John Crane / Safematic Mechanical Seals

John Crane is a global leader in the design, development and manufacture of products and services for the world's process and industrial markets. With a history that stretches back over 100 years, our company has progressed from its roots as a packing manufacturer to become a world-leading supplier of mechanical seals, seal support systems, power transmission couplings and packing.


Specialty Seals for Screens and Agitators


Upstream Pumping Seals 

Ultrananocrystalline Diamond Face Cartridge Seals


OEM Safematic Replacement Seals for Sulzer Pumps


Fully Split Seals for Agitators and Pumps


High Temperature Metal Bellows Seals


High Pressure Boiler Feedwater Seals