Company Profile

VAT, Inc.

VAT, Inc. is a manufacturer specializing in vacuum valves. Additional products available include gate, pendulum, butterfly, control, transfer, diaphragm, angle and special valves as well as flange connection components, heaters, coatings and other products.

Company Info

781-935-1446, 800-935-1446
500 W. Cummings Park
Woburn, MA 01801-6369


  • in Butterfly Valves

    VAT provides a line of butterfly (or Vatterfly) valves with or without a manual actuator, and with or without an extended body. The Vatterfly valve with a manual actuator is designed for high conductance in aluminum and stainless steel body and also features an easy half turn operation . The extended body ensures the valve plate cannot protrude in its open positions especially when mounted on a pump.

  • in Gate Valves

    VAT provides a product lineup of gate valves in mini-UHV, mini, insertable, HV, UHV, particle free, large HV, large UHV, and all metal configurations. Compact mini UHV gate valves are provided with various actuators, bellow feedthrough, and a size range of 1 to 2 inches. Mini vacuum gate valves feature an aluminum body, shaft feedthrough and a size range from 5/8 to 2 inches.

  • in Stainless Steel Butterfly Valves

    VAT makes butterfly valves with stainless steel or aluminum body construction, for downstream applications, in sizes from 1.5" to 8", with rotary Viton feedthrough, stepper motor actuator, valve position control, power failure option, and more.

  • in Vacuum Valves

    VAT Inc. manufactures a line of vacuum valves including gate, pendulum, control, transfer, angle, diaphragm, gas and special valves for accelerators/synchrotrons. The valves are available with inside diameters ranging from 5/8" to 50".