Durable 70mm Mechanical Seals Cartridge Seals for Fuel Forwarding Pumps

Suggested Operation Limits

Temperature: -30ºC-205ºC

Speed: <=20M/S

Pressure: <=1.5Mpa

Size: 24mm-70mm/1"-2.750"

Combined Material

Rotary Face: CAR/SIC/TC

Stat Ring: SIC/TC

The type seal can replace with Johncrane type 4620 cartridge seal.

The mechanical seal was sham by George Cook and was formerly called a "Cook Seal". It was first used in refrigeration compressors. In a small time, it was becoming popular in the manufacturing proceeding. The demands for the mechanicals seals had achieved the worth about 100 million dollars.

A mechanical seal is normally settled in revolving equipment, for example pumps and compressors. The mechanical seal is predictable to prevent the liquid pour out of the pump between the rotating shaft and the stationary pump casting. Actually, with the competitive provisions, it does better help than the mechanical packing which is extensively used in the early times.

Generally talking, a mechanical seal consist of four functional mechanisms: primary sealing face, secondary sealing surfaces, a means of actuation and a means of drive. And the center part of the machine is the main sealing surface which joins two rings in a solid material like silicon carbide and a softer substance like carbon correspondingly.