Instruction Manual
D103175X012
GX Valve and Actuator
July 2017
3
Personal injury or equipment damage caused by sudden release of pressure or bursting of pressure retaining parts might
result if service conditions exceed those for which the product was intended. To avoid injury or damage, provide a relief
valve for over pressure protection as required by government or accepted industry codes and good engineering practices.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
CAUTION
This valve is intended for a specific range of pressures, temperatures and other application specifications. Applying
different pressure and temperatures to the valve could result in parts damage, malfunction of the control valve or loss of
control of the process. Do not expose this product to service conditions or variables other than those for which the product was
intended. If you are not sure what these conditions are you should contact your Emerson sales office
or Local Business
Partner for more complete specifications. Provide the product serial number (shown on the nameplate, figure 2) and all
other pertinent information.
Figure 2. Fisher GX Nameplate Examples (Key 35)
GE41229-Sheet 1
WITH SPRING INFORMATION
WITHOUT SPRING INFORMATION
(USED PRIOR TO 2009)
GE01296‐H
ELECTRIC ACTUATOR
GG12198-A
WARNING
If you move or work on an actuator installed on a valve with loading pressure applied, keep your hands and tools away from
the stem travel path to avoid personal injury. Be especially careful when removing the stem connector to release all loading
on the actuator stem whether it be from air pressure on the diaphragm or compression in the actuator springs. Likewise
take similar care when adjusting or removing any optional travel stop. Refer to the relevant actuator Maintenance
Instructions.
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