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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

... PSM02 screw-in pressure switches in a diaphragm or piston variant open or close a circuit, depending on whether the pressure is dropping or rising. Two adjustment screws enable easy and convenient on-site ...

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WIKA Alexander Wiegand SE & Co. KG
liquid pressure switch / for gas / diaphragm / for the chemical industry
liquid pressure switch
MW1

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

... operation as possible, the diaphragm pressure switches are fitted with micro switches, which enable the switching of an electrical load of up to AC 250 V, 20 A directly. Applications of the diaphragm pressure ...

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WIKA Alexander Wiegand SE & Co. KG
electronic pressure switch / for compressors / for pumps / for hydraulic applications
electronic pressure switch
PSD-4

Process temperature: -20 °C - 80 °C
Pressure range: 0 bar - 1,000 bar

Leading in design and functionalityThe model PSD-4 pressure switch represents the extensive further development of the PSD-30 pressure switch, itself already awarded ...

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WIKA Alexander Wiegand SE & Co. KG
liquid pressure switch / flush diaphragm / electronic / for hygienic applications
liquid pressure switch
PBSH series

Process temperature: -20 °C - 150 °C
Pressure range: -1 bar - 25 bar

... IO-Link enables fast, reliable parameter setting when changing over products The compact pressure switch for hygienic applications The electronic pressure switch ...

electronic pressure switch / diaphragm / high-precision / with digital display
electronic pressure switch
PBS

Pressure range: 0 bar - 600 bar

... IO-Link enables fast, reliable parameter setting when changing over products Universal pressure switch The PBS is an electronic pressure switch, pressure ...

air pressure switch / electronic / for pneumatic applications / with display
air pressure switch
PAC50 series

Process temperature: 0 °C - 60 °C
Pressure range: -1 bar - 10 bar

Turns pressure into colors At a glance Electronic pressure switch for pneumatic applications Large display shows system pressure, output states and set ...

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

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 ...

mechanical pressure switch / electronic / for hydraulic applications / compact
mechanical pressure switch
DG series

Pressure range: 600, 700, 400 bar

Pressure switches are hydraulic accessories. They close or open electrical contacts when under pressure. The pressure switches are used to issue an electrical switching command or ...

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 ...

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 ...

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

Process temperature: -19 °C - 65 °C
Pressure range: 0 psi - 3,000 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 - 3,000 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
differential pressure switch / industrial / OEM / for the chemical industry
differential pressure switch
GP series

Process temperature: 0 °F - 300 °F
Pressure range: 0 psi - 3,000 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
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 ...

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
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
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 ...

adjustable pressure switch / for air / differential / HVAC
adjustable pressure switch
930.8x Climair® Series

Process temperature: -30 °C - 85 °C
Pressure range: 20 Pa - 5,000 Pa

... The switching pressure can be adjusted without a pressure gauge using a scaled adjustment knob. Various versions with overlapping adjustment ranges between 0.2 mbar and 50 mbar are available for this ...

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Beck GmbH Druckkontrolltechnik
water pressure switch / differential / adjustable / IP65
water pressure switch
908 Series

Process temperature: -40 °C - 80 °C
Pressure range: 40 mbar - 1,000 mbar

... differential pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media. The differential pressure switch ...

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Beck GmbH Druckkontrolltechnik
low-pressure pressure switch / for liquids / for gas / diaphragm
low-pressure pressure switch
903 Series

Process temperature: -20 °C - 130 °C
Pressure range: -80 mbar - 300 mbar

Pressure switch factory set between 2 mbar and up to 5 mbar. Possible application is for monitoring very low pressure levels or filling levels of liquids between 2 cm and 5 cm. Factory-set ...

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Beck GmbH Druckkontrolltechnik
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 / 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.
diaphragm pressure switch / adjustable piston / stainless steel / IP65
diaphragm pressure switch
PMM series

Process temperature: -40 °C - 140 °C
Pressure range: 0.1 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.
oil pressure switch / electronic / with IO-Link interface / stainless steel
oil pressure switch
DS 300

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

DS 300 is an electronic pressure switch helps in exchange process data, diagnostic reports and status messages with a super ordinate control level. IO-Link interface equipped parameters can be set by ...

mechanical pressure switch / for hydraulic applications
mechanical pressure switch
DS 6

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

Features: - nominal pressure: 0 ... 2 bar up to 0 ... 400 bar - accuracy: 1 % FSO - 1 or 2 contacts - configurable via PC or programming device P6 - diaphragm ceramic (96 %) Optional Features: - oil- and fat ...

electronic pressure switch / for liquids / for hydraulic applications / industrial
electronic pressure switch
NAT 8252

Process temperature: -40 °C - 125 °C
Pressure range: 0 bar - 600 bar

... 7500 psi The industrial pressure transmitter NAT 8252 features an exceptionally long-term stable thin-film-on-steel sensor cell with triple (optionally 5-fold) overpressure safety. Optionally, the NAT ...

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Trafag AG
liquid pressure switch / thin-film / for hydraulic applications / for marine applications
liquid pressure switch
EPN-S 8320

Process temperature: -40 °C - 125 °C
Pressure range: 0 bar - 600 bar

Electronic Pressure Switch EPN-S 8320 Measuring principle: Thin film on steel Applications: Shipbuilding; Engine manufacturing; Railways; Machine tools; Hydraulics Approval / conformity: DNV-GL Main features: ...

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Trafag AG
liquid pressure switch / thin-film / industrial / HVAC
liquid pressure switch
DPC 8380

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

... datalogger; Pressure range adjustable, 50 … 100 % of the nominal range Measuring range: 0 ... 0.2 to 0 ... 100 bar 0 ... 2.5 to 0 ... 1500 psi adjustable 50 ... 100 % FS The DPC 8380 is the ideal combination of pressure ...

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Trafag AG
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 ...

diaphragm pressure switch / low-pressure
diaphragm pressure switch
901XL

Pressure range: 3 mbar - 50 mbar

... switching differential of 1.5 mbar at the start of the range and 15 mbar at the end of the range with a switch point tolerance band of 10 %. The new pressure switch is ...

oil pressure switch / mechanical / piston / diaphragm
oil pressure switch
PM1

Process temperature: -20 °C - 80 °C
Pressure range: -0.85 bar - 320 bar

Adjustable switch point ●Change over contact ●Flat plug 6.3×0.8 with rubber protection cap or ●Circular plug M12×1 Characteristics Mechanical pressure controller in which a membrane or piston is pre-tensioned ...

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GHM Messtechnik GmbH
electronic pressure switch / stainless steel / IP67
electronic pressure switch
PSD30

Process temperature: -20 °C - 85 °C
Pressure range: 1 bar - 600 bar

... .600 bar ●Display for pressure, Min/Max-peak values ●Manipulation protected via Password ●Different switching functions programmable Characteristics The pressure switch PSD30 conduces ...

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GHM Messtechnik GmbH
mechanical pressure switch / piston / diaphragm / stainless steel
mechanical pressure switch
PH1

Process temperature: -20 °C - 80 °C
Pressure range: 0.2 bar - 320 bar

Adjustable switch point ●Adjustable hysteresis ●Change over contact ●Plug DIN 43650-A ●Lateral cable exit Characteristics Mechanical pressure controller in which a membrane or piston is pre tensioned ...

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GHM Messtechnik GmbH
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 ...

water pressure switch / electronic / adjustable / stainless steel
water pressure switch
PS2000W

Process temperature: -30 °C - 205 °C
Pressure range: 10 psi - 5,000 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
diaphragm pressure switch / adjustable / IP66 / explosion-proof
diaphragm pressure switch
PS2100W

Process temperature: -30 °C - 205 °C
Pressure range: 1,000 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
diaphragm pressure switch / adjustable / stainless steel / IP66
diaphragm pressure switch
PSA2000W

Process temperature: -30 °C - 205 °C
Pressure range: 0 psi - 3,000 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

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.