Instruction Manual
Lever-Lock Handlever Actuator
Instruction Manual
May 2009
2
Table 1. Specifications
Lever-Lock Handlever Actuator Sizes
See table 2
Valve Compatibility
Mounts on A81 valves per table 2
Maximum torque Output
See table 3
Handlever Length
Maximum of 432 mm (17 inches). See figure 2
and table 4
Construction Materials
Handle, quadrant plate, lever, and mounting
bracket are all steel materials. Spring, set screws,
and fasteners are stainless steel
Dimension and Approximate Weights
See figure 2 and table 4
1. The pressure/temperature limits in this manual, and any applicable code or standard limitation, should not be exceeded.
Table 2. Fisher A81 Valve / Lever-Lock Handlever Compatibility
HANDLEVER
ACTUATOR SIZE
VALVE SIZE SHAFT SIZE SQUARE SIZE
DN NPS mm Inches mm
I
50 2 12.7 1/2 9
80 3 15.9 5/8 11
II
100 4 19.1 3/4 14
150 6 25.4 1 17
Table 3. Maximum Allowable Torques and Handlever Force Requirements
VALVE DISK
POSITION
MAXIMUM TORQUE
HANDLEVER FORCE REQUIRED
Size I Size II
NSm InSLb NSm InSLb
N Lbf
0 Degrees
(Breakout Torque)
119 1050 164 1450 423 95
All Other Angles
(Dynamic Torque)
47 420 70 620 178 40








