STA73U | 24 Vac 2-position Electro thermal, Normally Closed Actuator For Zone Valves. | Siemens (OBSOLETE)
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Siemens STA73U Documents
Overview
Details for STA73U
24 Vac 2-position Electro thermal, Normally Closed Actuator For Zone Valves.
Electro thermal normally closed actuator for 2-position and pulse width modulation control. With connecting cable for two wire connection. 24 Vac/dc; For valves with 1/10-inch (2.5 mm) strokeDescription
The 599 Series Zone Valves work with any SFA/P Series or SSA/P Series electric actuator, or with the STA/P73U Series thermic actuator (See Table 5). The actuators accept one of either 24 Vac or 120 Vac power supplies signal to provide two-position, three-position or 0 to 10 Vdc control. Typical applications include hot or chilled water for zones with radiators; floor heating via manifolds; fan coil units; cooling ceilings (Zone Valves); wall-mounted boilers (zone valves); and VAV applications.
Features
Zone valves have a direct-coupled universal bonnet. SF and SSA/P actuators are UL listed. Actuators have a directcoupled installation; are hand-tightened without tools, provide manual override and visual position indication.
Specifications
| Item Number | STA73U |
| Brand | Siemens |
| Control Input | On/Off |
| Type | Valve Actuator |
| Voltage | 24V |
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