Maintain the air pressure needed for air-powered devices. These switches turn your electric air compressor off when it reaches the set pressure and on when it reaches the reset pressure.

Kick off automated controls, signal alarms, or activate equipment based on pressure changes while checking the pressure, setpoint, and reset point on the display.

Compatible with most air systems, these switches send digital signals to a programmable logic controller (PLC) to trigger separate processes when they reach either of their two set pressures. For example, they’ll activate a compressor if the pressure is too low or a relief valve if the pressure is too high.

Send two digital signals to your programmable logic controller (PLC) to trigger different processes—these switches activate at two set pressures.

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

Choose when these switches reset to control the pressure range between when they activate and deactivate, commonly referred to as deadband and differential.

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.

Like other 3-A certified sanitary pressure switches, these switches trigger controls and alarms when food-processing, pharmaceutical, and biotech lines reach a set pressure, but they also have a sanitary adjustable setpoint ring that you twist to make quick changes.

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.

The traditional vacuum switch. When these switches reach a set vacuum, they power equipment, signal controls, or trigger alarms.

Trigger two different processes in vacuum applications by sending signals to a programmable logic controller (PLC) when these switches reach one of their two set vacuums. They’re designed specifically for air systems.

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.

When these 3-A certified switches reach a set pressure or vacuum, they trigger controls and alarms in food-processing, pharmaceutical, and biotech lines.

Often used with ovens, dryers, and HVAC systems, these switches detect small differences in pressure.

These switches are rated NEMA 4 for protection from dirt and washdowns.

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.

Often used in wet conditions and harsh environments, these valves have a 316 stainless steel body for excellent corrosion resistance.

Excellent performance at low pressures.

Hook up these valves to equipment with garden hose thread (GHT) connections.

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

Change outlet pressure without using a gauge—turn the dial to adjust the outlet pressure in 5 or 10 psi increments.

For extremely high-pressure applications in tight spots, these valves handle the same inlet pressures as other ultra-high-pressure-regulating valves within a smaller footprint.

A 316 stainless steel body provides exceptional corrosion resistance in wet conditions and harsh environments.

Withstand inlet pressures up to 3,500 psi.

Regulate pressure in air and inert gas systems from your instrument panel—these valves have threads below the adjustment knob and come with a panel-mount nut.

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

These valves automatically reduce a high inlet pressure from compressed gas tanks to a lower, stable outlet pressure.

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

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.

Body is cast iron.

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

For a longer service life than standard valves for cryogenic liquids, these have a durable bronze body. They’re for use with liquid argon, liquid carbon dioxide, liquid nitrogen, and liquid oxygen.

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.

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.

Valves have NPT connections.

Designed to reduce contaminants in high-purity applications using hydrogen and methane gas, these valves have a 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.

Install these valves directly in gas distribution pipelines.

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

Use these valves in pipelines.

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

A lighter and more corrosion-resistant alternative to metal vacuum-regulating valves.

For a longer service life than brass vacuum-regulating valves, these are made of bronze for strength and durability.

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

These valves are commonly used with pumps in low-pressure water systems.

Change set pressure without guesswork—the adjustment screw is marked in 25 psi increments for making pressure adjustments without a gauge.

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

With a three-port design, these valves allow inline flow from the inlet to the outlet during normal conditions and divert flow through the relief port in overpressure conditions. They are often used with feed pumps for fertilizers and bleach.

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.

Body is brass or nickel-plated brass. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Attach a pressure gauge to the 1/4 NPT female port on these valves.

The most basic option for air and inert gas applications.

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.

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. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

These valves meet ASME Code Section VIII for use with water pressure vessels.

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.

Also known as T & P valves, these open when water temperature reaches 210° F or at the set pressure.

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

Remotely track your system's pressure readings from the convenience of a smartphone or tablet. Good for preventative maintenance and route-based monitoring, these battery-powered transmitters use Bluetooth to alert you when equipment requires your attention.

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

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

Fine-tune the pressure range on these transmitters to account for changes in pressure readings over time.

The diaphragm on these transmitters mounts flush with your system’s connection, leaving no room for thick liquids to clog or harden. They’re often used to monitor pressure in wastewater, paint, and adhesive-dispensing applications.

With a pressure range common to most compressed air systems, use these transmitters to monitor your system's air pressure.

With an accuracy of ±0.25%, use these transmitters in applications that require highly accurate measurement of both pressure and vacuum, such as activating vacuum pumps.

Monitor your system’s pressure and vacuum from a smartphone or tablet via Bluetooth. These battery-powered transmitters send alerts if equipment requires your attention, so they’re good for preventative maintenance and route-based monitoring.

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

Measure the difference in pressure between two points in flow applications, such as heating, cooling, and pumping systems.

For use in hazardous locations, these transmitters safely measure the difference in pressure between two process lines in flow applications—such as heat exchangers, chillers, and pumps. They meet NEC safety standards, so they protect against an explosion where flammable gases and vapors are present.

At least four times as accurate as standard vacuum transmitters, these transmitters sense vacuum at an accuracy of ±0.25%, making them ideal for use in laboratories and in analytical testing applications.

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

Keep an eye on the output pressure in high-flow applications—these regulators have a display so you can monitor your application locally.

View and control output pressure remotely and at the source.

A pressure-calibrated dial allows for easy adjustments to outlet pressure in high-flow applications.

Fit these regulators in tight spaces to adjust and maintain air pressure 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.

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.

An internal check valve permits reverse flow, so these regulators work with double-acting cylinders.

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.

Use these regulators to adjust and maintain the pressure of your tubing air lines.

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.

Create a high-flow air stream from your compressed air supply. Flow boosters draw in ambient air, which amplifies compressed air flow.

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

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

With ±0.2 psi accuracy, these filter/regulators provide more precise control than our other compressed air filter/regulators.

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

A clear polyurethane bowl makes these filter/regulators chemical resistant for use with synthetic compressor oils and cleaning fluids and allows you to see inside to monitor contents.

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

A stainless steel housing and bowl allow these filter/regulators to withstand corrosive environments in the semiconductor, marine, chemical, instrumentation, and paper industries.

Prevent accidental start-up when servicing equipment.

Prevent accidental start-up when servicing equipment.

Prevent accidental start-up when servicing equipment.