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.

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

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

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

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

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.

Our smallest pressure-regulating valve.

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

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

These valves have a brass body.

The most basic option for air and inert gas applications.

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

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.

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.

Protect against excess vacuum.

Extend your reach in hard-to-access areas—turn these valves on and off using a square ratchet to grasp the hole at the end of the handle. Use with water, oil, air, and inert gas.

An easy-to-read flow-indicating handle shows the percentage the valve is open. These valves are for use with water, oil, inert gas, and steam.

A built-in strainer traps debris and allows you to replace the screen without disconnecting your pipeline.

Install these low-profile valves in tight spots. Use with water, oil, air, and inert gas.

These valves are rated for at least three times the pressure of standard threaded valves. Use with water, oil, air, inert gas, and steam.

Open and close these valves with the flip of the toggle switch. They’re often used for equipment testing and gas sampling. All have threads and a hex nut below the handle for installation in instrument panels. Use with water, oil, air, and inert gas.

For fast installation and removal from pipelines, these valves have a union fitting that disassembles into multiple pieces. They’re for use with water, oil, air, inert gas, and steam.

Use these valves with water, air, and inert gas.

Install these low-profile valves in tight spots. They are for use with water, oil, air, and inert gas.

Also known as wafer ball valves, these combine the slim body of a butterfly valve with the high flow rates of a flanged ball valve. They bolt to ANSI flanges. Use with water, oil, air, inert gas, and steam.

Metal provides more durability than plastic. These valves have barbed fittings that grip onto tubing for a secure hold. Use them with water and air.

For extra gripping power and a strong seal, the Yor-Lok fittings on these valves have two sleeves that bite into tubing as you tighten the nut. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings. These valves are for use with water, oil, air, and inert gas.

Flip the toggle to quickly turn these valves on and off. All have threads and a hex nut below the handle for installation in instrument panels. For extra gripping power and a strong seal, they have Yor-Lok fittings with two sleeves that bite into tubing as you tighten the nut. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings. These valves are for use with water, oil, air, and inert gas.

Clean and maintain these valves without removing welded connections. They have a three-piece bolted body that disassembles inline for easy access to internal components. Use with water, oil, air, inert gas, and steam.

Solder these valves to metal tubing for a permanent, leak-tight connection. Use with water, oil, air, inert gas, and steam.

Weld these valves to unthreaded metal pipe for a permanent, flush connection that permits smooth flow through a line. Use with water, oil, inert gas, and steam.

Use these plastic valves for a lightweight and economical alternative to metal. They have a compression sleeve that bites into tubing as you tighten the nut, forming a strong seal. Use with water, air, and inert gas.

Attach gauges or sensors to these valves so you can remove them for maintenance and calibration without depressurizing your line. They are also known as block and bleed valves.

Barbs grip onto tubing, providing a secure hold. To withstand aggressive and corrosive solutions in chemical-processing applications, these valves have a plastic body and a chemical-resistant seal.

For extra gripping power and a strong seal, these valves have Yor-Lok fittings with two sleeves that bite into tubing as you tighten the nut. They are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings. All have a PTFE seal and a corrosion-resistant Monel body that can stand up to aggressive and corrosive solutions in chemical-processing applications.

Designed for use in refineries and other demanding environments, these durable valves have a forged steel body that can withstand at least twice the pressure of other threaded valves.

These valves have a sharp gate that slices through thick slurries, wastewater, dry bulk solids, and other materials that would clog other gradual on/off valves.

These top-of-the-line valves are comparable to Asco Red Hat 8210G Series and Parker Gold Ring 23C Series.

Insert tubing into the fittings on these valves—no heat, solder, or flux required.

Comparable to Asco Red Hat 8210G Series and Parker Gold Ring 23C Series, these valves meet the highest quality standards.

These valves are rated for use in hazardous locations with flammable gas and combustible dust.

Designed for controlling single-acting, spring-return air cylinders, these valves have a third threaded port to exhaust media.

Less than half the height of standard severe-duty valves, these fit in small spaces and low-clearance pipelines.

For use in general purpose applications with water, oil, and inert gas.

About half the height of our other versa-mount valves, these fit in tight spots.

Also known as butterfly valves.

Use air pressure to automatically control the flow of liquids in sanitary environments, such as food and beverage processing plants.

With a slimmer motor than other motor-driven valves, these fit in tight spots.

Their ball valve design allows these valves to handle three times the flow of butterfly valves.

For three times the flow of butterfly valves, these have a ball valve design.

Use these valves with water, oil, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Often used in hydraulic and compressed air systems, these valves can withstand at least 6,000 psi. They’re for use with water, oil, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Also known as block and bleed valves, these have two vent ports to isolate pressure gauges, switches, and other components in high-pressure systems for maintenance, calibration, and sampling without interrupting the process. They are rated for up to 10,000 psi. Use with water, oil, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

To ensure highly precise flow adjustment, these valves adjust flow in smaller increments than other valves for finer control over the flow rate in metering and sampling applications. Use them with water, oil, air, and inert gas.

Also known as block and bleed valves, these have a vent port that allows you to remove instrumentation equipment attached to the valve without depressurizing your line. Turn the handle to shut off flow and remove the vent port plug to drain liquid trapped in the valve. Use them with water, oil, air, and inert gas. These valves adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Insert tubing into the fittings on these valves—no heat, solder, or flux required. They’re for use with water, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Barbs grip onto tubing, providing a secure hold. These valves are for use with water, oil, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Solder these valves to tubing for a permanent, leak-tight connection. Use them with water, oil, air, and inert gas. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

For extra gripping power and a strong seal, these valves have Yor-Lok fittings with two sleeves that bite into tubing as you tighten the nut. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings. The 316 stainless steel body and seal, the PTFE seat and packing, and the Monel needle can withstand aggressive and corrosive solutions in chemical-processing applications. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Also known as whistle valves, these open and throttle as force is applied to the lever and automatically close upon release. They’re commonly used for spraying, washing, and other applications that require manual discharge of liquid and air. Use with water, oil, air, and inert gas.

Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection. These valves are for use with water, oil, air, inert gas, and steam. They gradually open and close to adjust and regulate flow.

Metal provides more durability than plastic. With seats that can stand up to aggressive and corrosive solutions, these valves are often used in chemical-processing applications. They bolt to flanges to adjust and regulate flow in flanged pipelines.

Also known as proportional V-ball valves, these have a motor that adjusts and regulates flow in applications with higher flow rates and pressures than solenoid valves. As you increase the intensity of the electrical signal, the motor opens the valve, moving a ball with a V-cut opening that proportionately allows more flow as the valve opens. They're often integrated into PLC systems for automatic control over the valve position based on system conditions.

Rated for up to twice the pressure of standard check valves, these can withstand pressures up to 3,000 psi.

The heat-resistant rubber seal withstands temperatures up to 500° F.

Plastic provides a lightweight alternative to metal.

Two sleeves give the fittings extra gripping power. They bite into tubing as you tighten the nut to form a strong seal. All are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.

Less than half the end-to-end length of standard flange-mount check valves, these can be installed in pipelines with limited clearance.

For more durability than plastic barbed check valves, these have a stainless steel body.

Weld to unthreaded metal pipe.

Barbs grip onto tubing, providing a secure hold.

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

Threads and a hex nut below the handle let you install these valves through instrument panels. They are for use with water, oil, air, and inert gas. All divert flow between ports.

Also known as shuttle valves, these automatically switch the inlet source as pressure changes; they always direct flow from the higher-pressure side-port inlet to the top-port outlet. Use them with water, oil, air, and inert gas.

For a lightweight alternative to metal valves, these have a plastic body. To fit in tight spots, they have a low-profile handle and a short end-to-end length. Valves are for use with water, oil, air, and inert gas. All divert flow between ports.

Insert tubing into the fittings on these valves—no heat, solder, or flux required. All are for use with water, oil, air, and inert gas. They divert flow between ports in tubing lines.

Bolt these valves to flanges to divert flow between ports in flanged pipelines. They’re for use with water, oil, air, and inert gas.

Barbed fittings on these valves grip onto tubing, providing a secure hold. To divert flow between ports in chemical-processing applications, they have a chemical-resistant seal and a PVDF body to withstand aggressive and corrosive solutions.