OEM Replacement Seals

Ergoseal provides OEM replacement seals for several major brands. These seals are manufactured with equivalent specifications in terms of fit, form, and function for various types of rotating equipment. In addition to direct OEM replacement seal options, we also offer modified alternatives that are optimized and custom-designed for your specific needs.


OEM Equivalent

John Crane®

Please contact us for a quote on John Crane® equivalent seals.
Type 1 (RB10) Type 1 (RB10) Download
Type 2 (RB1A) Type 2 (RB1A) Download
Type 21 (RB1C) Type 21 (RB1C) Download
Type 2100 (RB1D) Type 2100 (RB1D) Download
Type 6 (RB1B) Type 6 (RB1B) Download
Type 6A (SB10) Type 6A (SB10) Download

Seat Components

Please contact us for a quote on Seat Components.


  • Alumina
  • Silicon Carbide
  • Tungsten Carbide



  • ID/OD O-Ring Mount
  • ID/OD Cup Mounted
Cup Mounted Seat
ID O-ring mounted seat
OD O-ring Mounted Seat (Alumina)
Silicon Carbide Seat


Please contact us for a quote on Flowserve® equivalent seals.

Need a Custom Solution?

Our in-house design and engineering team is ready to help. Let us know what type of custom mechanical seal solution you need.  

Have a project? Tell us how we can help.

Let our seal design and engineering experts assist you. We're here to help you find the optimal OEM replacement seal for the job.

To helps us find the correct replacement seal, please provide as much information as possible (model, manufacturer, code, size, materials, and quantity).