Dayton liquid operated jets are designed to mix fluids, pump water, transport materials & grains, desalinate seawater & more. These cast iron constructed pumps does not require electricity for operation. They form a strong suction by pumping a high pressure liquid which in turn draws secondary liquid into the pump. These pumps can withstand a maximum pressure rating of 150 PSI. They have NPT threads on both the inlets for a secure connection. Choose from a wide range of these liquid opearted jets, available in 3/8, 1/2, 3/4, 1, 1-1/4 and 1-1/2 inch NPT inlet threads on Raptor Supplies.