The Blackmer TXV3B is a 3-inch sliding vane pump featuring an open-rotor design specifically engineered for high-temperature transfer of thick, viscous fluids including asphalts, heavy oils, and industrial lubricants. This cast iron pump features bronze vanes and FKM elastomers for operation up to 375F with fluids up to 50,000 SSU viscosity. The double-ended shaft provides mounting flexibility with clockwise or counter-clockwise rotation capability, while external ball bearings and internal seals ensure reliable operation in demanding applications.