NIBCO Rubber-Seated Butterfly Valves - Manual (Page 8)

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224
8
2” – 12”
UL/FM VALVE GEAR OPERATOR
Part
Number
Valve
Size
Valve
Series
T117166 PP
2” – 4”
2-1/2” – 3”
WD/LD-3510
GD-4765
T117167 PP
5” – 6”
4” – 6” WD/LD-3510
GD-4765
T117890 PP
8”
8” WD/LD-3510
GD-4765
T117168 PP
10” – 12”
10”
WD/LD-3510
GD-4765
TABLE 5
Tools Required
2” – 8” valves 4mm or 5mm hex Allen wrench
10” – 18” valves 6mm hex Allen wrench
20” – 24” valves 8mm hex Allen wrench
V. STOP ADJUSTMENT PROCEDURE
1. With valve in closed position, mount gear operator onto body.
2. Remove 2 lock-screws (A) from gear operator body.
3. Turn shut stop screw (B) clockwise until snug.
4. Open valve by turning handwheel until valve disc is in the fully open position.
5. Turn open stop screw (C) clockwise until snug.
6. Close valve by turning handwheel until valve is in the fully closed position.
7. Inspect valve to be sure disc returned to a fully closed position with disc centered in the
seat area. Readjust shut stop screw (B) if necessary.
8. Reinstall 2 lock-screws (A) into gear operator body to lock stops in position.
NOTE: The gear operator’s OPEN position has been set at time of shipping. These
instructions should be used for slight adjustment as needed.
2” – 24”
COMMERCIAL VALVE GEAR OPERATOR
Part
Number
Valve
Size
Valve
Series
T117118 PP
2” – 6”
2” – 5” WD/LD-2000/3000
FC/FD/GD-2000/5000/4000
T117119 PP
8”
6” – 8”
WD/LD-2000/3000
FC/FD/GD-2000/5000/4000
T117120 PP
T117121 PP
10”
12”
10” – 12”
WD/LD-2000/3000
WD/LD-2000/3000
FC/FD/GD-2000/5000/4000
T116697 PP
T026150 PP
T026151 PP
T026211 PP
T026212 PP 14”
16”
18”
20”
24”
LD-1000