Features The bellows of this mechanical water pump water seals is not affected by any torsional stress. The ingenious design includes multiple functions such as the sealing surface bracket, the secondary sealing element and the drive collar. The sealing surface is driven by a spring and an "L"‑shaped ring, and there is no glue connection. All surface materials of this mechanical water pump seals are interchangeable without modifying any size. It is made of a variety of high quality materials, strong and durable, and has a long service life. Specification: Item Type: Mechanical Seals Model: MG1-45 Material: Graphite + Silicon Carbide + Nitrile + Stainless Steel Working Pressure: 1MPa Operating Temperature: 120℃ Type: Dynamic Ring Purpose: Mechanical Sealing Package List:1 x Machine Seals1 x Base Package List 1 x Machine Seals 1 x Base