Offers double acting air valve. With highly driven technical excellence, we are deeply engrossed in offering a huge gamut of feature enriched double acting air valves to our clients. These air valves are highly demanded by our esteemed clients. Our offered valves are precision engineered by using high grade cast iron, ductile iron and cast steel. Features: •highly efficient •easy to install •complete system protection of water pipeline. Specifications: is: 14845 (fig. Ds- I & ds- ii).