other like services should be assembled
with compatible thread sealant and lubricants.
Note: Always test valve and system before putting the system into
service.
Table 1: Gland Nut Torque Requirements (ft-lbs.)
Valve Size
Gland Nut Torque
1
⁄
4
" -
3
⁄
8
"
12-18
1
⁄
2
"
12-18
3
⁄
4
"
20-25
1"
20-25
1-
1
⁄
4
"
61-100
1-
1
⁄
2
"
61-100
2"
61-100
2-
1
⁄
2
"
61-100
3"
61-100
Table 2: Retainer Torque Requirements, min. (ft-lbs.)
Valve Size
72, 73A, 74, 76,
89, 399, 489
7H, 76F
72-A
1
⁄
4
" -
3
⁄
8
"
25
15
-
1
⁄
2
"
25
15
50
3
⁄
4
"
25
20
100
1"
70
50
130
1-
1
⁄
4
"
110
95
230
1-
1
⁄
2
"
130
230
260
2"
200
230
450
2-
1
⁄
2
"
300
450
-
3"
960
1800
-
Parts Illustration
STEM
HANDLE NUT
GLAND SCREW
STEM PACKING
STEM BEARING
SEAT
BALL
RETAINER
HANDLE
BODY