• English
  • 中文


    E-502 type, replacement product of John Crane 502 type, Rubber bellows type mechanical seal Temperature: -40~+205℃ Speed: 13m/s Pressure: 2.5Mpa

Installation drawing and size of E-502.pdf

Suggested operating limits

Temperature: -20 - 120℃

Speed: ≤15m/s


Combined material

Rotary face: Carbon/Sic/TC

Stat Ring: Ceramic/Sic/TC


Full convolution elastomeric bellows seal designed to fit into confined spaces including DIN24960.

Unitized for ease of installation and tolerant of shaft play and run-out.

Bi-directional and robust drive to the seal face eliminates stresses on the bellows.

Available in metric sizes from 14mm to 100mm.

Recommended Application

Process Pumps

Other Rotating Equipment

The Type 502 mechanical seal is one of the best-performing elastomeric bellows seals available. It is suitable for general service and provides excellent performance in a wide range of hot water and mild chemical duties. It is specifically designed for confined spaces and limited glands lengths.

At the meantime, we could manufacture seals according to your sample or drawing, and design as your request.

Installation size and drawing of 502 type for John Crane