You must have JavaScript enabled in your browser to utilize the functionality of this website. Operating range is the pressure limits in which the switch will work. The switch is actuated by a difference in pressure between the two sensing elements. Find Differential Pressure Gauges & Switches at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years Differential, Sensing Probe Kit with 7 inch probeDifferentialAir. 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. Series 1831 Manual Reset, No Power Required DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. Often used with ovens, dryers, and HVAC systems, these switches detect small differences in pressure. 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. This site use cookies. This allows the equipment to come online or offline in response to current pressure conditions. The differential pressure switch housing unit contains a diaphragm, a snap-acting SPDT switch, and a range adjustment knob with increments. It may be used to … A long list of choices include differential pressure switches, explosion-proof pressure switches, NEMA 4 and NEMA 7 rated pressure switches as well as electronic pressure switches. A wide variety of switches and circuit styles enables control functions needed for any system. Greystone AFS Pressure Switches. Differential pressure switch for air (DPS) dps-ge51colres.jpg. A Differential pressure switch is a device which utilizes a differential air pressure to actuate an electric switchat a pre-set actuation point. Rely on Grainger for … Use them to automate controls or activate an alarm in your process. 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. For example, on a 90 psi (cut-in) to 110 psi (cut-out) range pressure switch, you can change the cut-in to either 80 psi or 100 psi while keeping the cut-out at 110 psi. The two systems are constantly monitored, and their relative pressure is measured. The LF31 is a favorite with leading manufacturers of gas-fired warm air furnaces and water heaters. The switching knob of PSS air differential pressure switch is mounted under the cover to avoid tampering, the scale is … When the differential pressure exceeds your setpoint, the switch is activated. A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes. pressure switch differential adjustment The most common 69J switches can be ordered online with various options. If your pressure switch needs fall outside of the products shown here contact us for details on our complete pressure switch line. They are designed for HVAC, Energy Management, and Direct Digital Control (DDC) applications. DPS or Differential pressure switches is a device used to actuate an electric switch based on differential pressure across two points and this electric switch used to sense airflow status across the fans, dirty status across the filters in air handling unit or it can be used to connect any control circuit to perform the required operation when switching condition goes on and off. In differential adjustment, the cut-in pressure can be increased or decreased on the pressure switch, changing the pressure differential. The BAPI Differential Pressure Switch is ideal for air filter monitoring, static pressure proving, airflow proving or auxiliary fan actuation. This means that the lowest pressure that the switch can be set to close at is 40 PSI, and the highest pressure it can be set to open at is 250 PSI. As a result, we cannot show you the price in catalog or the product page. Conventional applications include : + Monitoring Filters blocked Alarm Device + Monitoring air blower running status. Check & Safety Valves for Air Compressors, Q - Quiet Fire Protection Air Compressors, NFPA 13D Single Family Residential Pump & Tank Packages. A Differential pressure switch is a device which utilizes a differential air pressure to actuate an electric switch at a pre-set actuation point. 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. The differential pressure switch families offered by Kele come in a variety of housings from standard to water tight NEMA 4X. The Subminiature Switch is designed for high pressure or high-level vacuum applications. Please note the following model number designations: Y = unloader included, Click To Contact Us Today Or Call: The Miniature Switch is designed for low pressure or low-level vacuum applications. 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. Pilot Operated Valves are also available. By accepting cookies you can optimize your browsing experience. Designed for use in the HVAC industry. Filter monitor or flow switch for air, non-combustible, non aggressive gases in air conditioning and ventilating installations. Sensors for air and non-combustible compatible gases have an electrical contact output at a specific difference between two pressures. Air Differential Pressure Switch Adjustable Micro- Pressure Air Switch T3J6 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. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. Pressure Switches Ashcroft®pressure switches are provided in a variety of configurations to meet most installation requirements in nearly every industry. Browse our products below to begin the selection process of ordering the pressure switch that best fits your application, or contact us for assistance and bulk pricing! Rely on Honeywell pressure switches to perform in critical applications that experience performance spikes and other extreme conditions. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. Differential pressure switches are a particular type of pressure switch that convert a change in the pressure between two systems into an electrical function. The differential that is actually available to use varies with the pressure range you’re actually working in. 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. 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 This style is available with an unloader valve option to prevent the compressor from starting under load. LGW A2-LGW A2P-LGW A2-7: Differential pressure switch for air, flue and exhaust gases Max. They can be wired normally open (NO) or normally closed (NC). Differential pressure switches tend to be used for energy saving or preventative maintenance, for example; monitoring air filters for blockages. Square D by Schneider Electric 9013FYG2J24 Air-Pump Pressure Switch, Nema 1, 40-60 Psi Pressure Setting, 20-65 Psi Cut-Out, 15-30 Psi Adjustable Differential 5.0 out of 5 stars 8 $27.99 $ 27 . LF31 switches offer pressure, vacuum and differential models capable of sensing very low setpoints, and switching current up to 5A resistive, 2.5A inductive. Operating pressure: 500 mbar Operating pressure: 500 mbar Approvals: EN 1854 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. HTW-AS-33 differential pressure switches can sense the pressure difference , vacuum, over pressure, poor flow of the incorrosive gas. Copyright © Dwyer Instruments, Inc. All Rights Reserved. 1-888-863-7389console.log("phone: 1-888-863-7389"); Our price is lower than the manufacturer's "minimum advertised price." P12 Series differential pressure controls can be used with oil and non-corrosive refrigerants. Pressure switches are ideal for ensuring pressure levels remain within ranges best suited for safety and production. Using the links below, click on the model number that fits your needs to purchase pressure switches online directly from General Air Products. These switches sense a change in the pressure and open or close an electrical circuit when the designated set point is reached. Often used to indicate clogged filters, they are designed to automate controls or activate an alarm in your process. The switches include Miniature Switches, Subminiature Switches, Low Differential Switches, and Solid State Switches. There are various optional pressure ranges, and 2 … Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners, duct heaters, humidifiers, exhaust fans and duct booster fans. 1-888-863-7389. The air compressor pressure switch will also help your machinery maintain the proper pressure level as you go about your work. When the differential pressure exceeds your setpoint, the switch is activated. … Kind of pressure: overpressure, relative : Pressure connection: As pressure increases, available differential increases as well. HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators. Connect this control to a P28 Lube Oil Control, with time delay, to monitor lubrication on … They are suitable for air and other non-flammable and non-aggressive gases. An air switch senses positive, negative or differential air pressure and actuates an internal switch. Differential pressure switch brands offered by Kele can be fixed or field adjustable. General purpose airflow proving switch designed for HVAC and Energy Management applications. Some switches have differentials as low as 5 PSI. We also offer pressure switches for our fire protection air compressors. The AFS series air differential pressure switch is a general purpose airflow proving switch designed for HVAC and Energy Management applications. Applications vary between the different types of differential pressure switches. Pressure switches monitor the pressure level of a process and open or close electrical contacts at pre-determined set points. The contact points in the switch are usually rated for the amount of current they can carry. It may be used to sense positive, negative, or differential air pressure… The sample connections located on the side accept 6.35mm (0.25”) OD tubing. Please click here for information on our company’s current status & how we’re responding to COVID-19. 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. This means that the lowest pressure that the switch can be set to close at is 40 PSI, and the highest pressure it can be set to open at is 250 PSI. The most common 69H switches can be ordered online with or without the unloader option. Designed to be the most adaptable switch on the market, the 69J Series offers the user the flexibility to build the pressure switch around the compressor – not the other way around. dps-ge51bwhres.tif. This makes your air compressor pressure switch a part that gets used often, and so it may wear down sooner than others. JavaScript seems to be disabled in your browser. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gage. The rugged 69H series pressure switch is designed for the demanding requirement of larger, heavy duty commercial air compressors (up to 250 psi). Differential pressure switch, air flow, SPDT, 5 amps non-inductive 277 Vac, 0.25 to 1" WC The air differential pressure switch 930-series is suitable for low differential pressure switching applications in air-conditioning systems for providing indication of fan status or ´filter dirty`. As the filter clogs or blocks up, the pressure on the high side will rise and once at the activation point, the pressure switch will change state. Please note the following model number designations: Y = unloader included, L = disconnect lever included, 2C = 4-port manifold. The switch can turn on your compressor when tank air pressure levels drop and more air is needed. Differential is the difference between the cut-in and cut-out pressures. If your pressure switch needs fall outside of the products shown here contact us for details on our complete pressure switch line. The pressure differential switch is used to determine air rarefaction or air (non-aggressive gases) pressure drop. They are selected by operating range and differential. Senses air or compatible with fluids; Gage, vacuum, differential. They are suitable for air and other non-flammable and non-aggressive gases. Manual Reset, No Power Required DPDT Low differential switches, Low differential switches, Low differential switches, differential! Control ( DDC ) applications, a snap-acting SPDT switch, and Solid State switches pascals! Must have JavaScript enabled in your process cookies air differential pressure switch can optimize your browsing experience with ovens, dryers, Direct. Status & how we ’ re responding to COVID-19 actually available to use varies with the pressure range you re! 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