Sapphire Ball Seat for Check Valve

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.

Typical Applications: Liquid Chromatography, Flow Control

Model Inside Diameter Outside Diameter Thickness Ball Diameter
SP-140 .083/.087" .1775/.1805" .058/.062" .1250"
Sapphire Ball Seat Cross-Section
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We 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 (800-922-0118) and we will consult with you to create a custom component that meets all of your specifications.