Activate or deactivate your electric water pump based on water pressure. These switches turn your pump off when pressure increases to the set pressure and on when pressure drops to the reset pressure.

With a set pressure range that works for most air systems, these switches send signals when your air system reaches a set pressure to your programmable logic controller (PLC) to activate automated controls and alarms.

When these switches reach either of their two set pressures—both of which can be controlled from a display—they send digital signals to your programmable logic controller (PLC) to activate automated controls or alarms.

With multiple ports, these switches maintain the air pressure of your electric air compressor, while also including ports for up to three air-powered devices, reducing the complexity of your air system setup.

With a round body that’s at least one-third thinner than traditional pressure switches, these fit in tight, cramped spaces.

Prevent changes to the set pressure that activates equipment—these switches come ready to use at your preferred setpoint.

Used as a safety control, these switches must be manually reset each time they hit the set pressure, so you can inspect equipment before it restarts.

Cleaned to ASTM G93 requirements and then bagged, these switches meet the strict cleaning standards required for oxygen service lines.

Built with an explosion-proof enclosure to meet NEMA 7 and 9 standards for hazardous locations, these switches were tested and verified by UL and CSA for use where explosive liquids, dust, and gas are present.

With two setpoints and outputs, these switches trigger different actions in your system by sending signals to a programmable logic controller (PLC) when they reach one of their set pressures or vacuums.

Designed specifically for air systems, these switches send signals to your programmable logic controller (PLC) to activate controls or alarms when your system reaches a set pressure or vacuum.

Choose these switches when you need reliable switching but not high accuracy.

Specifically made for air systems, these switches send signals to your programmable logic controller (PLC) to trigger processes when they reach a set vacuum.

Often built into pumps and hydraulic systems with limited space, these compact switches power equipment, activate controls, and signal alarms when they reach a set vacuum.

Often used with ovens, dryers, and HVAC systems, these switches detect small differences in air pressure to indicate a filter is clogged or help you maintain a certain air pressure.

To check the difference in pressure between two points, these switches have a dial indicator that shows differential pressure in real time.

Detect the difference in pressure between two points. For instance, these switches can indicate a filter is clogged in a pump or cooling system.

Often used on dispensers, humidifiers, and fountains, these valves have a 316 stainless steel body that can stand up to deionized water and corrosive conditions.

Valves have a brass body and NPT connections.

These valves automatically reduce a high, variable inlet pressure to a lower, stable outlet pressure.

To maintain contaminant-free standards in clean room environments, these valves come cleaned and bagged to Fed. Std. Class 100 and ISO Class 5 clean room standards and have a 316 stainless steel body with a smooth finish to resist dust collection.

Thicker walls and a 304 stainless steel seal make these valves tougher than brass pressure-regulating valves.

Use this valve in light duty water systems with garden hose thread (GHT) connections.

Excellent performance at low pressures.

Rated for more than double the temperature of standard pressure-regulating valves, these can withstand temperatures up to 550° F.

Often used for oxygen service and other high-purity applications, these valves are cleaned and bagged to meet CGA G-4.1 standards to prevent contamination.

Withstand inlet pressures up to 3,500 psi.

Valves have a brass body.

Our smallest pressure-regulating valve.

Commonly used for oxygen service and other high-purity applications, these valves come cleaned and bagged to prevent contamination.

Often used for pressure-vessel testing and other high-pressure applications, these valves can handle at least seven times the outlet pressure of standard tank-mount pressure-regulating valves.

Reduce contaminants in gases used in research sample systems, emission monitoring systems, chromatography, and other high-purity applications. These valves have a 316 stainless steel and brass body with a smooth finish to reduce dust collection and internal components designed to protect the seal and diaphragm from contamination.

Flowmeters let you see the gas flow rate from a distance.

Valves have NPT connections.

Control steam line pressure with ±1 psi accuracy.

For a longer service life than cast iron valves, these have a durable bronze body.

It's like getting four regulators in one—each comes with four springs so you can change between regulating pressure ranges of 2-30, 10-50, 30-90, and 100-180 psi.

Regulate air, gas, and liquid pressure on food, beverage, and pharmaceutical lines with these valves—they’re 3-A certified to meet sanitary design standards.

Install these valves directly in gas distribution pipelines.

These valves meet NSF/ANSI 61 for use in drinking water systems.

For use with acetylene, hydrogen, methane, propane, or propylene gas.

Threads below the adjustment knob and an included panel-mount nut allow you to add these valves to your instrument panel.

Designed to meet 3-A sanitary standards, these valves regulate liquid, gas, and air pressure in hygienic zones of food and beverage plants.

For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV.

Change set pressure to suit your application—this valve includes four interchangeable color-coded springs with different set pressure ranges.

For corrosion resistance in wet conditions and harsh environments, these valves have a 303 stainless steel body. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Choose these valves for small steam-heating boilers requiring pressure relief between 5 psi and 12 psi.

Commonly used with high-volume blowers, compressors, and air-powered conveyors, these valves quickly relieve a large amount of air in systems with a pipe size of 2 or greater.

With a 316 stainless steel body for exceptional corrosion resistance, these valves are often used in wet conditions and harsh environments. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Our only valves that meet ASME Code Section VIII for use with cryogenic pressure vessels. They are for use with argon, carbon dioxide, helium, hydrogen, methane, nitrogen, and oxygen.

Protect your water-heating system with these valves that meet ASME Code Section IV for hot water heaters and boilers.

Design a valve specifically for your process media and set pressure. Choose from a valve for air, inert gas, water, hydraulic oil, fuel oil, gasoline, or diesel fuel and a set pressure.

Less than a quarter of the height of standard pressure-relief valves, these are often installed on tanks in low-clearance areas.

These valves are often used with catalysts, pH buffers, and electroplating solutions.

For a low-pressure seal around plastic and soft metal tubing, these valves have push-to-connect fittings.

These valves are often used in hydraulic and lubrication systems.

Cleaned and bagged for oxygen service and other high-purity applications, these valves are built to withstand the extreme cold of liquid carbon dioxide, liquid nitrogen, and liquid oxygen.

Regulate vacuum levels from your instrument panel with these valves that have threads below the adjustment handle and a panel-mount nut.

For precise control over your vacuum level, these valves have ±0.1% accuracy.

Remotely monitor pressure in general purpose applications such as pumping and compressing systems.

Read pressure directly at the source and send data remotely with one device.

Adhere to safety standards and monitor pressure when working with high concentrations of oxygen.

Measure your equipment’s pressure and send the data directly to a development board or single-board computer. Also known as transducers, these transmitters convert pressure into an electrical I²C signal and transmit it to your board.

For use in sanitary applications such as food processing, these transmitters are 3-A certified.

These transmitters automatically compensate for error introduced by vibration as well as temperature fluctuations, so you do not need to program your receiving device to correct for these factors. They convert pressure to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.

FM approved and CSA certified for use in hazardous locations, these transmitters monitor pressure where combustible fumes may be present.

With a digital display and selectable differential pressure ranges, these transmitters are a versatile alternative to transmitters with dial indicators.

Get the flexibility of a differential pressure transmitter and a switch in one. These transmitters can work as a traditional transmitter using an analog output but also have electronic switch outputs and IO Link compatibility, making them great for advanced automation applications.

At least twice as accurate as standard transmitters, these transmitters sense differential pressure at an accuracy of ±0.25%.

Used with pumps, cooling systems, and other liquid applications, these transmitters remotely measure the difference in pressure between two inputs.

These transmitters automatically compensate for error introduced into both pressure and vacuum measurements by vibrations as well as temperature fluctuations, so you do not need to program corrections for these factors into your receiving device. They convert pressure and vacuum to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.

Convert both pressure and vacuum into an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment.

Monitor and control vacuum pumps, air compressors, and hydraulics while viewing readings and warnings on the display.

Account for changes in vacuum readings over time by fine-tuning the vacuum range on these transmitters.

Convert vacuum into an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor vacuum or control equipment.

Designed for control applications that require high reliability and repeatability, these regulators translate electrical signals to output pressure.

View and control output pressure remotely and at the source.

At ±0.1% accuracy, use these regulators in sensitive applications where constant, consistent pressure is important.

Mount these regulators to a 35 mm DIN rail or a wall with one of the two included brackets.

Fit these regulators in tight spaces to adjust and maintain air pressure in sensitive applications where constant, consistent pressure is important.

Adjust and maintain the pressure of your compressed air.

Adjust and maintain the pressure of your compressed air.

Adjust and maintain the pressure of your compressed air.

Adjust and maintain the pressure of your compressed air.

Cleaned and double bagged in an ISO Class 3 and Fed. Spec. Class 1 clean room for protection from contamination, these regulators are suitable for use in clean rooms.

Mount these regulators to a 35 mm DIN rail with the included brackets.

No need to worry about unintentional changes to your pressure setting—these regulators maintain a fixed outlet pressure.

A 316 stainless steel housing allows these regulators to withstand corrosive environments in the semiconductor, marine, chemical, instrumentation, and paper industries.

Connect two or more of these manifold regulators to meet multiple pressure requirements from a single air supply—set a different output pressure with each regulator.

Use a single air supply to meet the pressure requirements of multiple applications—connect one of these manifolds to your air line, and then set a different output pressure for each station.

Also known as Monday-morning valves, these valves slowly introduce pressure to reduce surge damage during start-up.

Use a single air supply to distribute air to up to four locations. In addition to the outlet for inline connection, these manifolds have three 1/4 NPT female outlets for connection to air-powered tools and equipment.

No need for thread adapters—these filter/regulators have an NPT inlet and a BSPP outlet.

Mount these filter/regulators to a 35 mm DIN rail with the included brackets.

A filter and regulator joined top-to-bottom, these filter/regulators fit in the same space as a filter alone.

A filter and regulator joined top-to-bottom, these filter/regulators fit in the same space as a filter alone.

A filter and regulator joined top-to-bottom, these filter/regulators fit in the same space as a filter alone.

A filter and regulator joined top-to-bottom, these filter/regulators fit in the same space as a filter alone.