Blackmer® SX sliding vane pumps, which are part of the Stainless Line offer fast fluid off-loading - typical off-loading. The SX3 pumps are designed for loading and unloading corrosive fluids including chemicals, solvents and sulfates with low- and medium-viscosities. The SX100 pumps are designed for loading and unloading gasoline, diesel, biofuel and other chemicals with low/thin viscosities.