Mechanical Seals

Style 79

Cartridges for the critical, toxic and fugitive emission applications where single seals are not acceptable.
Incorporated pumping ring improves cooling of barrier fluid.
Tandem design maintains product and barrier fluid on O.D. of both seals for increased safety and heat dissipation.
A tangential connection maximizes flow of barrier fluid.
Can be operated in pressurized or non-pressurized state.
Springs are out of the product.
Double balanced inboard face allows for reverse pressures in upset conditions.
Easy-to-install cartridge design.
Fits all ANSI standard and big bore pumps.
Metric sizes are available.
Stationary design.
Can be easily adapted to satisfy high pressure applications or extreme run out.
Designs for most challenging mixer, agitator and reactor applications.
Retained faces eliminate troublesome drive pins.
Hydraulically balanced design.
Shrouded face design for added protection.
API 682 Type A Tandem Arrangement 2 and 3 available.