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

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

A cast iron body absorbs vibration from pressure changes to reduce wear and noise in your pipeline.

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

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.

Excellent performance at low pressures.

Withstand more than six times the inlet pressure of standard pressure-regulating valves.

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.

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

Withstand inlet pressures up to 3,500 psi.

For easy panel mounting in your water system, these valves have threads below the adjustment knob and come with a panel-mount nut.

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

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

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.

Commonly used in TIG welding where gas flow/coverage is a concern.

Valves have NPT connections.

Compression fittings bite down on hard metal and plastic tubing for a tighter seal than push-to-connect fittings.

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

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

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

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

Designed for oxygen service and other high-purity applications, these valves can withstand the extreme cold of liquid argon, liquid carbon dioxide, liquid nitrogen, and liquid oxygen.

A plastic body and fluoroelastomer seal stand up to harsh chemicals.

Use these valves in pipelines.

For a longer service than cast iron valves, these have a durable bronze body and a 303 stainless steel seal.

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

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.

These valves have a bronze body for durability and a long service life. All meet ASME Code Section VIII for use with air and inert gas 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.

These valves meet ASME Code Section I for use with steam power boilers requiring pressure relief above 15 psi.

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

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.

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

Alter the set pressure to suit your application.

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

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

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.

To gradually relieve pressure in lines for diesel fuel, fuel oil, gasoline, and kerosene, these valves begin opening at the set pressure and fully open at about 10% over the set pressure.

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.

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

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

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.

A lower profile than our other compressed air regulators makes these regulators a better fit in tight spots.

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

Designed for installation directly to your air-powered tool, these regulators maintain the set air pressure.

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

With a greater flow capacity than our standard precision compressed air regulators, use these regulators to adjust and maintain air pressure in sensitive high-flow 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.

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

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

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

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.

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.

These filter/regulator combinations come as one convenient unit that cleans the air as it regulates pressure.

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.

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

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

An SMC filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.

A Wilkerson filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.

A Parker filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.

An ARO filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.

A filter, regulator, and lubricator with push-to-connect fittings are combined to provide clean, lubricated compressed air at your required pressure. Fittings make a tight seal around tubing.

Prevent accidental start-up when servicing equipment.

Prevent accidental start-up when servicing equipment.

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

Replace the filter element in your SMC modular compressed air filter to trap solid particles and water droplets as small as 5 microns.

When input pressure varies, use these valves to maintain a consistent pressure.

An external nut lets you adjust the pressure without disassembling the valve.

Set a specific pressure and these valves will maintain it.

A plastic body withstands pH neutralizing, cleaning, and plating solutions containing sodium hydroxide, methyl ethyl ketone, and other harsh chemicals.

Rated for 12 times the pressure of standard vacuum-breaking valves, these can handle up to 1,500 psi. Connections are NPT.

Integral shutoff valves isolate flow for inline maintenance, and a top-entry cover provides easy access to internal components.

Attach these valves with NPT connections to threaded pipe.

Stop backward flow in outdoor faucets with garden hose thread (GHT) outlets.