Product Name: Centrifugal /Trash/Self-Priming Pumps (ST) (Heavy Duty Solids-Handling) Model NO.: ST Structure: The Slide Transmission: Direct Connection Transmission Theory: Jet-flow Air Engine Type: Diesel Engine Type: Self-priming Pump With Inner Recirculation Color: Greg or Blue Trademark: SANLIAN, ESKE Transport Package: Plywood case Specification: US Origin: China HS Code: 84137099 Product Description Centrifugal /Trash/Self-Priming Pumps (ST) (Heavy Duty Solids-Handling)ST Series pumps are designed for economical & trouble-free operation in handling solids-laden liquids and slurries. Pumps feature a large volute design which allows them to re-prime automatically in a completely open system without the need of suction or discharge check valves. And this is workable with the pump only partially filled with liquid and completely dry suction line.Pumps will be able to handle up to 75mm spherical solids, depending on pump models. In case that pump shaft or bearings need service or repair, the entire rotating assembly can be removed without disturbing pump casing or pipelines.Rotating assembly is sealed with an O-Ring, allowing for external adjustments of clearance.Material: Cast Iron, ADI, CD4MCU, 316 SS, Alloy 20, C276.Flow: 10m₃/h-1200m₃/h;Head: 5m-60m