Helical Gear Pump, FT Series. It is available in cast iron grade with single helical alloy steel gears and hardened and ground shafts. It has sturdy design and construction to give long and trouble free life and performance. Ultra bronze bush material ensures smoother running than conventional phosphorous bronze. It is available in sizes 1" to 3", capacity range of 2.5 to 500 LPM and can operate upto a max pressure of 10 kg/cm2 and temperature up to 80C.