The single sphere rubber bellows expansion joint has a point in which the inner rubber layer is integrated, smooth and seamless, and the label is vulcanized and combined with the product. The flexible rubber joint has high pressure resistance, good elasticity, large displacement, balanced pipeline deviation, absorption vibration, good noise reduction, convenient installation, etc. The flexible rubber joint can be widely used for water supply and drainage, circulating water, Plumbing systems such as HVAC, fire protection, paper, pharmaceutical, petrochemical, marine, water pump, compressor, and fan.
