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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.
Use this valve in light duty water systems with garden hose thread (GHT) connections.
For a longer service life than brass and cast iron valves, these have a durable bronze body.
Often used in wet conditions and harsh environments, these valves have a 316 stainless steel body for excellent corrosion resistance.
A cast iron body absorbs vibration from pressure changes to reduce wear and noise in your pipeline.
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.
Change outlet pressure without using a gauge—turn the dial to adjust the outlet pressure in 5 or 10 psi increments.
Prevent changes to your pressure setting—these valves come set at a nonadjustable outlet pressure.
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.
Hook up these valves to equipment with garden hose thread (GHT) connections.
Valves have a brass body and NPT connections.
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.
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.
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.
Withstand inlet pressures up to 3,500 psi.
A 316 stainless steel body provides exceptional corrosion resistance in wet conditions and harsh environments.
Valves have a brass body.
Our smallest pressure-regulating valve.
For easy panel mounting in your water system, these valves have threads below the adjustment knob and come with a panel-mount nut.
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.
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.
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.
Commonly used in TIG welding where gas flow/coverage is a concern.
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.
Designed for nitrogen gas purging in air conditioning, refrigeration, and plumbing systems.
Push-to-connect fittings form a low-pressure seal around plastic or soft metal tubing.
Compression fittings bite down on hard metal and plastic tubing for a tighter seal than push-to-connect fittings.
Valves have NPT connections.
These valves meet NSF/ANSI 61 for use in drinking water systems.
Body is cast iron.
For a longer service life than cast iron valves, these have a durable bronze body.
Control steam line pressure with ±1 psi accuracy.
Install these valves directly in gas distribution pipelines.
For use with acetylene, hydrogen, methane, propane, or propylene gas.
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.
A plastic body and fluoroelastomer seal stand up to harsh chemicals.
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.
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.
Choose from valves for liquid argon, liquid nitrogen, liquid carbon dioxide, or liquid oxygen tanks.
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.
For a longer service than cast iron valves, these have a durable bronze body and a 303 stainless steel seal.
These valves have a cast iron body.
Use these valves in pipelines.
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.
Alter the set pressure to suit your application.
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.
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.
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.
A finely threaded adjustment screw lets you make precise set pressure adjustments.
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.
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 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.
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.
Body is brass or nickel-plated brass. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.
The most basic option for air and inert gas applications.
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.
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.
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.
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.
For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV.
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.
Also known as T & P valves, these open when water temperature reaches 210° F or at the set pressure.
Protect your water-heating system with these valves that meet ASME Code Section IV for hot water heaters and boilers.
Use these valves with liquid argon, liquid nitrogen, and liquid oxygen.
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.
Install these discs within the bolt circle of ANSI Class 150 flanges.
Also known as fusible plugs, these discs have a metal core that melts at a set temperature to exhaust discharge directly.
These valves have a vented relief port to exhaust discharge directly.
Instead of exhausting discharge directly, these discs have a threaded relief port for attaching a drain line to direct discharge away from your work environment.
For precise control over your vacuum level, these valves have ±0.1% accuracy.
Regulate vacuum levels from your instrument panel with these valves that have threads below the adjustment handle and a panel-mount nut.
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.
These valves have a brass body.
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.
Cleaned to ASTM G93 requirements and then bagged, these switches meet the strict cleaning standards required for oxygen service lines.
When these switches reach a set pressure, they send electronic signals to your programmable logic controller (PLC) to activate automated controls or 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.
Prevent changes to the set pressure that activates equipment—these switches come ready to use at your preferred setpoint.
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.
With a round body that’s at least one-third thinner than traditional pressure switches, these fit in tight, cramped spaces.
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.
The traditional pressure switch. These power equipment, activate controls or alarms, or kick-off other actions when they reach a set pressure.
Built with an explosionproof 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.
Trigger two different automated processes, each with their own set pressure.
Choose when these switches reset to control the pressure range between when they activate and deactivate, commonly referred to as deadband and differential.
Use these switches for applications that need reliable switching but don’t require high accuracy.
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.
Kick off automated controls, signal alarms, or activate equipment based on pressure changes while checking the pressure, setpoint, and reset point on the display.
Send two digital signals to your programmable logic controller (PLC) to trigger different processes—these switches activate at two set pressures.
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.
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.
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 3-A certified switches reach a set pressure or vacuum, they trigger controls and alarms in food-processing, pharmaceutical, and biotech lines.
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.
A lower profile than our other compressed air regulators makes these regulators a better fit in tight spots.
No need to worry about unintentional changes to your pressure setting—these regulators maintain a fixed outlet pressure.
Designed for installation directly to your air-powered tool, these regulators maintain the set air pressure.
An internal check valve permits reverse flow, so these regulators work with double-acting cylinders.
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.
Mount these regulators to a 35 mm DIN rail with the included brackets.
Prevent unauthorized adjustment and unintentional pressure changes with these regulators.
Fit these regulators in tight spaces to adjust and maintain air pressure in sensitive applications where constant, consistent pressure is important.
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.
At ±0.1% accuracy, use these regulators in sensitive applications where constant, consistent pressure is important.
A pressure-calibrated dial allows for easy adjustments to outlet pressure in high-flow applications.
A 316 stainless steel housing provides superior corrosion resistance and meets NACE (National Association of Corrosion Engineers) material requirement MR-01-75.
Mount these regulators to a 35 mm DIN rail with the included bracket.
View and control output pressure remotely and at the source.
Designed for control applications that require high reliability and repeatability, these regulators translate electrical signals to output pressure.
Keep an eye on the output pressure in high-flow applications—these regulators have a display so you can monitor your application locally.
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.
Run up to four air-powered tools from a single air supply.
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.
Also known as Monday-morning valves, these valves slowly introduce pressure to reduce surge damage during start-up.
No need for thread adapters—these filter/regulators have an NPT inlet and a BSPP outlet.
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 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.
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.
Assembled, inspected, and packaged in a clean environment, these filter/regulators come sealed in antistatic double bags.
A stainless steel housing and bowl allow these filter/regulators to withstand corrosive environments in the semiconductor, marine, chemical, instrumentation, and paper industries.
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.
An oil filter and regulator joined top-to-bottom, these filter/regulators fit in the same space as a filter alone.
Two-stage filtration is like getting two filters in one—the first stage removes large particles, while the second removes fine particles.
No need for thread adapters—these filter/regulator/lubricators have an NPT inlet and a BSPP outlet.
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.
With one outlet port before the lubricator and one after, these filter/regulator/lubricators work in systems that require lubrication in some lines but not in others.
An ARO filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.
An SMC filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.
A filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.
A Norgren 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.
A Festo 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.
An ASCO Numatics filter, regulator, and lubricator are combined to provide clean, lubricated compressed air at your required pressure.
Prevent accidental start-up when servicing equipment.
When input pressure varies, use these valves to maintain a consistent pressure.
An external nut lets you adjust the pressure without disassembling the valve.
The pressure setting on these valves cannot be adjusted while they are installed.
To set the pressure, unscrew the cap and turn the adjusting screw.
Set a specific pressure and these valves will maintain it.
These valves maintain a consistent pressure in a system when input pressure varies.
Set a specific pressure and these valves will maintain it by diverting excess fluid to a tank.
Since these switches activate on increasing pressure caused by rising water levels, they have no floats to catch on sump pit walls.