The new X-Series by Liberty Pumps features heavy cast-iron sewage and effluent pumps designed specifically for use in hazardous locations. The XFL- and XLE-Series meet the standards required in hazardous locations and are available in 1/2 and 3/4 hp. The units have been certified to Class 1, Division 1, Groups C & D and Class 1, Zone 1, Groups IIA and IIB. Both series feature a dual-sized discharge, two-vane semi-open cast-iron impeller (bronze optional), epoxy powder-coat finish, dual silicon carbide shaft seals with seal fail sensor and stainless-steel fasteners. In addition, Liberty has added the ISS- and ISD-Series intrinsically safe control panels for use with X-Series pumps.