16
Valve Body
Rev 12 – NOV 2019
OMMG00012
3.3
Operation
CAUTION
Damage can be caused to the valve assembly if a cheater or extension
bar is used on the handwheel. Do not use any mechanical aid to turn
the handwheel.
Under normal conditions, the valve is operated electrically by the actuator.
Manual operation is possible at any time by disengaging electrical drive with
the actuator declutching lever and turning the handwheel.
On failure of the valve to operate correctly, refer to the troubleshooting guide
in 0.
3.4
Maintenance
3.4.1
Dismantle and Assemble 2 and 3 inch Valves
Dismantle Valve (refer to Fig 3, page 16)
It is possible to dismantle the valve without the need to remove it from the
pipework as follows:
WARNING
The valve may contain hot/pressurised fluid. Ensure the valve is
isolated, drained and allowed to cool to a safe working level before
dismantling.
Fig 3
2 and 3 inch Valves
Summary of Contents for 10GEF
Page 2: ......
Page 14: ...14 System Overview Rev 12 NOV 2019 OMMG00012...
Page 52: ...52 Electric Actuator Rev 12 NOV 2019 OMMG00012...
Page 54: ...54 PID Controller Rev 12 NOV 2019 OMMG00012...
Page 64: ...64 System Integration Rev 12 NOV 2019 OMMG00012 Fig 22 System Wiring Diagram 8072D Controller...
Page 67: ...67 System Integration OMMG00012 Rev 12 NOV 2019...
Page 68: ...68 System Integration Rev 12 NOV 2019 OMMG00012...
Page 74: ...74 Technical Data Rev 12 NOV 2019 OMMG00012 9 1 1 Valve Bore Fig 25 Valve Selection Curve...