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.

Prevent changes to your pressure setting—these valves come set at a nonadjustable outlet pressure.

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

Valves have a brass body.

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

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.

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.

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

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.

For applications that require intermittent operation, such as spraying and washing, push or pull the lever on these valves to start flow. They spring closed when the lever is released.

For installation through thick insulation, these valves have an extra-long stem. They’re for use with water, oil, air, inert gas, and steam.

These valves can handle at least twice the pressure of other compact valves. Install them 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.

These valves have union fittings that disassemble for fast installation and removal from pipelines. Use with water, air, and inert gas.

Use these valves with garden hose and other landscaping equipment. They’re for use with water, air, and inert gas.

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

Plastic provides a lightweight and economical alternative to metal. All valves have barbs that grip onto tubing for a secure hold. They’re for use with water, oil, air, and inert gas.

Often used for oxygen service and other high-purity applications, these valves come cleaned and bagged. Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection. For easy maintenance, they have a three-piece bolted body that disassembles inline so you can access internal components without removing welded connections.

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.

For a leak-tight connection that doesn’t require heat or soldering, these valves have press-connect fittings that crimp to metal tubing with a press-connect crimping tool.

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.

Service these valves without cutting soldered connections. The three-piece bolted body can be disassembled inline for easy access to internal components. Use with water, oil, inert gas, and steam.

Also known as luer-lock couplings, quick-turn fittings consist of a plug and a socket that connect with a half turn, so you can easily connect and disconnect your line. Use these valves with water and oil.

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 316 stainless steel 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.

With a forged steel body and bolted construction, these durable valves can withstand nearly 10 times the pressure of other socket-weld gradual on/off valves.

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

Lower profile and available in smaller connection sizes than standard valves, these fit in tight spots.

Less than half the size of our other compact valves, these have small pipe connections for miniature lines.

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.

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

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

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

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

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

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

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.

Designed for high-pressure instrumentation applications, these valves are rated for up to 10,000 psi and have a hex nut and threads below the handle for panel mounting. 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.

With a gauge port on each side of these valves, you can install two different pieces of instrumentation equipment to simultaneously monitor multiple media properties without interrupting flow. 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.

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.

With a low-profile body and a narrow port-to-port length, these valves fit in tight spots. 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.

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. 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.

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.

To achieve the maximum possible flow, internal components are designed to reduce flow resistance.

Plastic provides a lightweight alternative to metal.

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

Sandwich these valves between two ANSI flanges for backflow prevention at a fraction of the weight of flanged check valves and a reduced pipeline footprint.

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

To reduce installation time and allow for maintenance without detaching pipe connections, these valves insert into a union fitting.

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.

A metal body provides more strength and durability than plastic. These valves have a low-profile handle and a short end-to-end length to fit in tight spots. All are for use with water, oil, air, and inert gas. They divert flow between ports.

These valves divert flow between ports. Use with water, oil, air, and inert gas.