1/2 to 3/8 reducer for sale, brand-new and used.

Series 4300 Electric Drive Chemical Injector, Plunger Size: 3/4", Injector Heads: Double Head, Gear Ratio 100:1 Series Description: The Series 4300 Chemical Injectors are electric motor driven, positive displacement pumps utilizing an integral worm gear drive available in three different standard ratios and 6 plunger sizes to provide a wide selection of volumes and pressures .063 GPD up to 325 GPD per head, against pressures from 150 to 5000 psig.

Series 4300 Electric Drive Chemical Injector, Plunger Size: 3/4", Injector Heads: Single Head, Gear Ratio 100:1 Series Description: The Series 4300 Chemical Injectors are electric motor driven, positive displacement pumps utilizing an integral worm gear drive available in three different standard ratios and 6 plunger sizes to provide a wide selection of volumes and pressures .063 GPD up to 325 GPD per head, against pressures from 150 to 5000 psig.