Patent ID: 6533845
Filing Date: 2003-03-18
Classification: B01D

Abstract:
A method of servicing an air filtration system for a gas turbine system; the method comprising:(a) removing a first sleeve member holding a first primary filter element from a tube sheet in a gas turbine system; (b) installing a second sleeve member holding a second primary filter element into the tube sheet in the gas turbine system; (i) the second sleeve member having a circular extruded flange extending radially from the second sleeve member and fully circumscribing the second sleeve member; (ii) the second primary filter element including opposite upstream and downstream ends; the second primary filter element having a plurality of flutes, each of the flutes having a first end portion adjacent to the filter element upstream end, and a second end portion adjacent to the filter element downstream end; selected ones of the flutes being open at the first end portions and closed at the second end portions, and selected ones of the flutes being closed at the first end portions and open at the second end portions; and (c) forming a seal between the second sleeve member and the tube sheet in the gas turbine system.