They are mainly used for detecting a difference in pressure between two points in a system. Data sheet pressure switch and thermostat, kp and kpi ordering pressure switch, types kp 35 and kp 36 pressure switch, types kpi 35 kpi 38 1 available only in asia market 2 ip55 transparent enclosure 3 stainless steel version, ip55 nontransparent enclosure type setting range p e differential permissible operating pressure p e max. We offer one of the industrys broadest lines of sensors, switches and transmitters to measure and control flow, pressure, level and temperature. Pressure switches with manual reset set the cutout pressure on the range scale. Rt differential switches are used in general industrial and marine sectors. Differential pressure switch, types mp 54, 55 and 55a danfoss. The rt series includes pressure switches for general applications within industrial and marine refrigeration. Aug 16, 2019 please use our differential pressure switch. Pressure switch, differential pressure switch, type rt danfoss. A hands on demonstration of how to adjust a pressure switch for commercial refrigeration. Set point adjustment on the switch is easily accessible for modifying the set point.
The differential pressure switch families offered by kele come in a variety of housings from standard to water tight nema 4x. Pressure switches, type kp technical leafl et industrial automation ic. Data sheet pressure switch and thermostat kp and kpi. Danfoss as rcmcp mn, 201410 3 data sheet pressure switch and thermostat, types kp and kpi ic. Mp 54 and mp 55 oil differential pressure switches are used as safety switches to protect refrigeration compressors against low lubricating oil pressure. Special low pressure models are available for variable speed and screw compressor oil pressure applications. Electromechanical pressure switches pressostats from trafag provide high vibration resistance and switch point precision in combination with an extremely robust and durable design. All contact systems in danfoss regulating units incorporate a snapaction system that maintains the contact force until the moment of contact break.
Obsolete pressure switch danfoss pressure switch selector. The danfoss mp 54 and mp 55 oil differential pressure controls are used as safety switches to protect your refrigeration compressors against low lubricating oil pressure. With over 75 years experience of producing pressure controls for industry applications, danfoss offers the widest range of any manufacturer. View and download danfoss mp 54 installation manual online. Data sheet pressure switch and thermostat types kp and kpi.
Pressure switches and thermostats, types kp and kpi. The position of the switch is determined by the pressure switch setting and the pressure at the. The rt series consists of pressure switches, differential pressure switches and pressure switches for neutral zone regulation, all for general use within the. This item will be sent through the global shipping programme and includes international tracking. If the oil pressure fails, the oil differential pressure switch stops the compressor after a certain time period.
Applications include damper positioning and industrial service. If you continue, you will be logged in and forwarded to your default danfoss store. All cs pressure switches have a builtin pressure operated, threepole or onepole switch, the contact position of which depends on the pressure in the connector the range setting. Ips pressure switch may be used to energize an alarm or may directly control the process by cycling pumps, shifting valves etc.
Customizable differential pressure switches dp switches. Pressure switches kp 35, kp 36, kpi 35, kpi 36 and kpi 38. Find great deals for danfoss mp 55 differential pressure control switch d shop with confidence on ebay. The factory set pressure adjustment provides operation to the compressor manufacturers specifications.
Contact differential the pressure rise above the set differential pressure scale reading necessary to cut off current to the time relay. When the pressures from two different sources in a process are connected across the sensing diaphragm, metallic or elastomeric as the case may be, the pressure difference creates a force which then overcomes that of a pretensioned spring and in the. A kp pressure switch can be connected directly to a singlephase ac motor of up to approx. Danfoss pressure switches are electromechanical controls and limiters, that control the pressure of air and liquids within a given pressure range. Differential pressure switch mp 54, mp 55 and mp 55a danfoss. The rte series consist of pressure and differential pressure switches as well as thermostats. This results in switches that can be operated for decades without requiring maintenance, even under harsh conditions. A differential pressure switch, just like a regular pressure switch, is a simple electromechanical device that operates on the basic principles of levers and opposite forces.
How to install a danfoss 6070 series thermostat duration. The units are designed for industrial refrigeration and general. The series 20 differential pressure switches in this catalog are suitable for a wide variety of process and fluid power applications. Watch as danfoss own will guides you through two different ways to wire an mp differential pressure switch, which is used to protect. Jul 25, 2019 oil pressure safety switch mp hgha12 danfoss as acmci jmn mp 54, mp hcfc and nonflammable hfc. If the oil pressure safety control is energized during standstill, when there is no oil differential pressure, this security device will trip, and the compressor will not manage to start. Mp 54 and mp 55 are used in refrigerating systems using hcfc and nonfiammable hfc. The rt series also includes differential pressure switches, pressure switches for neutral zone regulation, and special pressure switches with goldplated contact. The latest equivalent by danfoss of the ps and psu is the cs pressure switch, please note the ranges are not the same so below we have offered an alternative nearest to the old settings, please click on the link to see the new ranges. Terminology control voltage 230 v or 115 v ac or dc.
Jun 03, 2016 a hands on demonstration of how to adjust a pressure switch for commercial refrigeration. If the oil pressure differential and level are ok but the pressure switch trips. Differential pressure controls, type mp 54, 55 and 55a. Kp pressure switches are fltted with a singlepole doublethrow spdt switch. Differential pressure dwyers wide selection extends to gages, transmitters, switches, data loggers, and monitors for differential pressure. Variation in the system pressure will not affect the differential setting. Danfoss pressure switches are electromechanical controls and limiters, that control the pressure of air and. Differential pressure switch pressure switches with adjustable neutral zone differential pressure switches 1supplied with o6 o10 mm nipple. Heavy duty pressure switch, suitable for use in alarm and regulation systems in factories, diesel plant, compressors, power stations and on board ships. Industrial pressure switch ips is an electromechanical device that senses changes in pressure and provides electrical contact closures at predetermined pressure values. Our pressure switches are accurate, robust, built for long life, and perform flawlessly day after day, even under harshest conditions. Kp pressure switches are recommended for gaseous media also water, but only when mounted directly on the pipe do not use capillary tube mounting. Series p28 oil pressure cutout differential pressure control with builtin time delay relay application the p28 controls provide dependable and economical oil pressure cutout for pressure lubricated refrigeration compressors. How to adjust a pressure switchjdnel refrigeration youtube.
Differential pressure switch, rt262a differential pressure. P74 series differential pressure controls product bulletin code no. This item will post to united statesbut the seller hasnt specified postage options. Differential switches ashcroft pressure and temperature. Prevents tampering with range and differential settings. Data sheet pressure switch, differential pressure switch rt. They will monitors the differences between two system pressures or vacuums and senses excessive flow deviation or verifies that a filter is clogged. The danfoss range of industrial pressure switches measure and control the pressure of air and liquids. A low differential pressure switch is an electromechanical device that operates on the basic principles of levers and opposing forces. The danfoss range of pressure switches measure and control the pressure of air and liquids. Dwyer manufactures a range of dial and digital gages to reliably measure and display pressure difference, between two pressure sources using gas or liquid in a process flow.
Kp and mp switch high quality pressure switches danfoss. Pressure switches and thermostats, type kp danfoss. Differential pressure controls type mp 54, 55 and 55a. Features and benefits high reliability both electrically and mechanically. Danfoss pressure switches are electromechanical controls and limiters, that control the. Certain applications may require customized specials.
Series p28 oil pressure cutout differential pressure control. A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes. September 2019 on two compressor, single motor units to reduce the oil system cost see figure 4. Data sheet pressure switch, differential pressure switch, type rt. Mainly, they are used for sensing a difference between two points in a process. Kp pressure switches danfoss kp switches are used for regulating, monitoring and alarm systems in the industry. By using a diaphragm measuring system, the model dw03un differential pressure switch is extremely robust and guarantees optimal operating characteristics and the highest measuring performances, with repeatability lower than 1 % of span. Pressure switches danfoss distributor for industrial. The rt series also includes difierential pressure switches, pressure switches for neutral zone regulation, and special pressure switches with goldplated contact surfaces for plc applications. Large diaphragm differential pressure switches are used with air or compatible gases. If the differential is set to a high value at 0 bar system pressure, there will be a small change in the setpoint. Industrial pressure switches pressure controls danfoss. The danfoss mp 54 and mp 55 oil differential pressure controls are used as safety switches.
May 03, 2019 pressure switch danfoss danfoss mp54 b yusari sukses makmur. Data sheet pressure switch, type kp design pressure switch, type kp kp 1, kp 2, kp 5 kp 15, kp 25 flare kp 1, kp 2, kp 5, kp 15, kp 25, kp 7w, kp 7b, kp 17w, capillary tube the switch in the kp has a snapaction function where the bellows move only when the cutin or cutout value is reached. Danfoss 017521566 rt121 pressure switch for vaccum duty and many monitoring and control applications regulating range. The danfoss rt differential pressure switches series consist of a variety of switches for applications in which safety or economical consequences are critical factors. Dpdt low differential pressure switches which applies to hvac and high duct static cutout applications. Pressure switch type cs is part of the danfoss pressure control. Data sheet pressure switch and thermostat kp and kpi danfoss. Absolutely no power is required to operate the dpdt switch. For low pressure switches the restart pressure is equal to cutout pressure plus differential value. Floating contact null switch for high and low actuation which applies to damper positioning and duct air control. Pressure switches kp 15 dual danfoss pressure switch. Pressure switch, types mp 54, mp 55, mp 55a danfoss. Release time the period for which the differential pressure switch allows the compressor to run with too low an oil pressure during startup and operation.
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