Ashcroft p series pressure switches are highly reliable for tough industrial and process applications. Class 90 type g pumptrol pressure switches are designed to control. Give us a call to check availability, or for a quote. Ashcroft pressure switches are used in a number of applications for controls, alarm and shutdown. Mps251cd100d pressure switch, 10 to 100 psig setpoint range, 14 nptmale port, 3a spdt switch output 1 0. Pressure switch series b4 and b7 general purpose or exproof according ul or atex eex d or eex ia accuracy. Characteristics documents technical faqs dimensions drawings connections and.
The goal is to obtain a pressure switch that will meet your expectations in terms of life, accuracy, reliability, and ease of use. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Ashcroft n series pressure switch calibration instructions. All sales subject to standard terms and conditions. This past weekend i replaced the pressure switch because the old one was sticking open. Ashcroft l series multifunction pressure switches from. The simple design allows for easy field installation. Are you looking for an ashcroft pressure gauge, thermometer, pressure switch, or temperature switch not listed on this site. Most ashcroft products listed on this site are typically available to ship on the same or next business day, from stock at our warehouse in warren, michigan. Works fine for a few days and then when the shower is running, will not kick the pump on when the pressure drops down. Ashcroft switches and controls for industrial and process applications. Bseries pressure, differential pressure and vacuum switches use two different actuators depending on setpoint requirements. How they work pressure switches can activate with either rising or falling fluid pressure, so are essential components in any pressurized fluid system where automatic supervision is required.
Verify this setpoint by raising and lowering pressure. The aseries pressure switch must be accessible for physical inspection. Type hydraulic brake pressure switch low pressure premium low pressure economy set point range 20 psi 10 psi 1,37 bar 0,69 bar 3. Data sheet pressure switch and thermostat, types kp and kpi ic. The pressure equipment directive is a document 9723ec issued by the european community that deals with the design, manufacture and use of pressure equipment and assemblies. Performs pressure setting automatically by detecting the increase and decrease in pressure. New pressure switch not turning on pump terry love. At zero pressure, will not make at 50 gs shock, will not make at 10 gs, 50 to 2,000 hz. Pressure switches and thermostats, type kp danfoss. They are fieldproven, low cost process instruments for use as either primary or redundant pressure or flow monitoring applications in a wide variety of industries.
Pressure switches are ideal for ensuring pressure levels remain within ranges best suited for safety and production. Ask a question about this product normally open and normally closed, adjustable pressure switches. Terminal 1 4 close high and open low terminal 1 2 can be used as low pressure alarm 1. All specifications are subject to change without notice. Data sheet aseries miniature watertight pressure switches. If the switch does not function, only trained and skilled personnel should check on the wiring, power supply andor mounting. Eps40 series and eps120 series supervisory pressure switches. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. The apa is field adjustable and can easily be adjusted by follow ing the instructions in the diaphragm above.
As pressure changes, a diaphragm actuates 1 or 2 snap action switches. Adjustable pressure switches nonc price per unit piece. Ashcroft npiseries nema 4 pressure switches are designed for pressure control in harsh applications needing high cycle rates functionality the ashcroft npiseries nema 4 pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement. Ashcroft aseries watertight pressure switch 10100 psi. The aps and apa pressure switch have nema 6, ip 67 rated 316 stainless steel housing and process connections. The materials of construction are specified to exacting standards, and are built to last the ashcroft p series switch line is designed for uncompromising end user reliability and safety. Ashcroft b series pressure switch nominal ranges and deadbands pdf 49 kb ashcroft b series pressure, differential pressure and temperature switch options pdf 65. Miniature pressure switches, watertight stainless steel. The resulting motion is applied directly or through amplifying levers rod and float ball to a set of switch contacts activating the. Over pressure limit125% of full scale up to 1,400 psig 9,653 kpa, 115% of full scale over 1,400 psig 9,653 kpa gasket materialsilicone rubber for socket. 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. User manual pressure switches and temperature switches p series. Aps pressure switch, single setpoint, fixed deadband, factory set, not field adjustable apa pressure switch, single setpoint, fixed deadband, field adjustable 2 body enclosure n4 watertight 316 stainless steel body 3 micro switch, first character code xc41 single switch spdt 2 dual switch dpdt not available with s. Pressure switch selection guide a pressure switch for sensing fluid or air pressure contains a capsule, bellows, bourdon tube, diaphragm or piston element that deforms or displaces when pressure is applied.
Aug 06, 2012 ashcroft n series pressure switch calibration instructions in an easytofollow video. Two set points, fixed deadband more about this item watertight, general purpose pressure switch is designed for use in applications requiring high reliability, safety and accuracy. Ashcroft npaseries nema 4 pressure switch pressure switches. Mnpt, housing material 316 stainless steel, wetted materials 316 stainless steel piston and bunan oring, compatible with air and liquids, electrical connection 318 awg pvc insulated 12 in.
Install the pressure switch at desired location, where it will not be subject to excess vibration. When the switch is exposed to process media that may harden andor build up in the pressure port, the switch should be removed and cleaned as required. The aseries pressure switch shall be mounted in a low vibration environment. Mechanical and electronic pressure switches from wika. To specify the exact switch desired select entries from appropriate tables as shown in example below. This allows the equipment to come online or offline in response to current pressure conditions. Rt pressure switches incorporate a pressure controlled, singlepole change over swich where the contact position depends on the pressure in the connection. If the switch is a pivot seal sensor type piston 2 or 3, it is recommended. Watertight pressure switch all specifications are subject to change without notice.
We begin with rocksolid designs, matching the most appropriate technology with the safety and reliability requirements of the applications. Ashcroft s differential pressure switches are offered in a number of configurations to meet applications. Now increase system pressure to higher setpoint and make final adjustment on b. Ashcroft b series pressure switch nominal ranges and deadbands pdf 49 kb ashcroft b series pressure, differential pressure and temperature switch options pdf 65 kb links. Pressure switches monitor the pressure level of a process and open or close electrical contacts at predetermined set points. The position of the switch depends on the thermostat setting and sensor temperature. Ashcroft b series type 400 pressure and differential pressure switch, general purpose, viton actuator seal, spdt, fixed, 660 psi pressure range 5. Horizontal symbol vertical symbol description hps11 vps11 pressure switch, normally open hps12 vps12 pressure switch, normally closed hts11 vts11 temperature switch 1, normally open hts12 vts12 temperature switch 1, normally closed hts11s18 vts11s18 temperature switch 2, normally open hts12s18 vts12s18 temperature switch 2, normally closed hts11s74 vts11s74. High longterm stability and precision for absolute reliability. Ashcroft npaseries nema 4 pressure switches are designed for pressure control in harsh applications needing high cycle rates functionality the ashcroft npaseries nema 4 pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement. Ashcroft b series type 400 pressure and differential. Be sure the cover on the apa switch is closed at all times. Never mount a pressure switch in a location that will be used as a foothold. Take a look at the features for ashcroft pressure switch.
Pressure switch, types kp 34 kp 37, boiler version contact system and application switch type single pole double throw switch action application 1. Nonormally open ncnormally closed cground heavyduty pressure switch technical specifications. Ashcroft lseries multifunction pressure switches designed for generalpurpose to highly caustic applications watertight, general purpose pressure switch is designed for use in applications requiring high reliability, safety and accuracy. Vacuum and positive pressure models available, with pnp, analogue voltage or analogue current outputs two colour digital display for fast abnormal condition identification high precision resolution, typically 1 user selectable pressure unit display ce marked in accordance with relevant european directives display calibration capability allowing. Ashcroft p series pressure switches pressure switches. Ashcroft differential pressure switches have earned a reputation for dependability as a mainstay in the marketplace for over 150 years. Installation and maintenance instructions for ashcroft g. The ashcroft gp pressure switch is designed for use on tough applications requiring a 316l ss enclosure. Tower alignment, pressure switch adjustment and tower control switch this certification sion nsists of a series of standards establishing global l estimated time to make a full rotation while in the cur rent irrigation plan. For setpoints between 2 and 3000 psi, the simple, rugged diaphragmsealed piston actuator is used. When equipment or a system containing a pressure switch is purchased. Pressure switch, range 100 to psi, process connection 14 in. Xmlb300d2s12ex pressure switch xmlb 300 bar adjustable.
Switches are factory set, but are adjustable via an adjustment screw for fine tuning in the field for various applications. Then reduce system pressure to the required lower setpoint pressure and turn adjuster a until the switch operates or resets as required. The new switch has the cutoff feature built in for low pressure. Two set points, fixed deadband and more from our comprehensive selection of ashcroft lseries multifunction pressure switches covid19 update. These documents and the accessory data sheets are available for download from our. Uses for pressure switches pressure switches are used in a variety of systems. Switch functions adjustable range deadband one setpoint, 52 way pneumatic valve see schematic from 15 % to 100 %, below 15 % consult factory from 0,5 % to 15 % f. B, c and d according ul protection ip54, ip66 or nema 4, 4x, 7, 9 and ul. Its design allows easy integration into custom equipment or systems. The pressure switch or temperature switch must be stored in a sheltered location, in its original packaging. Miniature pressure switches, watertight stainless steel body. Buy new or surplus ashcroft bvxfm pressure switch 15psi kparange kpaproof parts. Ip 56 ip66 available as an option for diaphragmactuated gauge pressure switch in fml, fms, fmt type standard housing as per en 60 529 iec 529 external ground terminal plumbing is performed directly using wires for fpp and fpx type instruments and requires a specific external kit for the standard and. Type gpumptrol pressure switch schneider electric digest plus.
When a pressure switch fails, the engineer is generally on his own in. Easy setpoint adjustments capability pseries multifunction pressure switches. Choosing a pressure switch there are typically three situations when an engineer thinks about pressure switches. It can damage the pressure sensor causing failure or malfunction. Installation and maintenanceinstructions for ashcroft a. New pressure switch not turning on pump terry love plumbing. To support you, coleparmer is open for business and shipping product daily. Georgin f series pressure switches and temperature.
The thermostats are fitted with singlepole changeover switch spdt. The ashcroft apa and aps watertight miniature pressure switches are designed for pressure control in harsh applications. For latest revision, go to rn these instructions provide information for electrical connection, installation, process connection, and calibration. The aps has a factory fixed setpoint which cannot be changed in the field. Looking for supco low pressure switch, 75 open psi, opens on low pressure, spst, 14 female sae 4lwx9. Buy new or surplus ashcroft bvxcylm pressure switch 15amp vac 30psi. Proof pressure 2400 psi 500 psi 500 psi burst pressure. According to the ped, pressure equipment means vessels, piping, safety accessories and pressure accessories. Ashcrofts differential pressure switches are offered in a number of configurations to meet applications. Horizontal symbol vertical symbol description hps11 vps11 pressure switch, normally open hps12 vps12 pressure switch, normally closed hts11 vts11 temperature switch 1, normally open hts12 vts12 temperature switch 1, normally closed hts11s18 vts11s18 temperature switch 2, normally open hts12s18 vts12s18 temperature switch 2, normally closed hts11s74 vts11s74 temperature switch 3, normally open. The pressure switches can handle up to 20,000 psi and are available in nema 4 and explosion proof housings.
Looking for ashcroft diaphragm pressure switch, differential. Dseries nema 79 differential pressure switch the ashcroft d7 nema 79 differential pressure switch is designed for applications requiring safety, reliability and longcycle life enclosure. Optional ashcroft diaphragm seals for media isolation offered in a wide variety of applicationspecific configurations, ashcroft pressure switches deliver superior utility and durability. Frequently asked questions about pressure switches understanding system dynamics is crucial to switch selection. Frequently asked questions about pressure switches. This model is ideal for pressure alarm, shutdown or control where size or compatibility is a consideration. Data sheet pressure switch and thermostat types kp and kpi. A p s n 7 d c s 0 2 x 6 b 30 psi 1 2 345 6 7 1 function aps pressure switch, stainless steel body, single setpoint, fixed deadband, factory set apa pressure switch, stainless steel body, single setpoint, fixed deadband, field adjustable. Pressure switches are used to make hvac systems such as air compressors, water tanks, well pumps, and furnaces operate correctly and efficiently. Georgin p series pressure switches and temperature. Data sheet bseries switches pressure, differential. Ashcroft b series pressure switch pressure switches.840 577 681 321 1497 214 1462 922 547 298 150 905 1494 794 978 1114 758 495 1122 423 1433 1439 167 1161 257 1312 656 1067 618 206 1045 566 541 1145 158 1488 430 1273 1059 1045 773 337 894 1365 1248 462 1233