Duct Air Flow Switches

Description: Product Features Adjustable Switchpoint Micro Switch Rated to 15 Amps Install in Vertical or Horizontal Ducts KOBOLD LPS air flow switches are widely used to control flow setpoints in HVAC applications. In addition to being robust, they have the added benefit of

• Velocity Flow Rate: 3.25000000000001 to 30.1666666666667 ft/sec
• Media Temperature: 185 F
• Velocity Flow Rate Range: 3.25000000000001 to 30.1666666666667 ft/sec
• Media Temperature Range: 185 F

Description: The Caloritech™ AFS Air Flow Switch is used as an interlock to ensure sufficient air movement before a duct heater can be energized. The pressure differential switch must be installed on a vertical surface.

• Control: Limit / Set Point Control
• Standards and Compliance: Other
• Control Signal: Switch / Relay Output

Description: Rheotherm flow sensing probes for duct gases are easy to install and provide long-term service with little or no maintenance. The output can be in mass, standard volume or velocity units. Options for hazardous locations (intrinsically safe/explosion-proof) are available.

• Air Velocity Range: 5 to 25,000 SFPM
• Accuracy: 1 ±% Full Scale
• Operating Temperature: 0 to 120 F
• Measurement Type: Air Velocity, Air Volumetric Flow

Description: FCI's AS-FS Series flow switches utilize no moving parts, ultra-reliable thermal dispersion flow measurement technology to detect a flow rate above or below a predetermined set point at the sensing location. They are applied to signal low flow or high flow

• Velocity Flow Rate: 0.01 to 1,000 ft/sec
• Operating Temperature: -40 to 257 F
• Operating Pressure: 0 to 2,000 psi
• Media Temperature: -65 to 350 F

Description: Vane Operated Flow Switch Air Flow. 2.5 to 12.5 m/sec. (500 to 2500 ft/min). ATEX and IECEx. Performance characteristics Enclosure IP66 Protection Wetted parts Mild steel backplate – aluminium or stainless steel vane. Process connection Duct mounting. Unit weight 4.6kg –

• Electrical Output: Switch

Description: PNEUMATIC AIR FLOW SWITCH, 300FPM, 2-1/8" X 6-7/8" PADDLE, DETECTS AIR FLOW OR ABSENCE OF AIR FLOW IN AIR DUCTS. FREE 2 YEAR RADWELL WARRANTY

• Process Media Type: Gas

Description: directly into the duct or plenum. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. The electrical contacts of the switch are closed upon sensing positive air

• Pressure Measurement: Absolute

Description: The FS10i is a universal flow switch and flow monitor designed for simple insertion into ½” (13mm) or larger diameter pipes and square ducts. The unit is suitable for either liquid or air/gas applications. It is fast responding and highly repeatable to both increasing and

• Pipe Diameter: 0.25 to 0.5 inch
• Velocity Flow Rate: 0.01 to 400 ft/sec
• Operating Temperature: -40 to 320 F
• Operating Pressure: 2,001.52026 psi

Description: stability. The air from the duct flows through the probe into the EE85 enclosure and back into the duct. Inside the enclosure the air diffuses through a membrane into the CO2 sensing cell. As there is no flow through the sensing cell, this is very well

• Response Time: 195 seconds
• Operating Temperature: -4 to 140 F
• Operating Humidity: 0 to 95 %
• Application: Ambient Air Monitoring

Description: the form of a terminal block made of stainless steel. A ground connection is also present for extra safety. Types of Duct Heaters There are various types of duct heaters. Some of the commonly used duct heaters are named below. Tubular Duct Heaters Finned Tubular

• AC Voltage Required: 120 to 600 volts
• kWatts: 50 kW
• Width / Diameter: 0.26 to 0.475 inch
• Width: 0.26 to 0.475 inch

Description: Sophisticated and reliable, Delta flow transmitters use ultrasonic vortex measuring principles, offering stability and repeatability regardless of fluctuations in temperature or pressure. Delta Controls' flow meters are proven in a broad range of air and gas management

Description: Reznor® Venturion® EEDU series 80% thermal efficient indoor duct furnaces were developed to provide an annual fuel use improvement of up to 25% when compared with gravity-vented duct furnaces. The use of a factory-installed power venter, with metered combustion air, limits

• AC Voltage Required: 115 to 230 volts
• kWatts: 59 kW
• Height: 35 inch
• Width: 23 inch

Description: Reznor® RP series rooftop duct furnaces are designed to be used as the heating component in a heating, heating/cooling or makeup air system. The RP series furnaces are certified for 80% thermal efficiency for use with either natural or propane gas, as specified, in sizes from 125,000

• AC Voltage Required: 120 volts
• kWatts: 70.344 kW
• Height: 38.53125 inch
• Width: 50.1875 inch

Description: Steel-Mass® 640S gas mass flow meters accurately monitor total gas mass flow rate of gases and insert easily into ducts and pipes up to 72-inches. Larger probe lengths are available upon request. Typical applications for gas mass flow meters include compressed air

• Pipe Diameter: 72 inch
• Operating Temperature: -40 to 120 F
• Operating Pressure: 500 psi
• Media Temperature: -40 to 350 F

Description: Series multipoint thermal flow meters are your solution for large diameter pipe and air ducts applications. Applications Combustion air Stack gas flow Primary, secondary and overfire air flow Preheater air flow Boiler air feed

• Pipe Diameter: 2 inch
• Operating Temperature: -40 to 150 F
• Operating Pressure: 0 to 100 psi
• Media Temperature: 850 F

Description: Reznor® RPB series packaged units are 80% thermal efficient, powervented, gas-fired forced air furnaces designed for installation outdoors and used with recirculating and/or makeup air warm air duct systems. These units use either natural or propane gas, as specified, in

• Heating Capacity: 73.275 kW
• AC Voltage Required: 115 to 575 volts
• Maximum Air Flow: 3,700 SCFM
• Heater Type: Air Heater, Forced Air Heater, Space Heater

Description: UltimateAir CO2 sensor option for 200DX ventilator. CO2 occupancy sensing switch. Wall mounted. White. The king of ERVs! The RecoupAerator is a whole-house air filter and ventilator that circulates fresh air into an average-sized home every two hours. It serves as both ventilation and

Description: Air flow switch Ductable Flame safeguard control Fused disconnect switch Hi limit switch Manifold pressure gauge Motor overload - manual reset Panel mounted voltage meter Remote thermostat Weather sealed control box

• Heater Type: Air Heater
• Fuel / Energy Source: Natural Gas / Propane

Description: least envelope for each work area, thus minimizing weight and space. Easy, quick maintenance is accomplished through the use of a removable grill with front filter removal. The Series 201 Clean Bench cabinet configuration has been designed for "clean" edge air-shear of the absolute filter,

• Hood Face Velocity: 70 to 110 SFPM
• HEPA Filter Efficiency: 99.99%
• Air Cleanliness Class: Class 100 (ISO 5)
• Laminar Flow Direction: Horizontal

Description: The SL5101 compact flow monitor from ifm ensures the optimum air flow thanks to easy setting in a range from 100-1,000 cm/s via potentiometer. The immersion depth into the duct can be flexibly varied via the supplied mounting clamp. Titanium sensing faces ensure reliable

• Operating Temperature: 14 to 122 F
• Operating Pressure: 1 psi
• Media Temperature: 14 to 122 F
• Media Temperature Range: 14 to 122 F

Description: The SL0301 compact flow monitor from ifm ensures the optimum air flow thanks to easy setting in a range from 100-1,000 cm/s via potentiometer. The immersion depth into the duct can be flexibly varied via the supplied mounting clamp. Titanium sensing face ensures reliable

• Operating Temperature: 14 to 122 F
• Operating Pressure: 1 psi
• Media Temperature: 14 to 122 F
• Media Temperature Range: 14 to 122 F

Description: The Model 550 Industrial Welding Fume Extractor provides fume extraction for heavy-duty welding applications. This powerful air filtration system provides up to 995 CFM of air volume a 10’ L and 7” diameter heavy-duty source capture arm with a 10.5” capture hood and 360° swivel radius.

• Airflow: 350 SCFM
• Minimum Particle Size Filtered: 0.3 µm
• Features: HEPA / ULPA Filters

Description: TWO SPEED ROCKER SWITCH TYPE 24 INCH W X 17-1/2 INCH D X 6 INCH H SIZE ALMOND FINISH UL APPROVAL 120 V VOLTAGE RATING 2.5 AMPERE CURRENT RATING 75 W INCANDESCENT LAMP TYPE 190 CFM AIR FLOW RATE 7 INCH DIA DUCT SIZE 6 SONES (VERTICAL) SOUND LEVEL DUCTED DUCT TYPE INCLUDES

• Required Airflow: 190 SCFM
• Fume Hood Type: General Purpose
• Features: Other
• Sash Options: Vertical Sash

Description: Traceable® Anemometer measures air velocity/temperature in hoods and outside environments with ease and accuracy. Use it to display even slight gas movement in ducts. Designed for heavy use in lab, plant, and field. Unit is built to take a beating and still give years of reliable

• Air Velocity Range: 80 to 5,910 SFPM
• Accuracy: 2 ±% Full Scale
• Operating Temperature: 32 to 140 F
• Measurement Type: Air Velocity

Description: fan directs a high velocity stream of heated air towards the door opening. The hot air mixes with the incoming cold air providing a warm comfortable environment. The door heater is activated through a limit switch. When the door is opened there is a brief pre-purge and safety

• AC Voltage Required: 208 to 480 volts
• Maximum Air Flow: 6,500 to 7,900 SCFM
• Heater Type: Air Heater
• Features: Electric, Natural Gas / Propane

Description: manual control with the control switch. The flow variators are not dependent on duct pressure. The HVSA can also be used for constant air flow.

Description: Components: Independent fan and burner controls for simple operation · Thermostat control with 20-foot cord allows for a consistent, comfortable environment and use in remote locations · 15-foot hose and regulator assembly · Air flow safety devices · Totally enclosed frame · Fully

• Maximum Air Flow: 750 to 2,450 SCFM
• Heating Capacity: 24.9135 to 93.792 kW
• Features: Forced Air Heater, Space Heater
• Fuel / Energy Source: Natural Gas / Propane

Description: INTERNAL, CENTRIFUGAL TYPE 36 WIDTH X 24 INCH DEPTH X 18 INCH HEIGHT OVERALL DIMENSION 120 VOLT AC AT 60 HERTZ INPUT SUPPLY RATING 600 CFM FLOW RATE RANGE WOOD APPLICATION AIR SERVICE STAINLESS STEEL HOUSING MATERIAL WALL MOUNTING TYPE VERTICAL/HORIZONTAL DISCHARGE TYPE ELITE BRAND

• Air Flow Rate: 600 SCFM
• Design: Centrifugal
• Environment: Clean Air / Gas
• Applications / Use: Exhaust Ventilation

Description: temperature limit control Pressure switch to verify vent flow Integrated circuit board with LED diagnostic indicator light 24-volt control voltage transformer Insulated indoor cabinet with return airflow from bottom to top Vertical discharge outlet with duct flange Corner indicators to

• Cooling Capacity: 150,000 BTU/hr
• Voltage: 230 VAC
• Frequency: 60 Hz
• Type: Central

Description: Due to its size and motor power, Ropera fans are suitable for most low volume low to medium pressure ducted applications. These are typically found as boost fans within long duct runs and trickle extract fans due to the nature of them moving the air inline with the axis of the

• Air Flow Rate: 1,186.57392 to 1,377.2733 SCFM
• Static Pressure: 3.613174507196197 in H2O
• Maximum Diameter (Fan or Blower Wheel): 3.93701 to 12.4015815 inch
• Applications / Use: Air Handling Units / HVAC

Description: to 28'. All SCA arms are externally supported for easy adjustment, less restriction, and better air flow. All arms are equipped with a moveable gas shock that provides for ease of movement and positioning. This "clean" design provides for less maintenance and better air

• Diameter: 14.375 inch
• Length: 2.25 ft

Description: existing filtration unit, boom arm, or ductwork. Options Adjustable Air Flow Damper: Increases operating efficiency; regulate air flow levels and blower usage based on application-specific need. White Hose, Hood, and Mounting Bracket: UL-rated hose and coordinated

Description: The S-MAX-A BenchTop Airfoil Add-Air Fume Hood incorporates an Add Air (Make-up Air) System, which allows your air conditioned air to remain inside the building while air from outdoors is introduced through the add air plenum. This Fume Hood is ideal

• Hood Design: Bypass
• Fume Hood Type: General Purpose
• Sash Options: Vertical Sash

Description: Impeller High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient @ 0.3 micron 1.0 in. wg (200 Pa) of external static capability Walkable plenum (excluding pre-filter), rated to 250 lbs. Snap-in 20 x 20 washable pre-filter Manufactured to IEST recommended practices; IESTRP-CC036.1

• Applications / Use: Air Handling Units / HVAC
• Product Form: Packaged (Complete System)

Description: air baffle system for fine tuning air control flexibility Removable front bypass panel (Optional louvered panel available for use with ceiling enclosure option) Lower Metal Air Foil (Optional Stainless) allows for smoother air flow and aids in the removal of heavy

• Hood Design: Bypass
• Fume Hood Type: General Purpose
• Features: Other
• Sash Options: Vertical Sash