Data Sheet for Product

Technical Instructions Flowrite 599 Series SKB/C Electronic Valve Actuator
Document Number 155-171P25 3-Position (Floating) Control
September 25, 2018
Page 2 Siemens Industry, Inc.
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 perform a procedure as specified.
Specifications
Power Supply
Operating voltage 24 Vac 20%
Frequency 50/60 Hz
Power consumption
SKB82.50U 13 VA/8W
SKB82.51U 18 VA/11W
SKC82.60U 19 VA/16W
SKC82.61U 24 VA/21W
Equipment rating
Rating Class 2 according to UL, CSA
Function
Nominal stroke
SKB 3/4-inch (20 mm)
SKC 1-1/2 inch (40 mm)
Run time with control operation (full stroke) 120 seconds opening and closing
Spring return time (on power failure)
SKB82.51U 10 seconds
SKC82.61U 18 seconds
Nominal Force
Stroke
Force
NC and 3-way upper
0%
610 lbs (2684 N)
NO and 3-way bypass
100%
1000 lbs (4400 N)
Housing
Mounting location NEMA 1 (interior only)
NEMA TYPE 3R rated when installed
with 599-10065 Weather Shield. See
Accessories.
Ambient conditions
Ambient temperature (Operation) 5°F to 130°F (-15°C to 55°C)
Media temperature -13°F to 337°F (-25°C to 170°C)
Agency certification
UL Listed to UL873
C-UL Certified to Canadian standard
C22.2 No. 24-93
Miscellaneous
Dimensions See Figure 14 and Figure 15.
Conduit opening 1/2-inch NPSM
Weight
SKB82 21 lbs (9.5 kg)
SKC82 22 lbs (10 kg)