Emerson Fisher 1051 Instruction Manual page 9

Instruction Manual
D101322X012
DESIRED
DESIRED
SHAFT
ACTUATOR
ROTATION,
ACTION
DEGREES
Push Down to Open
60 or 90
(PDTO)
Push Down to Close
(3)
60
(PDTC)
1. For conventional disc valve bodies, use either valve shaft keyway.
2. When viewed from actuator side of valve body.
3. For 60‐degree rotation with PDTC action, the coupling and actuator output shaft assembly will offset 30 degrees clockwise (for actuator housing construction style B), or counterclock­
wise (for actuator housing construction Style A) in the lever when viewed from the splined end of the actuator shaft. 30 degrees is one spline tooth for 9.5, 12.7, and 15.9 mm (3/8, 1/2,
and 5/8 inch) valve shafts and two spline teeth for 19.1 mm (3/4 inch) valve shafts.
Figure 4. Valve Shaft Coupling for the J Mounting Adaptation
COUPLING
1
FULL KEYWAY
LOCATED ON
NOSE AND TAIL
SIDE OF VALVE SHAFT
VALVE SHAFT
PARTIAL KEYWAY
USE APPROPRIATE
FOR DETERMINING
VALVE SHAFT
DISC POSITION
KEYWAY AS
INDICATED
IN TABLE 5
EXPLODED VIEW OF VALVE SHAFT
AND COUPLING
NOTES:
FOR USE WITH J MOUNTING ADAPTATION.
1
A3253*
WARNING
To avoid personal injury and equipment damage from moving parts, keep fingers and tools clear while stroking the
actuator with the cover removed.
9. Stroke the actuator and adjust the down travel stop so that the valve ball or disc is in the desired position.
10. Make sure that the travel indicator pointer matches the ball or disc position. Remove and install in the proper
position if necessary.
ACTUATOR
MOUNTING
POSITION
1
2
3
4
1
2
or 90
3
4
USE APPROPRIATE LETTERED
KEYWAY AS INDICATED IN
TABLE 5
VALVE SHAFT KEYWAY TO USE FOR FISHTAIL™
COUPLING
Clockwise to
KEYWAY
Close Valve Action
(3)
TO USE
Flow Left
(2)
to Right
B Nose
A Tail
B Tail
A Nose
A Tail
B Tail
A Nose
B Nose
19A1465‐B
1051 and 1052 Size 33 Actuators
(1)
DISC VALVE BODIES (SEE FIGURE 2)
Counterclockwise to
(2)
Close Valve Action
Flow Right Flow Left
(2)
to Left to Right
Tail Tail
Nose Nose
Nose Nose
Tail Tail
Nose Tail
Nose Tail
Tail Nose
Tail Nose
KEYWAY A
REFERENCE COUPLING ORIENTATION
FOR TABLE 5
June 2017
(2)
Flow Right
(2) (2)
to Left
Nose
Tail
Tail
Nose
Nose
Nose
Tail
Tail
KEYWAY B
ABOVE
KEYWAY A
9