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

Honeywell’s Pressure Switches are durable, reliable electromechanical gage pressure on/off switches consisting of high, medium and low pressure options. ...

thin-film pressure switch / 2-wire / vacuum / piston
thin-film pressure switch
HP, HE, LP, LE Series

Pressure range: 3.5 psi - 4500 psi

... rupture pressures craft them one among the most long-lasting switches in the business. Features include: Life span rating maximum two million, IP67 closing rating, -40 °C to 120 °C as the range of ...

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

mechanical pressure switch / adjustable
mechanical pressure switch
PS 115

membrane pressure switch / for air
membrane 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, ...

membrane pressure switch / for air
membrane pressure switch
DL..A series

Pressure range: 0.2 mbar - 150 mbar

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

membrane pressure switch / for air
membrane pressure switch
DL...K series

Pressure range: 0.2 mbar - 150 mbar

... usage such as positive pressure, negative pressure, differential pressure, air and flue gas applications. Works perfectly also as special-design pressure ...

membrane pressure switch / for gas
membrane pressure switch
DG..C series

Pressure range: 2 bar - 360 bar

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

membrane pressure switch / for gas
membrane pressure switch
DG series

Pressure range: 0.4 mbar - 500 mbar

The silicone free micro switch switches for monitoring gas pressures on industrial installations for gas and air. It is also capable of monitoring biologically produced ...

mechanical pressure switch / for water / with digital display
mechanical pressure switch
ISE30A series

Process temperature: 0 °C - 50 °C
Pressure range: -105000 Pa - 1050000 Pa

... performance of ZSE/ISE 30 Series, the latest Series of ZSE30 A(F) / ISE30A is the new, sophisticated precise digital pressure switches that come with twin-color display and high performing features. ...

electronic pressure switch / vacuum / for fluids / compact
electronic pressure switch
PS1

Process temperature: 0 °C - 60 °C
Pressure range: -100000 Pa - 1000000 Pa

... PS1 series, electronic pressure switch is available for positive pressure and for vacuum. PS1 is extremely compact and lightweight. Dimensions are 13W X 10H X 30L (mm) for standard ...

membrane pressure switch / adjustable
membrane pressure switch
0.1 - 50 bar, max. 300 bar | 0166 series

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Suco VSE France
membrane pressure switch / adjustable
membrane pressure switch
0.1 - 50 bar, max. 600 bar | 0163 series

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Suco VSE France
adjustable piston pressure switch
adjustable piston pressure switch
50 - 150 bar, max. 600 bar | 0169 series

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Suco VSE France
membrane pressure switch / adjustable
membrane pressure switch
0.1 - 20 bar, max. 20 bar | 0167 series

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Suco VSE France
adjustable piston pressure switch
adjustable piston pressure switch
50 - 150 bar, max. 600 bar | 0121 series

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Suco VSE France
bellows pressure switch / for steam / increased safety
bellows pressure switch
BCP

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

The BCP, Pressure controller/ Pressure limiter are dedicated pressure switches used for safe pressure monitoring of steam and hot water boilers. BCP ...

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Danfoss Industrial Automation
differential pressure switch / for steam / IP66 / adjustable
differential pressure switch
RT

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

RT switches are often utilized in both 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 ...

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

Process temperature: -40 °C - 70 °C
Pressure range: 0 bar - 42 bar

... RT series of single pressure switches: safety pressure for neutral zones, safety pressure for steam boiler plants and fail-safe controls with gold-plated construction ...

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Danfoss Industrial Automation
differential pressure switch / for liquids / ultra heavy-duty / compact
differential 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 ...

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Danfoss Industrial Automation
differential pressure switch / for water / ultra heavy-duty / compact
differential 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
differential pressure switch / for gas / for liquids / for steam
differential pressure switch
T 5335

Process temperature: 80 °C
Pressure range: 35 mbar - 10 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 ...

mechanical pressure switch / for fluids / adjustable
mechanical 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 ...

mechanical pressure switch / for oil
mechanical pressure switch
-10 000 ... 10 000 Pa, -2 000 ... 2 000 mbar | PST

... 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 ...

membrane pressure switch / IP54 / adjustable
membrane 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 ...

mechanical pressure switch / for liquids / for hydraulic applications / compact
mechanical pressure switch
PC series

Process temperature: -40 °C - 85 °C
Pressure range: -1 bar - 600 bar

The avant garde PC-200 series is distinctly created for IO-Link communication. Its devices are incorporated with two switching outputs that are openly programmable through the use of IO-Link. They are built with standard ...

vacuum pressure switch / for gas / for liquids / compact
vacuum pressure switch
Ceraphant PTC31

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

The Ceraphant T PTC31 is a pressure transmitter with a pressure switch to safely and absolutely measure and monitor gauge pressures. With the help of its modular connections, ...

piezoresistive pressure switch / for gas / for liquids / for steam
piezoresistive pressure switch
Ceraphant PTP31

Process temperature: -40 °C - 100 °C
Pressure range: 600 bar

The Ceraphant T PTP31 is a pressure switch to safely measure and monitor absolute and gauge pressures. Aided by its modular connections, this device has a prompt and dependable process ...

membrane pressure switch / for liquids / compact / digital
membrane pressure switch
Ceraphant PTP35

Process temperature: -40 °C - 100 °C
Pressure range: 160 bar

... Ceraphant T PTP35 by ENDRESS+HAUSER is designed and develop as pressure switch for measuring and monitoring absolute and gauge pressures. It is integrated with state-of-the-art switching ...

mechanical pressure switch / for oil / for centralized lubrication units
mechanical pressure switch
DSB series

... 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 ...

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

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

piezoresistive pressure switch / for fluids / for centralized lubrication units / digital
piezoresistive pressure switch
DSC series

... indicators of reliable operation. Pressure switches are used for automatic monitoring. In contrast to pressure gauges with analogue displays, only one signal is displayed when specific ...

mechanical pressure switch / for air / modular
mechanical pressure switch
max. 15 bar

Pressure range: 0 Pa - 15 Pa

... 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 ...

mechanical pressure switch / for air / modular
mechanical pressure switch
max. 15 bar | PS series

Pressure range: 0 Pa - 15 Pa

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 ...

differential pressure switch / for air
differential pressure switch
max. 15 bar

Pressure range: 0 Pa - 15 Pa

... 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 ...

flush diaphragm pressure switch / for liquids / ultra heavy-duty / sanitary wares
flush diaphragm 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 ...

piston pressure switch / for gas / for injection molding machines / for hydraulic applications
piston 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 ...

membrane pressure switch / for gas / for air
membrane 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

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

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

Applications Pressure monitoring and direct switching of electrical loads For measuring points with limited space For gaseous and liquid, aggressive and highly viscous or contaminated media, ...

membrane pressure switch / for gas / for liquids / explosion-proof
membrane pressure switch
MW1

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

Pressure monitoring and direct switching of electrical loads For measuring points with increased overpressure For gaseous and liquid, aggressive and highly viscous or contaminated media, ...

mechanical pressure switch / for air / OEM / low-pressure
mechanical 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 ...

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GEMS SENSORS & CONTROLS
membrane pressure switch / for air / OEM / compact
membrane 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
membrane pressure switch / miniature
membrane 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 ...

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GEMS SENSORS & CONTROLS
piston pressure switch / for air / explosion-proof / OEM
piston pressure switch
PS61P series

Process temperature: -54 °C - 135 °C
Pressure range: 35 bar - 300 bar

These subminiature pressure switches are designed for medium- to high-pressure OEM applications. They are equipped with high proof and burst pressure capabilities for ...

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GEMS SENSORS & CONTROLS
mechanical pressure switch / for oil / explosion-proof / for hydraulic applications
mechanical 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 ...

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GEMS SENSORS & CONTROLS
electronic pressure switch / digital
electronic pressure switch
max. 600 bar | EDS 410

... . 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 ...

electronic pressure switch / for electric boilers / tripolar
electronic pressure switch
P302

Process temperature: 0 °C - 140 °C
Pressure range: 0.25 bar - 0.35 bar

This switch is designed so to open a three-pole electric circuit when the pressure in the system rises and to close it when the pressure decreases. Designed for electric ...

electronic pressure switch / for electric boilers / tripolar
electronic pressure switch
P303

Process temperature: 0 °C - 140 °C
Pressure range: 0.35 bar - 0.52 bar

This switch is designed so to open a three-pole electric circuit when the pressure in the system rises and to close it when the pressure decreases. Designed for electric ...

mechanical pressure switch / for oil / for electric boilers
mechanical pressure switch
P203

Process temperature: 0 °C - 80 °C
Pressure range: 0.35 bar - 0.52 bar

This switch is designed so as to open a two-pole electric circuit when the pressure in the system rises and to close it when the pressure decreases. Designed for electric ...

diaphragm pressure switch / for oil / for gas / flameproof
diaphragm pressure switch
3.42 – II 2GD

Process temperature: -20 °C - 60 °C
Pressure range: 0 bar - 160 bar

These flameproof electrical apparatus comply with European Directive ATEX 94/9/EC, for group II and category 2 GD. They are suitable for a variety of uses in hazardous zones 1, 2, 21 and 22 in which the use of flameproof instrument is ...

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NUOVA FIMA
membrane pressure switch / for air / for the petrochemical industry / for the chemical industry
membrane pressure switch
3.10

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

... diaphragm, which works on the microswitch using an automatic pivot. The pressure switch is designed from stainless steel and aluminium alloy materials. It functions within a pressure ...

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NUOVA FIMA
membrane pressure switch / for oil / for gas / for fluids
membrane pressure switch
3.20

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

Diaphragm pressure switch These diaphragm pressure switches are IP 55, and suitable for a variety of applications such as: chemical, petrochemical and conventional power ...

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NUOVA FIMA
membrane pressure switch / for fluids / for the petrochemical industry / for the chemical industry
membrane pressure switch
3.25

Process temperature: 0 °C - 100 °C
Pressure range: 0 mbar - 600 mbar

... diaphragm pressure switches are IP55 compliant, and suitable for a variety of applications such as: chemical, petrochemical and conventional power stations. They withstand the most unfavorable working ...

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NUOVA FIMA
membrane pressure switch / for oil / for gas / for fluids
membrane pressure switch
3.27

Process temperature: 0 °C - 100 °C
Pressure range: 0 bar - 160 bar

These diaphragm pressure switches come with an IP65 Protection, and is suitable for a variety of applications such as: chemical, petrochemical, and conventional power stations. They withstand the most ...

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NUOVA FIMA
vacuum pressure switch / for gas / for liquids / digital
vacuum pressure switch
DPG3100T

Process temperature: 0 °C - 50 °C
Pressure range: 250 bar

... back-lighted programmable Resolution:1/3000 (max.) Multi Pressure Units:psi, bar, kg/cm², Kpa, Mpa, inHg, cmHg, Atm Pressure Range:Vacuum -1 bar to 250 bar Supreme Working Pressure:Up ...

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Golden Mountain Enterprise
electronic pressure switch / for water / explosion-proof
electronic pressure switch
PS2000W

Process temperature: -30 °C - 205 °C
Pressure range: 5000 psi

The PS2000W Series, manufactured by New Flow, is a pressure switch designed for regulation or monitoring of pressure. It has a proof pressure of 4,000 psi, adjustable ...

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Golden Mountain Enterprise
electronic pressure switch / for fluids / explosion-proof
electronic pressure switch
PS2100W

Process temperature: -30 °C - 205 °C
Pressure range: 1000 psi

The PS2100W Series, manufactured by New Flow, is a pressure switch designed for regulation or monitoring of pressure. It has a proof pressure of 1,000 psi, adjustable ...

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Golden Mountain Enterprise
mechanical pressure switch / for fluids / explosion-proof
mechanical pressure switch
PSA2000W

Process temperature: -30 °C - 205 °C
Pressure range: 3000 psi

The PSA2000W series is a pressure switch that is especially weatherproofed by NEMA 5, 4x and IP 65 protection. It is capable of withstanding pressures up to 3000 psi, with an adjustable ...

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Golden Mountain Enterprise
diaphragm pressure switch / for fluids / adjustable
diaphragm pressure switch
PSA2100W

Process temperature: -30 °C - 205 °C
Pressure range: 1000 psi

The PSA2100W Series manufactured by NEW FLOW is a type of a pressure system that is made from SS316 wetted material parts and has an aluminum alloy housing. This device is equipped with a welded diaphragm and an adjustable ...

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Golden Mountain Enterprise

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.

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