Double casing structure.High efficiency, excellent wear resistance and stable performance with highly interchangeable spare parts.Liner and impeller can be made of wear-resistant metal or rubber.The pump discharge direction can be installed at 8 different angles at 45° intervals, allowing multi-stage series connection.It supports belt drive and direct-coupled drive.Shaft seal options include packing seal, auxiliary impeller seal and mechanical seal.Viewed from the drive end, the pump rotates clockwise.