Since 1948 Your industrial valves specialist

Herberholz develops and manufactures special on/off valves and special control valves from DN25 up to DN3200 suitable for gas applications. We support engineering companies and general contractors in the definition and specification of efficient solutions. We cooperate with high schools and universities and we focus on training and skills development of our employees.

We have made it our philosophy to put the customer at the center of all work processes.

Our customers are partners, they are the key to continuous innovation and improvement.

Who believes being good enough, is not able to improve!

  • 1948

    1948 - Company founded in Wuppertal-Barmen by Friedr. Wilh. Herberholz - mechanical engineer. Manufacturing of hand operated welded valves for the heating industry.

  • 1954

    1954 - Start of the manufacturing of wafer type butterfly valves. Diameter size from 50 mm to 600 mm.

  • 1957

    1957 - The production of special forged steel butterfly valves for transformer applications represents 80% of the production capacities. Size 80 mm and 100 mm.

  • 1967

    1967 - The company moves from Wuppertal to Schwelm. Start of the production of seat tight butterfly valves for DN50 to DN300.

  • 1980

    1980 - Start of the production of valves for hot air and combustion gas up to 600°C.

  • 1981

    1981 - The company’s founder dies in May 1981 and his son Günter continues the company. The company moves to its current location in Ennepetal.

  • 1999

    1999 - Takeover of the company by Mag. Ludwig Polsterer /Vienna. The company is successful and the name of the founder is maintained.

  • 2001

    2001 - DIN EN ISO 9001 certification

  • 2004

    2004 - Extension of the administration building.

  • 2008

    2008 - Inauguration of the new office space in the second extension of the administration building. The company’s 60 years anniversary is celebrated on August 1st, 2008.

  • 2011

    2011 - Founding member of Armaturenkompetenz Ruhr (AKR)

  • 2013

    2013 - Introduction of the new ams.Solution ERP software.

  • 2014

    2014 - Renovation and expansion of sales offices and technical offices.