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Symbo
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Description
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Remark
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EX
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Explosion-proof
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Exd II BT4, BT6, CT4, CT6
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WT
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Watertight (IP68)
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10M Head 100 hours
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ALS
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Auxiliary limit switches
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Max 4 for each travel end
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ATS
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Auxiliary torque switches
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Max 4 for each travel end
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SV
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Variation in torque and operating speed
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Pis consult before ordering
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PK
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Potentiometer kit (0~1Kohm)
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High resolution potentiometer and precisely
machined gearing and directly engaged with
drive shaft to
feedback
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CT
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Current transmitter (output signal 4~20mA)
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Zero /Span Adjustment
Current transmitter
(output signal 4-20mA)
Convertible DIP switch (4 wire or 2 wire)
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PCU
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Process central unit
(4~20mA input and output signal)
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Auto-calibration reverse operating direction
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LCU
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Local control unit
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Remote/Local Control (open/stop/close)
optional switch
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LCD
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LCD signal indication
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Indicate accurate position of valve
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LPA
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Lever Plate Actuator
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Control damper, with yolk and other
accessories
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FS
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Fail Safe
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Pls consult before ordering
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HAITIMA Corporation.