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Supplier: Johnson Controls, Inc.
Description: Fast Track Shipping - as Quick as 5 Working Days after Order Entry - provides faster response for projects, at a cost premium. Modulating actuators allow for use as volume control dampers. Available factory-installed blade position switch kit with direct coupling provides
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Supplier: Marlo Heat Transfer Solutions
Description: either directed through the heating surface or bypass the heating surface to achieve the required discharge air temperature. The Stratomizer® dampers are automatically repositioned to maintain a set leaving air temperature when a change in outside temperature occurs. Downstream
- Applications: HVAC
- Type: Other
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Supplier: Rotork plc
Description: Schischek ExMax explosionproof quarter-turn actuators for use in Zone 1, 2, 21, 22. Gas + Dust certified. Compact and robust, with enclosure material, offshore/marine coating and failsafe options. For automation of air dampers, fire and smoke dampers, volume
- AC Voltage: 24 to 240 volts
- Actuation Method: Electric
- DC Voltage: 24 to 240 volts
- Operation: On / Off (isolating)
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Supplier: Rotork plc
Description: Schischek InMax quarter-turn actuators for use in safe areas. Compact and robust, with enclosure material, offshore/marine coating and failsafe options. For automation of air dampers, fire and smoke dampers, volume control, ball valves, throttle valves and other
- AC Voltage: 24 to 240 volts
- Actuation Method: Electric
- DC Voltage: 24 to 240 volts
- Operation: On / Off (isolating)
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Supplier: Rotork plc
Description: Schischek RedMax explosionproof part-turn actuators for use in Zone 2, 22. Gas + Dust certified. Compact and robust, with enclosure material, offshore/marine coating and failsafe options. For automation of air dampers, fire and smoke dampers, volume control, ball
- AC Voltage: 24 to 240 volts
- Actuation Method: Electric
- DC Voltage: 24 to 240 volts
- Operation: On / Off (isolating)
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Supplier: Clark Solutions
Description: 310B2(-S), EN310B2-ZS(-S) and EN310D2(-S) direct coupled 24 VAC non-spring return (NSR) rotary electronic actuators are designed for modulating control of building HVAC dampers or valves. These actuators are used in constant or variable air volume installations for
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 310 In-lbs
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Supplier: Clark Solutions
Description: 142D2(-S) direct coupled 24 VAC spring return electronic actuators are designed for modulating control of building HVAC dampers and valves. These actuators are used in constant or variable air volume installations for the control of return air, mixed air,
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 75 In-lbs
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Supplier: Bray Commercial
Description: These actuators are used in constant or variable air volume installations for control of HVAC dampers requiring up to 44 lb-in (5 Nm). These Bray direct coupled 24 VAC non-spring return rotary electric actuators are designed for Floating or Proportional
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 44 In-lbs
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Supplier: Bray Commercial
Description: These actuators are used in constant or variable air volume installations for control of HVAC dampers requiring up to or 88 lb-in (10 Nm). These Bray direct coupled 24 VAC non-spring return rotary electric actuators are designed for Floating or Proportional
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 88 In-lbs
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Supplier: Bray Commercial
Description: These Bray direct-coupled spring return rotary electric actuators are designed for On/Off, Tri-State, or Modulating control of building HVAC valves and dampers. These actuators are used in constant or variable air volume installations for the control of
- AC Phase: Single Phase
- AC Voltage: 24 volts
- Actuation Method: Electric
- Actuator Torque: 140 In-lbs
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Supplier: ControlAir LLC
Description: The ControlAir Type 250 Lockup Air Relay is a reliable unit for fail in place applications of control valves when air supply drops below acceptable pressure levels. Valve or damper position is maintained by capturing air pressure inside the diaphragm chamber (or piston cylinder)
- Body Material: Aluminum, Stainless Steel
- Maximum Pressure: 125 psi
- Port Size: 0.2500 inch
- Set Point Pressure: 15 to 120 psi
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Supplier: CSA Group
Description: Clauses 3, Definitions, and 4.1.30). Automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less are covered in Volume I. 1.2 Instantaneous water heaters with input ratings of 200,000 Btu/h (58 614 W) or less, which are designed to deliver water at a
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Supplier: Armstrong International
Description: Special dampers, controlled by a pneumatic actuator connected to a temperature sensor, adjust the leaving-air temperature by channeling the appropriate volume of entering air across the heating coils and allowing the remaining air to pass through by-pass channels. As
- Fuel / Energy Source: Hot Water / Steam
- Heater Type: Air Heater, Inline Heater
- Maximum Operating Temperature: 400 F
- Sleeve (Sheath) Material: Steel
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industrial applications that require a valve or damper to move to a predetermined fail-safe position in the event of power failure, allowing for valve control in an emergency or other shut down situations. ctuators equipped with internal battery backup systems work by using an internal trickle (read more)
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Comparative analysis of the AHU InFO fault detection and diagnostic expert tool for AHUs with APAR
Two temperature controlled constant air volume AHUs • Damper actuator failure • Control loop tuning issues •Various sensor faults •Lack of availability of chilled water 3 .