Data Sheet

Control-Disk Valve
D103297X012
Product Bulletin
51.3:Control-Disk
July 2012
19
Options
Top-Mounted Handwheel: For infrequent use as a
manual actuator (see bulletin 61.1:2052,
D103295X012). For repeated or daily manual
operation, the unit should be equipped with a
declutchable handwheel actuator.
Declutchable Handwheel Actuator: An end-mounted
manual actuator can be used to provide on-site control
and to provide override capabilities. See bulletin
61.8:1078 for handwheel actuator specifications.
Limit Switches:
J Micro-Switch or NAMCO switches
for one or two single-pole, double-throw contacts, or
J GO proximity switches for one or two single-pole,
double-throw contacts are available. See separate
bulletins for limit switch information.
Position Indicating Switch: TopWorxt DXP M21GNEB
switch for one through six single pole, double throw
switch contacts are available. See separate bulletin for
position indicating switch information.
Positioner: For precise positioning of the valve control
element, the actuator should be equipped with a
positioner. For additional information, contact your
Emerson Process Management sales o ffice with
complete service conditions.
Actuator Locking Mechanism: An actuator locking
mechanism is available, which can be used to keep the
actuator in a locked position (the same as the
spring-fail position) during maintenance. The padlock
is customer supplied.