Custom Seal Design

Amsted Seals and Forming individually designs and optimizes seals for your precise application. Custom seals take approximately 7 days to design, cost the same as standard seal designs, and last approximately 7-10 times longer.

Broad array of precision sealing solutions

Our engineering and manufacturing capabilities allow for a wide variety of seal types to be custom designed and made to the tightest tolerances and most exacting specifications.

Looking for a seal type we haven’t listed? Contact us today for a custom quote.

Radial Shaft Seals

Bearing Seals

Reciprocating Seals

V-Ring Rotary Seals

Unitized/Cassette Seals

144-point seal engineering process

We thoroughly analyze every operational variable to ensure maximum reliability and performance in even the harshest operating environments. Our 144-point process includes:

  • Case design
  • Beam length
  • Flex thickness
  • Spring position
  • Spring tension
  • Head height
  • Interference
  • Contact width
  • Primary and secondary lip geometry


Engineering the right solution for a specific application starts with choosing the proper materials. We utilize a range of materials so that we can ensure every seal is optimized for whatever operating environment it will be exposed to.

  • Stainless Steels
  • Polymers
  • Nitrile NBR
  • Saturated Nitrile HNBR
  • Poly Acrylic
  • Silicone
  • Fluoroelastomer