D.J. Gongol and Associates, Inc. are the exclusive manufacturer's representatives and distributors for ARI Flow Control Accessories in Iowa and Nebraska. ARI Flow Control Accessories manufactures combination air valves with the patented "Rolling Seal." The rolling seal design is a revolutionary development that costs less to install and is easier to maintain than any other combination air valve on the market.

The D-040 is ARI's flagship combination air valve for potable water. In standard operation, the D-040 operates as a combination air valve for use anywhere along a pressurized water main. It can also be supplied with a one-way check valve for use on deep well pumps.

Working pressure range (sizes in NPT threading):

size (NPT)	working pressure	weight
0.5"	3-150 psi	1 lb.
0.75"	3-150 psi	1 lb.
1"	3-150 psi	1 lb.
2"	2-230 psi	2.5 lbs.

Advantages to the D-040:

• patented "rolling seal"
• NSF approval
• light weight
• corrosion-proof materials of construction
• click here for specifications

Combination air valves from ARI are the most advanced sold anywhere in the world. Contact us for custom specifications and calculations by using our RFQ page, and we'll be happy to share more about them with you.

last revised 10.15.2005