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Who We Are

With over 40 years of industry experience, commitment to service, reliability and innovation, A.R.I. is a leading manufacturer and provider of solutions for the protection of liquid transmission systems worldwide. The company manufactures and markets a complete line of air valves, check valves, and unmeasured flow reducers (UFR) as well as providing software system analyses for surge and air valve sizing and placement. ARI is firmly committed to quality and to protecting the environment and is ISO 9001 and ISO14001 certified.

What We Do

A.R.I. system solutions protect the pipeline from destructive forces such as surge, pressure transients and entrapped air. These are the leading causes of pipeline bursts, fractures and cracks which cause irreparable environmental damages such as water losses from leaks, pathogen and contaminant intrusion through pipe cracks and energy losses from inefficient flows. A.R.I. is committed to solving these problems by providing a system analyses that helps reduce surge related phenomena and select the most efficient A.R.I. air valves and size and locate them on the liquid transmission system.

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AV-10 | Air & Vacuum Air Valve for Industry

AV-10 | Air & Vacuum Air Valve for Industry

The AV-010 Air & Vacuum Valve discharges air at high flow rates during the filling of the system and admits air at high flow rates during drainage...

D-025 | Combination Air Valve for Non Clean Water

D-025 | Combination Air Valve for Non Clean Water

A.R.I. D-025 Series is a reduced bore, Combination Air Valve installed on a wastewater transmission systems.

Mining Leaching Skid

Mining Leaching Skid

The Instrumentation & Control Leaching Skid is a portable self-contained unit, designed to be installed at each leaching module entrance to provide precise leaching rate control in the module

D-040 | Combination Air Valve for Industry

D-040 | Combination Air Valve for Industry

The D-040 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-040 V / I | Combination Air Valve for Industry

D-040 V / I | Combination Air Valve for Industry

The D-040 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-43 | Combination Air Valve for Industry

D-43 | Combination Air Valve for Industry

The D-43 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-040 L | Combination Air Valve for Industry

D-040 L | Combination Air Valve for Industry

The D-040 L Combination Air Valve has the features of both an air release valve and an air & vacuum valve in a single body.

D-040 LP | Combination Air Valve for Low Pressure

D-040 LP | Combination Air Valve for Low Pressure

The D-040 LP series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-060 | Combination Air Valve for Industry

D-060 | Combination Air Valve for Industry

The D-060 Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-040 PVDF | Combination Air Valve for Industry

D-040 PVDF | Combination Air Valve for Industry

The D-040 PVDF Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-016 | Combination Air Valve for Industry

D-016 | Combination Air Valve for Industry

The D-016 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-060 NS | Non Slam Combination Air Valve

D-060 NS | Non Slam Combination Air Valve

The D-060 NS Combination Air Valve is a surge-dampening, slam-preventing, 3-stage combination air valve.

D-060 NS M1 | Non-Slam Combination Air Valve

D-060 NS M1 | Non-Slam Combination Air Valve

The D-060 NS M1 Combination Air Valve is a surge-dampening, slam-preventing, 3-stage combination air valve.

D-060 M1 | Combination Air Valve for Industry

D-060 M1 | Combination Air Valve for Industry

The D-060 M1 Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-060 M1 LP | Combination Air Valve for Industry

D-060 M1 LP | Combination Air Valve for Industry

The D-060M1LP Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-060 LP | Combination Air Valve for Industry

D-060 LP | Combination Air Valve for Industry

The D-060LP Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-065 | Combination Air Valve for Industry

D-065 | Combination Air Valve for Industry

The D-065 Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-065 M1 | Combination Air Valve for Industry

D-065 M1 | Combination Air Valve for Industry

The D-065 M1 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve.

D-070 | Dynamic Combination Air Valve

D-070 | Dynamic Combination Air Valve

The D-070 Dynamic Combination Air Valve is a unique valve, operating without a float and utilizing the rolling diaphragm principle.

D-070 P | Dynamic Combination Air Valve

D-070 P | Dynamic Combination Air Valve

The D-070-P Dynamic Combination Air is a unique valve, operating without a float and utilizing the rolling diaphragm principle.

K-014 K-016 K-100 | Air & Vacuum Valve for Industry

K-014 K-016 K-100 | Air & Vacuum Valve for Industry

The Air & Vacuum Valves are designed to automatically discharge or admit large volumes of air during...

S-010 | Automatic Air Release Valve

S-010 | Automatic Air Release Valve

The S-010 Automatic Air Release Valve releases accumulated air from the system while it is under pressure.

K-060 K-062 K-064 | Air & Vacuum Valve for Industry

K-060 K-062 K-064 | Air & Vacuum Valve for Industry

The K-060 series Air & Vacuum Valves are designed to automatically discharge or admit large volumes of air during...

S-012 S-016 S-100 | Automatic Air Release Valve

S-012 S-016 S-100 | Automatic Air Release Valve

The S-012, S-016, S-100 series automatic air release valve releases accumulated air from the system while it is under pressure.

K-060 M1 | Air & Vacuum Valve for Industry

K-060 M1 | Air & Vacuum Valve for Industry

The K-060 M1 series Air & Vacuum Valves are designed to automatically discharge or admit large volumes of air during...

S-015 | Automatic Air Release Valve

S-015 | Automatic Air Release Valve

The S-015 automatic air release valve releases accumulated air from the system while it is under pressure.

S-050 | Automatic Air Release Valve for Industry

S-050 | Automatic Air Release Valve for Industry

The S-050 series Automatic Air Release Valve releases accumulated air from the system while it is under pressure.

D-020 | Combination Air Valve for Industry

D-020 | Combination Air Valve for Industry

The D-020 Combination Air Valve combines an air & vacuum component and an air release component in a single body.

S-050 PVDF | Automatic Air Release Valve for Industry

S-050 PVDF | Automatic Air Release Valve for Industry

The S-050 PVDF series Automatic Air Release Valve releases accumulated air from the system while it is under pressure.

D-021 | Combination Air Valve for Industry

D-021 | Combination Air Valve for Industry

The D-021 Combination Air Valve combines an air & vacuum component and an air release component in a single body.

D-023 | Combination Air Valve for Industry

D-023 | Combination Air Valve for Industry

The D-023 Combination Air Valve combines an air & vacuum component and an air release component in a single body.

D-025 L | Combination Air Valve for Industry

D-025 L | Combination Air Valve for Industry

The D-025 L Combination Air Valve combines an air & vacuum component and an air release component in a single body.

D-025 | Combination Air Valve for Industry

D-025 | Combination Air Valve for Industry

The D-025 Combination Air Valve combines an air & vacuum component and an air release component in a single body.

S-020 HC VB S-022 HC VB | Automatic Air Release Valve

S-020 HC VB S-022 HC VB | Automatic Air Release Valve

The S-020/2 HC VB automatic air release component releases accumulated air (gas) from the system while it is operating under pressure.

S-021 | Automatic Air Release Valve

S-021 | Automatic Air Release Valve

The S-021 Automatic Air Release Valve is specially designed to operate with liquids carrying low concentrations of solid particles.

NR-040 | Check Valve with Removable Cover for Industry

NR-040 | Check Valve with Removable Cover for Industry

The NR-040 series Swing-Type Check Valve allows for one-directional flow and prevents the return flow of the liquid to its source.

NR-010 | Check Valve with Removable Cover

NR-010 | Check Valve with Removable Cover

The NR-010 Check Valve is compatible for installation in horizontal pumps or boosters.

NR-020 | Wafer Style Check Valve for Industry

NR-020 | Wafer Style Check Valve for Industry

The NR-020 Check Valve is compatible for installation on horizontal pumps and boosters in order to prevent the return flow of liquid...