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Pressure Switches

37 Products
Digital Pressure Transmitter, LED Display, Programmable Switches, 3-Way Design

The Series DPT Digital Pressure Transmitter features a 14-segment LED display, programmable switches, and a versatile 3-way design for easy installation and visibility.

Heavy Duty Industrial NEMA-9 Pressure Switch for High Temps

The PSW-700 series are heavy duty SPDT switches with a fixed or adjustable deadband that have NEMA-7 and NEMA-9 housings to withstand high temperatures and harsh environments

Industrial Solid State Pressure Switch for High Cycles

The PSW-601 series are 10 A SPDT solid state switches for high cycle applications. They have an adjustable deadband and NEMA-4X housing to withstand harsh environments.

Industrial Pressure Switch for Harsh Environments

The PSW-300 series are 10 A SPDT switches with fixed or adjustable deadbands that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.

Digital, Miniature Pressure Switch with Display

The PSW-1110 series are cost-effective digital pressure switches that are easy to read, easy to program, and perfect for small spaces.

Low-Pressure Diaphragm Pressure Switch, Weather & Explosion-Proof

The Series AP Low-Pressure Diaphragm Pressure Switch features a weatherproof and explosion-proof design, ideal for low-pressure applications and easy external adjustments.

Industrial Pressure Switch for Harsh Environments with 2 Outputs

The PSW-370 series are 15 A SPDT switches with a fixed deadband and dual outputs that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.

OEM Mechanical Pressure Switch for Low Pressure and Vacuum

The PSW-681 series are compact, economical SPST switches with a fixed deadband for extremely low pressure and vacuum ranges.

Adjustable Flow Switches for Oils & Gases, 0.5-20 GPM, Piston Design

The Series AFS Adjustable Flow Switches feature piston design for oils, liquids, and gases. Easily set flow rates from 0.5 to 20 GPM for reliable control and protection.

Weatherproof Explosion-Proof Pressure Switches, 3000 psi, 5% Deadband

Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction.

Explosion-Proof Diaphragm Pressure Switch, UL Listed, Durable for Industrial Use

The Series 1000E Explosion-Proof Diaphragm Pressure Switch is UL listed and designed for industrial use, featuring a durable, weatherproof housing for reliable performance.

Weatherproof Diaphragm Pressure Switch for Chemical & Industrial Use

The Weatherproof Diaphragm Pressure Switch is designed for chemical and industrial use, featuring rugged construction and reliable performance in harsh environments.

Economical OEM Mechanical Pressure Switch

The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.

Dual-Action Explosion-Proof Pressure Switch, UL/CSA Listed, Adjustable

The Dual-Action Explosion-Proof Pressure Switch is UL/CSA listed, designed for harsh environments, and features adjustable settings for independent operation.

Industrial Hermetic Pressure Switch for Harsh Environments

The PSW-200 series are hermetically sealed SPDT and DPDT switches that are UL listed and cUL certified with a NEMA-4X housing for harsh environments.

General Purpose Industrial Pressure Switch with 2 Outputs

The PSW-850 series are 15 A SPDT switches with a fixed deadband and two or three outputs for general purpose applications.

Heavy Duty Industrial NEMA-9 Pressure Switch

The PSW-400 series are SPDT switches with an adjustable deadband and have NEMA-7 and NEMA-9 housings to withstand harsh environments.

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Pressure Switches

Pressure Switches provide electrical switching when pressure reaches an adjusted or fixed setpoint. Products in this category span Omega Engineering and Dwyer Instruments industrial switches, digital miniature switches with displays, vibration-resistant switches for hazardous locations, OEM mechanical switches, hermetic and NEMA 4X switches, heavy-duty NEMA 7 and NEMA 9 switches, steam-cleaner switches, and compact high-sensitivity models.

Applications include:

  • Pump, compressor, and hydraulic pressure control
  • Industrial high or low pressure alarms
  • OEM equipment and compact machine protection
  • Hazardous, harsh, vibrating, or high-current applications when supported by the selected switch

Choose by setpoint range, deadband, contact rating, pressure media, diaphragm or seal material, enclosure, approvals, and reset behavior.

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