Mechanical Seals API 682 4° Edition

Dual cartridge reverse pressure seal complete with flange and sleeve, is it designed
in compliance with standard API 682 4th edition. Product side seal with springs
outside the process, especially recommended with dirty liquids and with suspended
solids. The particularly compact overall size allows easy installation on existing
pumps. For polluting or dangerous processes, standards require dual mechanical seal
lubricated with a fluid. The level of danger will determine the choice of pressurised or
unpressurised flushing and the choice of the auxiliary system: an auxiliary fluid with
unpressurised system (CB8T) or an auxiliary fluid with pressurised system (CB8D).