W.L. Walker centrifuges are used throughout the petroleum industry for determining sediment and water content in crude oil, fuel oils, and other petroleum products. Available in portable and laboratory configurations, our centrifuges support sediment and water testing programs performed in accordance with API MPMS Chapter 10.3, API MPMS Chapter 10.4, and ASTM D4007. Replacement parts, shields, tube holders, and repair services are available for many centrifuge models.