Rotary Lobe Pumps from Herold—Incredibly Powerful
The worldwide lowest pulsation rate and energy consumption are only two of many outstanding advantages.
Looking for an energy efficient pump system? As a well known pump manufacturer we offer our patented rotary lobe pump with extraordinary features. With a wide range of pump sizes, accessories and possibilites, Herold is able to optimize your process with perfectly suited pumps.
Find out more about our rotary lobe pumps...
Who Are We?
Herold is a medium sized iron foundry and machining factory. We supply worldwide known customers with our services. In addition to that we produce rotary lobe pumps with the lowest pulsation rate worldwide. This patented Wendelkolben® Pumps are well-reputed in the sugar, starch, food and many other industries.
Our Bionic Cutter
A High Performace Grinder Increasing the Biogas Yield and Profitability of a Biogas Plant
The Bionic Cutter is not like an old-fashioned macerator. Similar to the chewing process of a cow, we designed a stunning new working principle to cut coferments into tiny pieces. 
That gives the bacteria a higher target for their methane production.
Latest News
Herold invests more than 1.3 million Euro
We celebrated our 150th anniversary. This was not a reason for our retirement - we invested in several new projects. For example we purchased a new 5 axis CNC machine or a modern cogeneration unit.
Our new pump size 07.001
We got often the inquiry for small rotary lobe pumps. Therefore we developed a innovativ and hygienic pump size 07.001 It is ideal for applications with less than 2 m²/h
Pumps With 3A Certificate
The food industry especially demands very high standards—one more reason to focus on quality. 
Besides the our already existing pumps with EHEDG certificate we now have certified 3A pumps.