Data Sheet for Product
Technical Instructions
Document No. 155-521
June 16, 2015
SQV Series Electromotive Valve Actuators
(For Use with 2-1/2-Inch to 6-Inch Pressure Independent
Control Valves)
Siemens Industry, Inc.
Features
• Operating voltage: AC/DC 24V
• Control signals: 3-position, DC 0 to 10V, DC 4 to 20 mA
• Fail-safe function
• Position feedback
• Manual adjuster
• Position and status indication (LED)
• Selectable positioning times from 40 to 240 seconds
• Selection of acting direction and flow characteristic
• Direct mounting on Pressure Independent Control Valves
• UL Listed
Application
Electromotoric actuators to operate Siemens Pressure Independent Control Valves
with 3/4-inch (20 mm) and 1-1/2-inch (40 mm) stroke as control valves for large air
handling units and distribution of hot and chilled water.
Product Numbers
Table 1.
Product Number
Control Signal
APC
SQV91P30U Floating or 0 to 10V, Fail Open (FO) 238
SQV91P40U Floating or 0 to 10V, Fail Closed (FC) 239
Warning/Caution Notations
WARNING:
Personal injury or loss of life may occur if you do not perform
a procedure as specified.
CAUTION:
Equipment damage or loss of data may occur if you do not
follow a procedure as specified.