Type 380, 385

Type 380 is a stationary single-cartridge seal. The mechanical seal was specially optimized to meet the requirements of the petroleum industry. Type 380 is equipped with a so-called ‘’ floating“ safety seal. As a result, this mechanical seal is also recommended for extreme boundary conditions - from water and highly volatile hydrocarbons to acids and alkalis. Type 385 is a stationary, tandem-active double mechanical seal. Specially designed to meet the requirement of the petroleum industry, t Type 385 is equipped with a barrier fluid chamber with a patented pump construction and barrier fluid diversion.