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Non-Spring Return Actuator
QPA20 Series

The QPA20… series room air quality sensors optimize room comfort by enabling demand-controlled ventilation. The sensors can acquire: CO and volatile organic compound (VOC) concentrations, relative humidity, and temperature. Models are available for CO, CO₂...

QPM21 Series

The QPM21… Series Duct Air Quality Sensors optimize room comfort by enabling demand-controlled ventilation. The sensors can acquire: CO and volatile organic compound (VOC) concentrations, relative humidity, and temperature. Models are available for CO, CO₂...

SED2

The SED2 Variable Frequency Drives are designed specifically for HVAC applications. The SED2 supports a wide variety of digital and analog I/O for diverse control capability. Built-in PID features control pumps and fans, and an integral system protocol can interface P1/N2 networks. Using the...

SFA/SFP Series

The SFA/SFP Series of Electronic Valve Actuators accepts 24 Vac or 120 Vac power supply signal to provide two-position control. This actuator works with Zone Valves with 1/10-inch (2.5 mm) stroke.

SSA/SSP Series

The SSA/SSP Electronic Valve Actuator requires a 24 Vac power supply and receives a 0 to 10 Vdc signal or a floating control signal to control a valve. This actuator is designed to work with Zone Control Valves with a 1/10- inch (2.5 mm) stroke and a threaded valve bonnet that fits the actuator...

Two- and Three-Way Zone Valves

Two- and Three-Way Zone Valves have a 1/10-inch (2.5 mm) stroke. The Zone Valves work with any SFA/SFP Series, SSA/SSP Series electric actuator, or with the STA/STP Series Thermic actuator. The actuators accept one of either 24 Vac or 120 Vac power supply signal to provide on/off, floating or 0...

Two-way Flanged Iron Globe Valves

Designed to work with either pneumatic or electronic actuators, the Flowrite Two-way Valves are available in both ANSI Class 125 and 250 for normally closed or normally open action.

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