An air switch senses positive, negative or differential air pressure and actuates an internal switch. The Subminiature Switch is designed for high pressure or high-level vacuum applications. 1-888-863-7389console.log("phone: 1-888-863-7389"); Our price is lower than the manufacturer's "minimum advertised price." As pressure increases, available differential increases as well. General Air Products’ pressure switches (also used for vacuum and called a vacuum switch) consist of a switch mechanism that is connected to a bellows or diaphragm that reacts to system pressure. The AFS series air differential pressure switch is a general purpose airflow proving switch designed for HVAC and Energy Management applications. In differential adjustment, the cut-in pressure can be increased or decreased on the pressure switch, changing the pressure differential. Operating range is the pressure limits in which the switch will work. Differential pressure switches are a particular type of pressure switch that convert a change in the pressure between two systems into an electrical function. Pressure switch settings, common to many air compressors, are set for a range of 40 to 250 PSI and an adjustable differential of 35 to 60 PSI. The switching knob of PSS air differential pressure switch is mounted under the cover to avoid tampering, the scale is … LF31 switches offer pressure, vacuum and differential models capable of sensing very low setpoints, and switching current up to 5A resistive, 2.5A inductive. 1-888-863-7389. This makes your air compressor pressure switch a part that gets used often, and so it may wear down sooner than others. The air differential pressure switch PSS-series is suitable for use in air conditioning systems to provide an indication of fan status or 'filter dirty'condition. Square D by Schneider Electric 9013FHG32J55M1 Air-Compressor Pressure Switch, 150 psi Set Off, 30 psi Fixed Differential, 1/4" NPSF Internal, Auto/Off Cut-Out Lever Nrpfell Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch £10.36£10.36 Air Differential Pressure Switch 50 500Pa Adjustable Micro Pressure Air O4Q6 This pressure switch is mainly used in ventilation and air conditioning systems to control the air flow in the air ducts, as well as in filters, ailerons and fans. Pressure switches are ideal for ensuring pressure levels remain within ranges best suited for safety and production. When the differential pressure exceeds your setpoint, the switch is activated. You must have JavaScript enabled in your browser to utilize the functionality of this website. Rely on Honeywell pressure switches to perform in critical applications that experience performance spikes and other extreme conditions. dps-ge51bwhres.tif. Greystone AFS Pressure Switches. Particulate (Dust or Broken Bag) Transmitters, Position Indicators / Switches / Transmitters, Chemical Resistance Guide for Elastomers III, T: +1 800.872.9141 +1 219.879.8000 F: +1 219.872.9057. HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators. pressure switch differential adjustment This may be the difference between two positive or two negative pressures, one of each, or a positive and atmospheric or a negative and atmospheric pressure. Kind of pressure: overpressure, relative : Pressure connection: The switch is actuated by a difference in pressure between the two sensing elements. General purpose airflow proving switch designed for HVAC and Energy Management applications. The differential pressure switch housing unit contains a diaphragm, a snap-acting SPDT switch, and a range adjustment knob with increments. Series 1831 Manual Reset, No Power Required DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. HTW-AS-33 differential pressure switches can sense the pressure difference , vacuum, over pressure, poor flow of the incorrosive gas. Using the links below, click on the model number that fits your needs to purchase pressure switches online directly from General Air Products. Differential pressure switch for air (DPS) dps-ge51colres.jpg. The contact points in the switch are usually rated for the amount of current they can carry. Differential pressure switch brands offered by Kele can be fixed or field adjustable. The most common 69J switches can be ordered online with various options. … These switches sense a change in the pressure and open or close an electrical circuit when the designated set point is reached. Because of its UL 353 Limit Control Listing, the switch can be used in safety circuits to protect heating appliances, heating systems, processing systems and HVAC/R systems.

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