Ball Valve & Seat -



Inside Diameter.083/.087"
Outside Diameter.1775/.1805"
Ball Diameter.1250"

Sapphire Ball Seats are used as check valves in pumps. Using a Grade 5 sapphire or ruby ball in conjunction with the seat will provide a seal due to matching points of contact. Our stock sapphire seat matches with a 1/8" diameter ball (Model No. B3.18S, B3.18R). Custom design is welcome.

  • Liquid Chromatography
  • Flow Control
Swiss Jewel Ball Seat Diagram

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We at the Swiss Jewel Company specialize in creating a wide range of custom optical components and custom mechanical components including a variety of shapes - from internal holes and tapers to outer flanges, angles and surface finishes. Contact us and we will consult with you to create a custom component that meets all of your specifications.

Ball Valve & Seat


*Quantity discount pricing will be reflected in cart.
Quantity Price
1 - 10$33.45
11 - 49$30.40
50 - 99$28.20
100 - 249$23.60
Need more? For a quote on large or custom orders, please contact us.

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