Mechanical seals are commonly used as shaft seals, as an easy, reliable and hygienic. They do not require any maintenance except for an exchange related to natural wear and tear. The standard kit is used: silicon carbide, Viton, stainless SUS 304th For special materials are selected depending on the type of media and working conditions are: SUS 316L, titanium and nickel alloys, ceramics, graphite, tungsten carbide, and elastomers, NBR, EPDM, FKM, FEP. All types of mechanical seals are made of the finest, certified materials and are covered by manufacturer's warranty. In order to better availability and shorter delivery time, standard types of MS and mounting accessories offer directly from the stock the full range of diameters. Also in short supply during the seal designed specifically for the requirements and needs of customers in the required size of building and operating conditions and functions. Production and distribution offered by SINOGRAF SA seal is under the supervision of the system according to ISO 9001 and EN12756 standards and the requirements of DIN 24960 in a typical range of diameters.