Pressure Ratio 1:1 Double acting air operated low pressure pumps for transferring lubricants and other non-corrosive fluids. Pumps include height adjustable bung adaptor 2″ BSP (M) for tank or drum mounting. Pressure Ratio 3:1 Double acting air operated medium pressure pumps for dispensing lubricants from mobile units, oil distribution packages and small systems. Pumps are capable of pumping all types of lubricants, even those of high viscosity. Pumps include height adjustable bung adaptor 2″ BSP (M) for tank or drum mounting, and a built in port for connecting a pressure relief valve (PN 609 007). Pressure Ratio 3:1 Double acting air operated medium pressure pumps for dispensing lubricants from mobile units, oil distribution packages and small systems. Pumps are capable of pumping all types of lubricants, even those of high viscosity. Pumps include height adjustable bung adaptor 2″ BSP (M) for tank or drum mounting, and a built in port for connecting a pressure relief valve (PN 609 007). Pressure Ratio 5:1 Double acting air operated high pressure pumps for dispensing lubricants in large size installations including multiple dispensing points with simultaneous operation. Pumps are capable of pumping all types of lubricants, even those of high viscosity. Pumps include height adjustable bung adaptor 2″ BSP (M) for drum and tank mounting and a built in port for connecting a pressure relief valve(PN 609 007). Typically used in workshops, service stations, fast lube centres, fleet maintenance in mining, agriculture, armed forces, construction, trains, etc, in medium large installations even with simultaneous operation outlets.