The D-020 Combination Air Valve combines an air & vacuum orifice and an air release orifice in a single body.
The D-021 combination air valve for reclaimed and non-potable water combines an air & vacuum large orifice and an automatic small orifice in a single body.
The D-023SB is a complete product package that combines the reliable and efficient properties of the A.R.I. D-023.
The D-025L Combination Air Valve combines an air & vacuum orifice and an air release orifice in a single body.
The D-026 Combination Air Valve combines an air & vacuum orifice and an air release orifice in a single body.
The K-020 & K-022 are specially designed to operate with liquids carrying solid particles such as wastewater and effluents.
The S-021 Automatic Air Release Valve for reclaimed and non-potable Water is specially designed to operate with liquids carrying solid particles.
The SD-010GB is designed for underground and confined space installations.