Flowserve FlowAct IG 253 Assembly Instructions Manual page 33

FlowAct "IG"
Assembling instruction for
Valtek GS with FlowAct
Step Image
1
2
Actuator Type
Hand wheel
Safety position
Stroke
Instruction
• Fix the valve on the assembly table.
201
• Lubricate all threads with a suitable, approved
345
lubricant. (See Page 41, Table VA3)
• Mount the yoke (201), valve locknut (76) onto the
113
bonnet.
• Finger tighten and fix the valve locknut clockwise.
76
(See Page 41, Table VA1)
The legs of the yoke should be parallel to the flow
direction.
• Mount the lock nut (113) and valve coupling (345)
onto the valve stem. (See Page 41, Table VA2)
The valve stem should placed one turn under the
upper edge of the valve coupling.
• Lubricate the O-rings (278, 271) with a suitable
lubricant. (See Page 41, Table VA3)
• Install the O-ring (278) onto the pre-assembled
actuator body.
• Install the O-ring (271) onto the yoke.
278
• Lower the actuator body into the yoke.
271
Be careful not to score the actuator stem.
• Align the actuator in such a manner that the vent
plug are left behind and the ribs of the actuator
256
about parallel to the flow as shown.
• Install, finger tighten and fix the actuator lock nut
(256). (See Page 41, Table VA1)
FlowAct IG - FCD VLENAI00IGA4 03/15
Multi spring 503, 701
Side mounted
Spring to close
20, 40, 60
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33