Weir Vertical Pump Weir Pumps - these types of vertical pumps were used extensively with both land and marine steam pumps. The pumps were also used for various duties from pumping oil fuel and feed water for boilers, to draining bilges on steam ship[s single cylinder, double acting vertical pumps used by G. & J. Weir Ltd. , of Cathcart, Glasgow .Weir Vertical Pump ( no. 2 ) - Steel vertical pumpWeirpuffing billy, fluid pump, weir, vetical pump