Mechanical seal R-21 with coil spring used in various pumps, compressors, mixers, mixers.
Analogue of mechanical seals: John Crane Type 21, AESSEAL P04 /P04T, Flowserve 110, Roten 21A, SEALOL 43 CU, Sterling 212A, US SEAL C, Vulcan 11. The accessories are designed to seal the following equipment:
With the help of these units, they pump industrial and food water, weakly concentrated chemical solutions, paper industry products with solid inclusions and other substances that are not aggressive to structural parts. They are most widespread in the field of public utilities. In addition, the materials used for manufacturing allow products to be used in the food industry.