Part number 11075 is a low pressure relief valve. The body is constructed from aluminum with a stainless steel poppet and poppet guide. The valve seat is sealed by a fluorosilicone o-ring. The equivalent square edged orifice diameter is 1.660 inch. The rated operating pressure is 0 to 115 psig and the valve cracks at 5 psig minimum. The inlet and outlet connections are 2.5 inch Hydraflow fittings. The valve was designed for the Leading Edge Active Cooling System (LEACS).