Shield rubber joints buried protective device known as rubber joints, primary and flexible rubber joints used in conjunction with effective protection against damage rubber joints other external forces, greatly increasing the life of rubber joints, is efficient and convenient new products. Because the use of special materials and rubber joints, rubber joint decision must use the shield, in use should pay attention:
A reasonable size dimensions, compared to a model with a large rubber joints2, thickness requirements: the buried depth according to customer, ranging thickness3, anti-corrosion treatment prior to use to check to see if there is an outer layer may be an epoxy resin anticorrosive4, the protective cover between 10-15 years of service life.