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-060-HF is ARI's high-flow combination air valve for potable water. In standard operation, the D-060-HF operates to provide very high-flow air release. The D-060-HF is also available as the D-060-HF-NS, which has special "non-slam" features to prevent water hammer.

Working pressure range (sizes in NPT threading):

size (NPT)	working pressure	weight
2"	3-230 psi	23 lb.
3"	3-230 psi	40 lb.
4"	3-230 psi	55 lb.
6"	3-230 psi	171 lbs.
8"	3-230 psi	257 lbs.

Advantages to the D-060-HF:

• patented "rolling seal"
• NSF approval
• corrosion-proof operating parts
• very high-flow operating conditions
• click here for specifications (regular version)
• click here for specifications (non-slam version)

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 10.17.2005