- Valve Balls, Valve Seats, and Spherical Grinding Services precision valve balls Spherical grinding services from DK
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Valve balls and valve seats

Valve Balls is All We Do!
Valve Seats, Spherical Grinding & Repair

DK Machine offers valve balls and seats, and provides spherical grinding services for many industries including military, mining, pulp and paper, petroleum and chemical. We produce precision valve balls for use in severe duty, high pressure, and high tolerance applications. 

Our products include stainless steel, titanium, Stellite®, Hastalloy®, brass, carbon steel, Inconel® and nickel alloy valve balls, to name a few.  Our Quality Control System complies with MIL-I-45208A standards.

DK Machine also provides valve ball refurbishment and spherical grinding services for specialty products, as well as manufacturing of modified and custom valve balls. We use multiple computerized automated spherical grinders to ensure consistent accuracy for small and large runs.  

In addition to grinding and manufacturing up to 24" outside diameter valve balls complete, DK Machine provides valve seats and a wide range of platings and coatings for your application. Our Component Mating System (CMS) Program provides matched ball and valve metal seat sets to ensure maximum valve performance. 

We are a leading valve ball manufacturer of quality valve balls and valve seats.  We manufacture components to your exact specifications.