Bell & Gossett Air Separator, In-Line, 1-1/4 Inch FNPT, 175 psi, 300 deg F, 1/8 Inch Vent Tapping, 25 gpm, Cast Iron
B&G inline air separator fittings are designed to effectively separate free air in hydronic heating cooling systems the air separators are constructed of a single piece cast iron material with an integral weir, designed to decelerate system flow to maximize air separation. The IAS?1 and IAS?1-1/4 have a 1/8 Inch NPT vent tapping. The IAS?1-1/2 through IAS?3 have a 3/4 Inch NPT tapping to accept a high velocity air vent or can be piped to a plain steel compression tank. All models have a 1/2 Inch NPT bottom tank connection.
