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liquid pressure switch / differential / for the petrochemical industry / adjustable
liquid pressure switch
GD series

Pressure range: 2 psi - 3,000 psi

... Ashcroft® GD differential pressure switch is designed for use on tough applications requiring a 316L SS enclosure. The straight forward design allows for easy field installation, while proven technology ...

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ASHCROFT
liquid pressure switch / differential / for the chemical industry / for the petrochemical industry
liquid pressure switch
LD series

Pressure range: 2 psi - 3,000 psi

... Ashcroft® LD differential pressure switch is designed for applications requiring high reliability, safety and accuracy. It's straight forward design facilitates easy field installation and calibration, ...

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ASHCROFT
water pressure switch / differential / for the chemical industry / for the petrochemical industry
water pressure switch
PD series

Pressure range: 2 psi - 3,000 psi

... Ashcroft® PD differential pressure switch was designed for use with harsh applications where uncompromising protection is required. It combines field-proven technology, stability and long cycling, making ...

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ASHCROFT
diaphragm pressure switch / stainless steel / IP65
diaphragm pressure switch
0164

Process temperature: -40 °C - 12 °C
Pressure range: 0 bar - 600 bar

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Suco VSE France
diaphragm pressure switch / IP65
diaphragm pressure switch
0168 series

Process temperature: -40 °C - 120 °C
Pressure range: 0 bar - 300 bar

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Suco VSE France
piston pressure switch / diaphragm / for hydraulic applications / for railway applications
piston pressure switch
0110, 0111 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 600 bar

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Suco VSE France
oil pressure switch / mechanical / for central lubrication units
oil pressure switch
DSB series

Process temperature: -25 °C - 80 °C
Pressure range: 300 bar

... astonishing pressure switch is directly incorporated to the lubricant line. the cul-de-sac may become a blockage, or harden after some time leaving the pressure switch ...

oil pressure switch / piezoresistive / for central lubrication units
oil pressure switch
DSA series

Process temperature: 10 °C - 60 °C
Pressure range: 1 bar - 30 bar

Typically, pressure switches can be used for oil, lubricants and fluid grease. However, when grease is used, a specific model of pressure switch is required to prevent hardening near ...

piezoresistive pressure switch / for central lubrication units / with digital display
piezoresistive pressure switch
DSC series

Process temperature: -10 °C - 80 °C
Pressure range: 100 bar

The analogue pressure gauge visually checks the pressure changes in centralized lubrication systems. In centralized lubrication system with piston distributors pressure build-up, pressure ...

gas pressure switch / electronic / with digital display / IP65
gas pressure switch
PST

Process temperature: 0 °C - 50 °C
Pressure range: -2,000 mbar - 2,000 mbar

... sensors have ABS housing (IP 65 protection), a 10-digit LCD display and red LED in front. Configuration is by software or DIP switch. This sensor is easily and quickly mounted using the 1/4 turn system and wall mount ...

mechanical pressure switch / increased safety
mechanical pressure switch
PS 113 A/PS 115

Process temperature: 0 °C - 90 °C
Pressure range: 50 Pa - 200,000 Pa

For accurate gas-type independent pressure measurement of venting procedures Easy to integrate Including connection cable Flange size: DN 16 ISO-KF Rugged construction Dependable long-term ...

mechanical pressure switch / adjustable
mechanical pressure switch
PS 115

Process temperature: 5 °C - 90 °C
Pressure range: 50 Pa - 200,000 Pa

Adjustment range 0.5-2000 mbar For use with SV 110 Can also be used with differential pressure Flange size: DN 16 ISO-KF Rugged construction Dependable long-term operation

differential pressure switch / with digital display / relative / adjustable
differential pressure switch
PNI02x series

Process temperature: -25 °C - 80 °C
Pressure range: 0 bar - 250 bar

... comparison of set/actual values directly in the sensor Automatic adjustment of the switch point Clearly visible LED display Efficient differential pressure monitoring

liquid pressure switch / diaphragm / industrial / compact
liquid pressure switch
0110

Pressure range: 0.1 bar - 50 bar

... quick attachment and reliable connection High protection class (to IP67 or IP6K9K) Compact and rugged design in industrial environments like construction and agricultural machinery or commercial vehicles ...

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SUCO
liquid pressure switch / piston / industrial / adjustable
liquid pressure switch
0111

Pressure range: 50 bar - 150 bar

... , available as normally open or normally closed Piston pressure switch 0111 - Deutsch DT04 - 2P (50 - 150 bar) Pressure range: 50 to 150 bar (+/- 5) 600 bar Overpressure safety: Pressure ...

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SUCO
diaphragm pressure switch / industrial / adjustable / compact
diaphragm pressure switch
0112

Pressure range: 0.1 bar - 50 bar

... High overpressure resistance, compact, small switches, available as normally open or normally closed Diaphragm pressure switch 0112 - AMP Superseal 1.5 (0,1 - 50 bar)

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SUCO
air pressure switch / mechanical / modular / miniature
air pressure switch
SY series

Process temperature: -10 °C - 50 °C
Pressure range: 13, 15 bar

Syntesia pressure switches feature a high degree of miniaturisation and a modem attractive design. As they are extremely modular, the Syntesi« series can be installed facing up or down. They come reody assembled with ...

air pressure switch / mechanical / miniature / modular
air pressure switch
PS x00 series

Process temperature: -10 °C - 50 °C
Pressure range: 13, 15 bar

Skillair® pressure switches feature a high degree of miniaturisation and a modern attractive design. As they are extremely modular, the Skillair® series can be installed facing up or down. They come ready assembled with ...

diaphragm pressure switch / adjustable / IP65 / IP54
diaphragm pressure switch
PM series

Process temperature: -5 °C - 60 °C
Pressure range: 1 bar - 10 bar

... R1/8, G1/4, M5 and tube 4/2, depending on the chosen product series, while the operating pressure has a value of -5 to 60 degrees Celsius. The operating pressure is between 1 and 10 bar, while the ...

air pressure switch / diaphragm / industrial
air pressure switch
DL...K series

Pressure range: 0.2 mbar - 150 mbar

The Diaphragm pressure switch comes with micro switch intended for regulating and monitoring air pressures on industrial/commercial fittings. The micro switch ...

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Honeywell Thermal Solutions
air pressure switch / diaphragm / industrial
air pressure switch
DL...E series

Pressure range: 0.2 mbar - 50 mbar

Diaphragm pressure switches with micro switch (silicone-free versions available) for monitoring air pressures on industrial and commercial installations, for positive ...

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Honeywell Thermal Solutions
air pressure switch / diaphragm / industrial
air pressure switch
DL..A series

Pressure range: 0.2 mbar - 150 mbar

... Pressure switch with gold-plated contacts for voltages of < 24 V, Pressure switch with pilot lamp, Pressure switch ...

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Honeywell Thermal Solutions
liquid pressure switch / flush diaphragm / electronic / for hydraulic applications
liquid pressure switch
PSD-30, PSD-31

Process temperature: -20 °C - 85 °C
Pressure range: 0 bar - 600 bar

This electronic pressure switch is perfectly suited for a wide range of applications to include pneumatics, hydraulics, machine tools, compressors, pumps and machine building. It comes with an extensive ...

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WIKA Alexander Wiegand SE & Co. KG
gas pressure switch / piston / for injection molding machines / for hydraulic applications
gas pressure switch
PSM02

Process temperature: -20 °C - 80 °C
Pressure range: 0.2 bar - 400 bar

Presenting the latest Model PSM02 OEM compact pressure switch. Designed with two adjustment screws that enable easy and convenient on-site setting of the required switch point. Guarantees ...

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WIKA Alexander Wiegand SE & Co. KG
gas pressure switch / for air / diaphragm / for hydraulic applications
gas pressure switch
PSM03

Process temperature: -20 °C - 80 °C
Pressure range: 0.2 bar - 400 bar

... resistance Setting ranges from 0.2 ... 2 bar to 40 ... 400 bar Long service life due to high-quality micro switch Precise switch point setting with adjustment knob

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WIKA Alexander Wiegand SE & Co. KG
air pressure switch / mechanical / OEM / low-pressure
air pressure switch
PS11 series

Process temperature: -40 °C - 121 °C
Pressure range: 0 bar - 1 bar

For low pressure applications, the longevity of our PS11 series pressure switch is hard to beat. A life expectancy of 1 million cycles means long-term reliability. Their snap-action microswitch ...

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GEMS SENSORS & CONTROLS
air pressure switch / diaphragm / OEM / compact
air pressure switch
PS31/PS51, PS32/PS52 series

Process temperature: -40 °C - 110 °C
Pressure range: 0 bar - 20 bar

The PS31 Pressure Switch, formerly the PMLA Model, is recommended for low temperature Pneumatic Applications. It comes with a factory setting but can be adjusted. It is made with metal blade contacts ...

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GEMS SENSORS & CONTROLS
diaphragm pressure switch / miniature
diaphragm pressure switch
PS41 series

Process temperature: -23 °C - 121 °C
Pressure range: 0 bar - 7 bar

This pressure switch is part of the PS41 series of products, being one of the most economical pressure switches on the market. In terms of the specifications, the operating pressure ...

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GEMS SENSORS & CONTROLS
electromechanical pressure switch
electromechanical pressure switch
MH Series

Honeywell's MH Series pressure switches are easily customizable, durable, reliable electromechanical pressure on/off switches. They boast the following specifications: Pressure switching ...

electromechanical pressure switch / rugged
electromechanical pressure switch
HP / HE / ME / LP / LE

... environmental sealing and high proof pressure and burst pressure ratings for use in many rugged applications requiring making or breaking of an electrical connection in response to a pressure ...

steam pressure switch / bellows / increased safety / IP65
steam pressure switch
BCP

Process temperature: -20 °C - 70 °C
Pressure range: 0 bar - 63 bar

... installations with critical safety reasons. The controllers come as high and low pressure limiters as well as pressure controllers from low pressure BCP1 with narrow differential ...

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Danfoss Industrial Automation
steam pressure switch / differential / IP66 / IP54
steam pressure switch
RT TÜV

Process temperature: -40 °C - 70 °C
Pressure range: 0 bar - 25 bar

A number of control options are available with the RT series of single pressure switches: safety pressure for neutral zones, safety pressure for steam boiler plants and fail-safe controls ...

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Danfoss Industrial Automation
liquid pressure switch / diaphragm / differential / compact
liquid pressure switch
KPS

Process temperature: -40 °C - 70 °C
Pressure range: 0 bar - 45 bar

... accommodates pressure ranges of 0-60 bar. It has gold plated contact frameworks, flexible/settled differentials, sturdy and compact construction and shock and vibration resistance. Moreover, the diaphragm version is also ...

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Danfoss Industrial Automation
liquid pressure switch / electronic / with digital display
liquid pressure switch
HEDE10A1-2Xxx/1/

HEDE10A1-2X.../1/ is an electronic pressure switch with an integrated analogue output that is manufactured by Bosch. This model belongs to the 2X component series and provides safe operation with a pressure ...

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Bosch Rexroth - Industrial Hydraulics
liquid pressure switch / mechanical / double / with digital display
liquid pressure switch
HEDE10A1-2Xxx/2/

■ Component series 2X ■ Maximum operating pressure 600 bar

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Bosch Rexroth - Industrial Hydraulics
piston pressure switch
piston pressure switch
HED 5 -3X

Process temperature: -40 °C - 50 °C
Pressure range: 25 bar - 400 bar

Bosch Rexroth mechanical pressure switches offer HED 5 -3X hydro-electric piston type pressure switches. The component series 3X switches have a maximum operating pressure of 400 bar. ...

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Bosch Rexroth - Industrial Hydraulics
Bourdon tube pressure switch / industrial
Bourdon tube pressure switch
BR4200 series

... applications. Bourdon tube pressure gauge for diaphragm seal and switch function Nominal range -1…3 bar to -1…15 bar, 0…4 bar to 0…400 bar High quality case with bajonet ring NS 100 Case, measuring ...

water pressure switch / for steam / diaphragm / industrial
water pressure switch
PHP

Process temperature: -5 °C - 200 °C
Pressure range: 0 bar - 12 bar

Extraordinary heat resistance, up to 200°C ( 392°F ) over 100.000 cycles with full steam Minimum Hysteresis ( recovering point within 1%) Suitable for application where high accuracy is needed Especially suitable in sterilization with ...

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ELETTROTEC s.r.l.
diaphragm pressure switch / piston / adjustable / ATEX
diaphragm pressure switch
PML / PPL

Process temperature: -5 °C - 60 °C
Pressure range: 0.5 bar - 600 bar

Switch rating 3(2)A / 250Vac Electrical connection DIN 43650 PG09 Adjusting range 0.5..10 bar, 10...100 bar; 30...150 bar; 150...350 bar Max static pressure 300 bar or 600 bar (according to the ...

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ELETTROTEC s.r.l.
diaphragm pressure switch / piston / adjustable / stainless steel
diaphragm pressure switch
PMN series

Process temperature: -40 °C - 140 °C
Pressure range: 0.1 bar - 600 bar

... Piston Adjustable Pressure Switch provides a good quality performance and functionality to be able to meet the standards and needs of the users and operators. The vacuum switch is integrated ...

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ELETTROTEC s.r.l.
electromechanical pressure switch / for pumps / for compressors / HVAC
electromechanical pressure switch
PS80 Series

Process temperature: -65 °F - 275 °F
Pressure range: 0 psi - 750 psi

Safe and reliable automatic reset pressure switch designed to fit to meet a broad spectrum of applications including HVAC & R, pumps and compressors by offering a wide range of pressure ...

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Sensata Technologies
electromechanical pressure switch / custom
electromechanical pressure switch
25PS

Process temperature: -40 °F - 275 °F
Pressure range: 500 psi

Sensata’s 25PS pressure switch family of products has been designed for direct control of electric motors and other demanding load applications requiring precise pressure settings. Sensata’s ...

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Sensata Technologies
industrial pressure switch / HVAC / for harsh environments
industrial pressure switch
20PS

The 20PS Family of Switch products (20PS, 39PS, 40PS and 41PS) was developed to meet the demanding needs of HVAC & industrial applications and has since become a staple in the heavy vehicle and off road ...

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Sensata Technologies
electronic pressure switch / increased safety
electronic pressure switch
S1100

Pressure range: -0.9 bar - 25 bar

These electronic pressure switches are designed for complex switching tasks with high functionality and performance. Due to the reliable thin film technology the tecsis pressure switches provide a high ...

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tecsis
differential pressure switch / increased safety
differential pressure switch
S4510, S4530

Pressure range: 0.3 bar - 50 bar

The pressure switches can be obtained for adjustable ranges between 0.3 bar and 50 bar. The switching output can be set over the whole adjustable range. Features High overpressure safety Good repeatability ...

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tecsis
liquid pressure switch / electronic / with digital display
liquid pressure switch
S2400, S2410

Pressure range: -1 bar - 700 bar

Electronic pressure switch SC400 / SC410 / SC420 with measurement display and scalable analog output (4 ... 20 mA / 0 ... 10 V), up to 700 bar Features Sensing element ceramic or thin - film ...

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tecsis
gas pressure switch / diaphragm / increased safety
gas pressure switch
PS 115

... applications where simple, fast and accurate pressure control is desired and necessary several pressure switch and control devices are available. For example the universal pressure ...

air pressure switch / mechanical
air pressure switch
PPE series

Pressure range: 125 psi

... with a snap acting switch. It also incorporates the pilot actuator from the PAV series. The device is a snap acting single pole. It has double throw switch with attachments in the form of three screw ...

diaphragm pressure switch / adjustable / stainless steel
diaphragm pressure switch
D1S, D2S series

Process temperature: -40 °C - 75 °C
Pressure range: -6 mbar - 10,300 mbar

The D1S and D2S series are diaphragm pressure switches, manufactured by Barksdale. These products are used for pressure control purposes, having stainless steel diaphragms. They also have welded wetted ...

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Barksdale
diaphragm pressure switch / adjustable / stainless steel
diaphragm pressure switch
D1T, D2T

Process temperature: -40 °C - 75 °C
Pressure range: -6 mbar - 10,300 mbar

... D1T/D2T is an adjustable diaphragm pressure switch that is capable of generating a pressure range of -0.006 to -1 bar and 0.005 to 10.3 bar. Enclosed in a metal housing and integrated ...

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Barksdale
water pressure switch / diaphragm / explosion-proof / stainless steel
water pressure switch
D1X, D2X serie

Process temperature: -40 °C - 75 °C
Pressure range: -6 mbar - 10,300 mbar

The D1X and D2X are metal diaphragm vacuum and pressure switches for controlling pressure in high-risk setting with stainless steel diaphragm. Their construction includes all wetted parts being welded. ...

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Barksdale
gas pressure switch / electronic / with digital display / stainless steel
gas pressure switch
PSC series

Process temperature: 0 °C - 80 °C
Pressure range: -1 Pa - 700 Pa

The PSC model is an electronic pressure switch with integrated display. This device is mainly used to continuously monitor pressure and allow simple switch point configuration ...

liquid pressure switch / bellows / differential / stainless steel
liquid pressure switch
SCH series

Process temperature: 70 °C
Pressure range: -1 bar - 0.1 bar

Most of the above pressure sensors of the mechanical pressure switches are equipped with the measuring bellows which are subjected to lower loads and show very slight movement in comparison with the permissible ...

oil pressure switch / piston / IP65
oil pressure switch
DV7.1 series

Pressure range: 60 bar - 1,000 bar

Superior conception Piston type pressure switch with one change-over switch, easily adjustable over the entire pressure range, with scale for presetting of the pressure ...

oil pressure switch / piston / adjustable
oil pressure switch
DV7.2 series

Pressure range: 70 bar - 1,000 bar

Superior conception Piston type pressure switch with one change-over switch, easily adjustable over the entire pressure range, with scale for presetting of the pressure ...

mechanical pressure switch / stainless steel / adjustable / explosion-proof
mechanical pressure switch
ATM/GR

Process temperature: -40 °C - 150 °C
Pressure range: 100 mbar - 1,000,000 mbar

... Customer benefits 2 limit switches adjustable over 0 - 100% of the pressure range Reverse polarity and short circuit protected Fast customization thanks to modular product design Pressure swtich and analog ...

How to choose this product

pressure-switch

A pressure switch controls and adjusts a hydraulic or pneumatic system. It reacts to a pressure threshold or setpoint. Activating an on-off output, such as a dry contact, directly governs a mechanism which reestablishes the desired pressure.

Applications

These devices are found in process control, for compressor or pump operation, in chemistry, automobiles, agribusiness, the energy industry, hydraulics, construction, refrigeration units and in oil and natural gas installations.

Technologies

Relative or absolute pressure gas, vapor or liquid switches have a single input. Differential models have two inputs. Such switches can be mechanical or electronic.

Mechanical switches use a diaphragm, a piston or a Bourdon tube. The output contact may be normally open (NO) or normally closed (NC). A calibration screw is used to adjust the setpoint. Hysteresis parameters are set by the manufacturer or are adjustable.

Electronic switches also act as pressure transmitters. They use strain gauge, capacitive, inductive or piezoelectric measurement methods. Setpoints are programmable; readings are transmitted by two-wire, four-20 mA current loop or a three-wire 0-10 V arrangement. They are temperature-compensated and more precise.

How to choose

Choice will depend on the switch's working pressure and adjustment ranges, hysteresis, ability to withstand excess pressure and degree of protection.