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Engineered as a spark ignitor electrode
and industrial pneumatic lines
As a two-position valve body
it covers a wide span from -70 to 150 degrees Fahrenheit
Utilizing high-quality epoxy encapsulated construction
Siemens Building Technology 331-3012 322838-752 Engineered as a spark ignitorThe Siemens 331 3012 is a heavy duty #6 pneumatic damper actuator designed for high torque applications in commercial HVAC systems. This spring return actuator features a 4 inch stroke and a nominal 3 8 psi spring range, making it an ideal choice for the gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and fire smoke dampers. Built with a rugged, metal fabricated housing and a 17. 9 sq. in. effective diaphragm area,
