Sem-Tec Inc
72 Years
in Business
Custom Manufacturer of Valve Balls in Many Different Metals & Sizes Ranging from 1/4" to 40" in Sphere DiameterWe offer a complete line of Valve Balls including standard port, multi-port, ball & stem, angle port, top entry and trunnion types.
Main - (508) 798-8551
Fax - (508) 799-0328