Sem-Tec, Inc. is a New England based supplier servicing the Ball Valve Industry for over 50 years.
Established in 1955, the constant growth of Sem-Tec, Inc. has been largely due to devotion to detail. Customer requirements are our first consideration; with Service, Quality and Competitive Pricing as the key ingredients to ensure the best product for all of our customers. We have the technology, skilled craftsmanship and experience to manufacture a wide variety of custom balls for valves.
If you have special requirements please contact us so we can give your specifications the best and quickest analysis.