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air pressure switch / differential / with digital display / IP65
air pressure switch
600, 640 series

Process temperature: 0 °C - 50 °C
Pressure range: -1 bar - 10 bar

... digital pressure switch is provided with two compressed air ports placed at the back and on the bottom. It is designed with an LED video that displays the pressure value and keypad that ...

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

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

The manufacturers of Syntesi® pressure switches have greatly reduced their scale with their improved and attractive design. These switches involve modules in which they can be installed facing either up or down. These ...

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 represent attractive, high degree of miniature and standard modular design for easy facing up or down installation. The switches come ready assembled with a 2-metre cable or an M8 connector ...

air pressure switch / diaphragm / miniature / IP65
air pressure switch

Process temperature: 50 °C
Pressure range: 0.5 bar - 15 bar

This type of pressure switch features a high degree of miniaturisation and a modern attractive design. It can be installed in any position and also mounted onto a wall by means of two transversal holes. ...

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 ...

fluid pressure switch / electromechanical / rugged
fluid 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 ...

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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Elster GmbH
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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Elster GmbH
air pressure switch / diaphragm / industrial
air pressure switch
DL..A series

Pressure range: 0.2 mbar - 150 mbar

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

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Elster GmbH
air pressure switch / diaphragm / for air conditioning
air pressure switch
CPS series

Pressure range: 20 Pa - 400 Pa

Diaphragm pressure switches with micro switch (silicone-free versions available) for monitoring air pressures on air-conditioning, ventilation and extraction systems, for positive pressure, ...

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Elster GmbH
gas pressure switch / diaphragm / adjustable
gas pressure switch
DG..C series

Pressure range: 2 mbar - 360 mbar

Diaphragm pressure switches with micro switch (silicone-free) for monitoring gas pressures on boilers, for positive pressure, for gas, also suitable for biologically ...

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Elster GmbH
oil pressure switch / mechanical / for centralized 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 centralized 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 ...

fluid pressure switch / piezoresistive / for centralized lubrication units / with digital display
fluid 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 ...

fluid pressure switch / mechanical / adjustable
fluid pressure switch
PM1 series

Process temperature: -20 °C - 80 °C
Pressure range: -0.9 bar - 16 bar

Measurement Relative pressure Switching element microswitch (input/output) Switching frequency 1,5 Hz Protection against overpressure 80 bar Ambient temperature min./max. -20°C / +80°C Medium temperature min./max. -10°C ...

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

Process temperature: 0 °C - 90 °C
Pressure range: 50 Pa - 200000 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 - 200000 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

fluid pressure switch / diaphragm / differential / industrial
fluid pressure switch
B series

Process temperature: -19 °C - 65 °C
Pressure range: 0 psi - 3000 psi

... designed by Ashcroft for various industrial and OEM applications, so if users are running such a project, this is a product they should not miss. The enclosure is NEMA 4X, rated IP66, and there is a large choice of switch ...

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ASHCROFT
liquid pressure switch / diaphragm / differential / industrial
liquid pressure switch
B series

Process temperature: -19 °C - 65 °C
Pressure range: 0 psi - 3000 psi

... Ashcroft is composed of various products and can be used with various industrial applications and processes. In addition to this, the enclosure is IP66 certified and there is a choice of switch elements, ...

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ASHCROFT
fluid pressure switch / differential / industrial / OEM
fluid pressure switch
GP series

Process temperature: 0 °F - 300 °F
Pressure range: 0 psi - 3000 psi

The Type G Series Nema 4 Pressure Switches Watertight 316 SS Enclosure by ASHCROFT. It is designed and develop as pressure switches. It is made according to NEMA 4X, IP65 enclosure specifications with ...

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ASHCROFT
liquid pressure switch / diaphragm / OEM / for the chemical industry
liquid pressure switch
F series

Process temperature: 0 °F - 200 °F
Pressure range: 0 Pa - 27579029.17 Pa

The Type F series of compact pressure switches features many convenient points. It uses a diaphragm-sealed piston actuator to keep it active and a watertight aluminum body to keep it ready for more functions. It also ...

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ASHCROFT
fluid pressure switch / differential / industrial / OEM
fluid pressure switch
LP series

Process temperature: 0 °F - 300 °F
Pressure range: 0 Pa - 20684271.88 Pa

Ashcroft® Type L Series pressure switches can be easily integrated into any process, industrial and OEM applications. This broad switch series features NEMA 4X watertight enclosure rated ...

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ASHCROFT
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 220V ...

liquid pressure switch / flush diaphragm / sanitary wares / with display
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 ...

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 ...

gas pressure switch / for air / diaphragm
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

gas pressure switch / for liquids / mechanical
gas pressure switch
PXS

Process temperature: -40 °C - 85 °C
Pressure range: 0 bar - 400 bar

... general plant construction, water treatment, pharmaceutical industry Special Features Case made of stainless steel Ingress protection IP 66 Ambient temperature -40 ... +85 °C 1 switch ...

gas pressure switch / for liquids / diaphragm / stainless steel
gas pressure switch
MW1

Process temperature: -40 °C - 85 °C
Pressure range: 0 bar - 40 bar

... , water treatment, pharmaceutical industry Special Features Case made of stainless steel, electropolished Ingress protection IP 65, NEMA 4 Ambient temperature -40 ... +85 °C 1 or 2 independent switch ...

diaphragm pressure switch / adjustable / IP65
diaphragm pressure switch
0163 series

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

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Suco VSE France
diaphragm pressure switch / adjustable
diaphragm pressure switch
0166 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 300 bar

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Suco VSE France
diaphragm pressure switch / adjustable
diaphragm pressure switch
0167 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.1 bar - 35 bar

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Suco VSE France
adjustable piston pressure switch
adjustable piston pressure switch
0169 series

Process temperature: -40 °C - 120 °C
Pressure range: 50 bar - 600 bar

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Suco VSE France
mechanical pressure switch / plug-in
mechanical pressure switch
0140, 0141 series

Process temperature: -40 °C - 120 °C
Pressure range: 0.3 bar - 600 bar

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Suco VSE France
oil pressure switch / mechanical / with digital display / IP65
oil pressure switch
PST

Process temperature: 0 °C - 50 °C
Pressure range: -2000 mbar - 2000 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 ...

steam pressure switch / bellows / increased safety
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 / adjustable / IP66
steam pressure switch
RT

Process temperature: -20 °C - 65 °C
Pressure range: 0 bar - 42 bar

... the marine and industrial sectors and has been in service for more than 60 years. To continue, this top of the line RT single pressure switches series include a variety of controls like the neutral zone ...

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

Process temperature: -40 °C - 70 °C
Pressure range: 0 bar - 42 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 / differential / compact / rugged
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
water pressure switch / differential / compact / rugged
water pressure switch
CAS

Process temperature: -25 °C - 70 °C
Pressure range: 0 bar - 120 bar

... involving pressure peaks. The enclosure is an IP67 model and designed to be resistant to seawater. The pressure ranges offered by the CAS series are 0 – 60bar. In addition to the micro switch ...

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Danfoss Industrial Automation
mechanical pressure switch / electronic / for hydraulic applications / adjustable
mechanical pressure switch
DG series

Pressure range: 1000 bar

The DG Pressure Switches from HAWE Hydraulik are capable of working on different settings, equipped with adjustable dials, main, secondary and screw-on pressure switches that gives the user a wide range ...

gas pressure switch / for liquids / for steam / differential
gas pressure switch
T 5335

Process temperature: 80 °C
Pressure range: 35 mbar - 10000 mbar

Type 4738 differential pressure has process medium with a maximum permissible temperature of 80 degrees Celsius. Type 4738 is a limit switch that releases an electrical limit signal, used in controlling ...

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
oil pressure switch / for air / piston / for hydraulic applications
oil pressure switch
PS61 series

Process temperature: -54 °C - 135 °C
Pressure range: 0.7 bar - 300 bar

... Controls' PS61 Subminiature Pressure Switch family is designed for OEM applications. It is available with enhanced ingress protection (IP) to IPX7, IPX9K, and IP6KX and integral electrical connections. ...

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GEMS SENSORS & CONTROLS
oil pressure switch / mechanical / for hydraulic applications / OEM
oil pressure switch
PS61 series

Process temperature: -40 °C - 110 °C
Pressure range: 1 bar - 207 bar

These compact pressure switches are designed with the OEM in mind. They are equipped with high proof pressure capabilities for demanding hydraulic applications such as forklifts, scissor lifts, and off ...

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GEMS SENSORS & CONTROLS
liquid pressure switch / diaphragm / adjustable / compact
liquid pressure switch
0166

Pressure range: 100 mbar - 50000 mbar

... maximum voltage 42 V - Most cost-effective solution for mechanical pressure monitoring - Stable switching point even after long use and high load - Switching point can be adjusted - High pressure resistance, ...

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SUCO
fluid pressure switch / mechanical
fluid pressure switch
Plus

... of mechanical pressure switches is often limited by their construction method and functional principle. The SUCO pressure switches PLUS offer intelligent and innovative electronic functions broaden the ...

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SUCO
fluid pressure switch / piston / adjustable / IP65
fluid pressure switch
0183

Pressure range: 100 bar - 300 bar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
fluid pressure switch / diaphragm / adjustable / stainless steel
fluid pressure switch
0186

Pressure range: 0.5 bar - 100 bar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
fluid pressure switch / piston / adjustable / stainless steel
fluid pressure switch
0187

Pressure range: 50 bar - 200 bar

Changeover with silver or gold contacts -Switching point can be adjusted when fitted on site -Factory adjustable hysteresis (except types 0140 and 0141) -High overpressure safety and long service life under harsh conditions -Operating ...

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SUCO
electronic pressure switch / OEM / relative / rugged
electronic pressure switch
EDS 410

Process temperature: -40 °C - 85 °C
Pressure range: 0 bar - 600 bar

... . Electronic pressure switch EDS 410 is designed for the application in series machines. In adherence to the standard versions EDS 4000, the EDS 410 comes with a ceramic measuring cell plus thick layer ...

water pressure switch / electronic / thin-film / for hydraulic applications
water pressure switch
DPC 8380

Process temperature: -25 °C - 85 °C
Pressure range: 0 bar - 100 bar

The DPC 8380 is the ideal combination of pressure switch and transmitter with pressure display. The parameters are set on the device or in a timesaving way via an NFC - smartphone App. ...

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Trafag AG sensors & controls
liquid pressure switch / electronic / thin-film / for hydraulic applications
liquid pressure switch
DPS 8381

Process temperature: -25 °C - 85 °C
Pressure range: 600, 4, 2.5 bar

The DPC 8381 is the ideal combination of pressure switch and transmitter with a pressure display. The parameters are set on the device or in a timesaving way via an NFC - smartphone App. ...

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Trafag AG sensors & controls
oil pressure switch / bellows / for hydraulic applications / for railway applications
oil pressure switch
901/902

Process temperature: -25 °C - 70 °C
Pressure range: -0.9 bar - 40 bar

Features Rugged aluminium housing Protection IP65 Any mounting position possible Applications Engine manufacturing, Railways, Machine tools, Hydraulics Category Railways

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Trafag AG sensors & controls
oil pressure switch / diaphragm / for hydraulic applications / HVAC
oil pressure switch
901/902/905/906

Process temperature: -40 °C - 150 °C
Pressure range: 30 mbar - 1000 mbar

Features Rugged aluminium housing Protection IP65 Any mounting position possible

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Trafag AG sensors & controls
oil pressure switch / bellows / for hydraulic applications / for marine applications
oil pressure switch
P/PS 900/904/912

Process temperature: -25 °C - 70 °C
Pressure range: -0.9 bar - 100 bar

Features Rugged aluminium housing Protection IP65 Any mounting position possible Applications Shipbuilding, Engine manufacturing, Railways, Machine tools, Hydraulics

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Trafag AG sensors & controls
mechanical pressure switch / for hydraulic applications / industrial / OEM
mechanical pressure switch
PRESSOSTATO REGOLABILE PM250

Process temperature: 140 °C
Pressure range: 600 bar

PM250 pressure switch is particularly suitable for applications in the lifting sector, such as lifts, elevators, home elevators, hospital elevators, in-ground lifting cylinders, two-and four-column lifting ...

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

Process temperature: -25 °C - 140 °C
Pressure range: 0 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.
adjustable piston pressure switch / diaphragm / stainless steel / IP65
adjustable piston pressure switch
PMM series

Process temperature: -25 °C - 140 °C
Pressure range: 0 bar - 600 bar

... Adjustable Pressure Switch with a rate of 0.5(0.2) A or 48V ac/dc. The switch can have pressure ranges of 0.10-1.0 bar, 0.15-2.0 bar, 2-10 bar, 10-20 bar, 20-50 bar, ...

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ELETTROTEC s.r.l.
diaphragm pressure switch / adjustable / stainless steel / IP54
diaphragm pressure switch
MS, PS series

Process temperature: -25 °C - 140 °C
Pressure range: 0 bar - 600 bar

... 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.
piston pressure switch / diaphragm / adjustable / stainless steel
piston pressure switch
PSM, PSP series

Process temperature: -25 °C - 140 °C
Pressure range: 0 bar - 600 bar

The instrument comes with a switch rating of 6(2)A / 250Vac. Its electrical connection configuration is DIN 43650 PG09 (standard)/PG11 and the adjustment range is at 0.22 bar. The maximum static pressure ...

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ELETTROTEC s.r.l.
electronic pressure switch
electronic pressure switch
GS/GSX series

Pressure range: -1 bar - 400 bar

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GEORGIN S.A.
gas pressure switch / for liquids / diaphragm / explosion-proof
gas pressure switch
P series

Process temperature: -50 °C - 600 °C
Pressure range: 0 bar - 1000 bar

The F/P series is an explosion proof pressure switch that is housed in a conventional enclosure. It is integrated with one or two single pole, double throw micro switches. This intrinsically safe device ...

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GEORGIN S.A.
gas pressure switch / differential / industrial / stainless steel
gas pressure switch
F series

Process temperature: -40 °C - 150 °C
Pressure range: 0 bar - 1000 bar

The F series features a wide array of electronic pressure switches that posses a relative pressure capacity of -1 to 1000 bar and a differential pressure capability ranging from 0 to ...

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GEORGIN S.A.
electronic pressure switch / relative / with display
electronic pressure switch
U series

Process temperature: -20 °C - 100 °C
Pressure range: 0.5 bar - 40 bar

The U series is manufactured by Georgin, and is an electronic pressure switch that has a pressure capacity that ranges from 0.5 bar up to 40 bar. Its enclosure is made of polyarylamide, ...

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GEORGIN S.A.
air pressure switch / diaphragm / differential / relative
air pressure switch
AIRGAS series

Process temperature: -20 °C - 80 °C
Pressure range: 0 bar - 1.1 bar

... relative and differential pressure Ranges: » From -500 to 1100 mbar (relative pressure) » From 0 to 1100 mbar (differential pressure) Case: Coated steel Sensing element: » NBR, ...

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GEORGIN S.A.

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.