Green Tag Center
pressure relief valve
relief valve
safety relief valve


About Us

  • In 2004 Allied Valve, Inc. was formed by the combination of Allied Valve Industries and Classic Valve.
  • The two companies combined have over 70 years in operation serving the Power, Refinery, Corn Processing and Institutional markets.
  • Allied Valve Industries' 30 years in Safety Valve Sales and Repairs combined with Classic Valve's over 20 years of innovative repair expertise, produced the leading Safety Valve and Valve Service company in the Midwest.
  • Allied Valve Industries was one of the first ASME authorized assemblers in the U.S for Safety Valves and was one of the first companies to receive the National Board’s “VR” stamp for valve repair.
  • In the early eighties, Allied Valve Industries became a Green Tag Center (GTC) for Consolidated and Allied Valve, Inc. now has three GTC’s in Illinois, Iowa and Wisconsin.
  • Today, Allied Valve has over 80 employees at four plants located in Illinois, Indiana, Iowa and Wisconsin that serve the upper Midwest.
  • We have further expanded our services to include 24 hour emergency service, valve repair, field service, leak sealing, field machining, modification, valve actuation, pipe wrapping and plant surveys.



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ASME valve


safety valve
pilot valve