Our Rotary Lobe Pump—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 Multi-Cut-Wolf
A High Performace Grinder Increasing the Biogas Yield and Profitability of a Biogas Plant
The Multi-Cut-Wolf 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
Pumps With EHEDG Certificate
The food industry especially demands very high standards—one more reason to focus on quality. 
Due to that we have a new pump design according the EHEDG hygienic standard.