Since 1948
your industrial
valve 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!


The principle

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

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

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

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

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

2001 - DIN EN ISO 9001 certification

2004 - Extension of the administration building.

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 - Founding member of Armaturenkompetenz Ruhr (AKR)

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

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