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Siemens SFA.. Valve Actuator

List Price: $136.00  
$129.20
($142.12 inc tax) You save: $6.80 (5%)
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• SFA21.. AC 230 V operating voltage, 2-position control signal

• SFA11U AC 110 V operating voltage, 2-position control signal

• SFA71 AC 24 V operating voltage, 2-position control signal

• Positioning force 200 N

• Spring return

• Manual adjustment

• For direct mounting with union nut (no tools required)

• Visual position indication

• Auxiliary switch, type ASC2.1/18 (optional)

• UL approved for plenum installation


Use

The SFA21.., SFA11U and SFA71 actuators are used in conjunction with zone valves V..I46.. und V..S46.., primarily in heating, ventilation, air conditioning and refrigeration systems for water-based control of low-temperature hot water and cooling water. 


Model

SFA21 Valve Actuator, 200N, 2.5mm Stroke, AC 230V, 2-Pos, SR
SFA21/18 Valve Actuator, 200N, 2.5mm Stroke, AC 230V, 2-Pos, SR (1.8m cable)
SFA71/18 Valve Actuator, 200N, 2.5mm Stroke, AC 24V, 2-Pos, SR (1.8m cable)