9
2. Maintenance
2.3 Valve Assembly
9. Assemble the valve body ends (2), with gaskets (13) in place, to each end of the valve body (1). ½” through 2” size use 4
bolts (14) and 4 bolt nuts (17). 3” and 4” size, use 4 studs (14) and 8 stud nuts (17). Refer to Table 1 for proper torques.
10. Place spring washers (6) together so that their curved surfaces are facing outward, in opposite directions, and place
them over the stem (4).
11. Place stop washer (12) onto stem (4). Making sure the stop washer lock tab is flat. Instal stem nut (5) onto valve stem
(4). Refer to table 2 for stem nut tightening torque.
Once stem nut is properly tightened, bend tab of lock washer (12) up against the stem nut (5) using a screwdriver or
punch.
Instal handle (7) over valve stem (4) and secure with handle nut (20). Be sure the handle locking devise (18) will allign with
both locking notches in valve body (1).
If you are using an electric or pnuematic valve, place the actuator/bracket assembly on the upper body of the valve, and
secure it to the valve with two mounting bracket screws.
Bolting Torque Data for Sanitary Ball Valves
Table 1
Valve
For Body Bolting
Size
Size
in-lb
NM
½”
1
/
4
” - 20unc
80
9
3
/
4
”
1
/
4
” - 20unc
80
9
1”
5
/
16
” - 18unc
110
12
1½”
3
/
8
” - 16unc
170
19
2”
7
/
16
” - 14unc
230
26
3”
5
/
8
” - 11unc
570
64
4”
5
/
8
” - 11unc
600
68
Table 2
Valve
For Stem Nut
Size
Size
in-lb
NM
½”
3
/
8
” - 24unf
87
9.8
3
/
4
”
3
/
8
” - 24unf
87
9.8
1”
3
/
8
” - 24unf
87
9.8
1½”
7
/
16
” - 20unf
122
13.7
2”
9
/
16
” - 18unf
165
18.6
3”
M24
191
21.6
4”
M24
191
21.6
ï
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