Use these valves for boiler maintenance and other low-pressure plumbing applications. They're for use with water. All gradually open and close to adjust and regulate flow.

For lightweight and corrosion-resistant alternative to metal, these valves are plastic. Attach garden hose to the valve outlet. Use with water. These valves gradually open and close to adjust and regulate flow.

Rated for twice the pressure of other threaded flow-adjustment valves, these are often used in refineries and other demanding environments. Use with water, oil, air, and inert gas. They gradually open and close to adjust and regulate flow.

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.

Commonly used in water service pipelines and HVAC systems, these valves have grooved ends that connect to pipe with a clamp for easy installation. Since there’s no heat or threading required, they provide quick access to your pipeline for routine maintenance. Use with water. They gradually open and close to adjust and regulate flow.

Maintain sanitary standards in food and beverage applications with these valves that have internal surfaces that prevent product buildup and inhibit bacteria growth. All have sanitary quick-clamp fittings for easy disassembly in systems that require frequent cleaning. They gradually open and close to adjust and regulate flow.

Designed to withstand the extreme cold of liquid argon, liquid carbon dioxide, and liquid nitrogen, these valves are cleaned and bagged to meet CGA G-4.1 standards for oxygen service. They gradually open and close to adjust and regulate flow.

Also known as iris valves, these control the flow of powders, grains, and other dry material through bins and hoppers.

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.

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.

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.

Often attached to differential pressure gauges to measure liquid level in tanks, these manifolds have two isolation valves with a pressure-equalizing valve between them. To isolate your differential pressure gauge for maintenance or calibration, shut off flow on both sides and equalize pressure in the manifold. They are rated for at least 6,000 psi. Use with water, oil, air, and inert gas.

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.

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.

With 45° flared tube fittings, these valves form a tight seal on metal tubing. Use with air. 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. With a fluoroelastomer seal and a PVDF body, they 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.

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.

To withstand a maximum steam pressure of at least 4,800 psi @ 355° F in applications such as petroleum refineries, these valves are machined from a single piece of metal for seamless construction. 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. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

To maintain sanitary standards in food, beverage, and dairy systems that require frequent cleaning, these valves are made of FDA listed materials. Electropolished to a 20 Ra finish, they have smooth internal surfaces that prevent product buildup and inhibit bacteria growth. All have sanitary quick-clamp fittings for easy disassembly. Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.

Valves have NPT connections for use with threaded pipe. Turn the handle to adjust the flow of butane, diesel fuel, fuel oil, gasoline, kerosene, natural gas, and propane in small increments.

For a longer service life than other flanged flow-adjustment valves, these are designed to open and close with minimal wear on internal components. Use with water, air, and inert gas. They bolt to flanges to adjust and regulate flow in flanged pipelines.

Upgrade industry standard flanged gate and globe valves for quicker flow-adjustment capabilities—these have the same end-to-end length as valves of the same pipe size to swap out easily. They’re rated for use with water, oil, air, and inert gas. All bolt to flanges to adjust and regulate flow in flanged pipelines.

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.

These valves meet NSF/ANSI 61 for use with drinking water. They bolt to flanges to adjust and regulate flow in flanged pipelines.

With no metal parts, these valves are often used for noncontact flow adjustment in wet conditions and harsh environments. All press down on the outside of tubing to adjust flow without contacting the process media.

Designed to be mounted inline, these valves can be installed in an easy-to-reach location along your line. They control the speed of air-powered equipment by adjusting the volume of airflow.

Prevent accidental airflow changes with these valves, which require an adjustment tool to alter their flow rate. They control the speed of air-powered equipment by adjusting the volume of airflow.

A numeric indicator provides a relative measure of airflow, similar to the volume dial on a speaker, so it's easy to set the same flow rate with each use. Mount them directly to cylinder ports, eliminating additional tubing between the cylinder and valve for better control than inline valves. They control the speed of air-powered equipment by adjusting the volume of airflow.

Mount these valves directly to cylinder ports, eliminating additional tubing between the cylinder and valve for better control than inline valves. Made of plastic and stainless steel parts, they have excellent corrosion resistance. They control the speed of air-powered equipment by adjusting the volume of airflow.

These valves handle pressure up to 265 psi. They control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting.

Made of PBT, these plastic valves are more corrosion resistant than valves made of aluminum or nylon. A single dial adjusts airflow equally in both directions, controlling the extension and retraction speed of an air cylinder at the same time.

Adjust airflow equally in both directions. These valves regulate the speed of airflow as it enters and exits equipment. They're often used to control the extension and retraction speed of an air cylinder at the same time.

A tapered needle gives you more precise control than standard flow-adjustment inline hydraulic valves.

Set your flow rate and then adjust it as necessary; these valves maintain flow rate despite pressure changes in the system.