HERDING FILTERTECHNIK
Pure productivity - durable. effective. filter.

Herding GmbH Filtertechnik is a manufacturer of filter media, dust collecting systems and filter systems for industrial use. Within a period of 45 years the filter specialist Herding®Filtertechnik has developed into a global supplier of complete systems for all sectors of industry.

The focus is dry dust separation, removal of aerosols as well as the recovery of product. For many years we have been supplying innovative filter technology for the AM sector and offering solutions for the demanding tasks in plant operation and safe dust handling. The name Herding® stands for reliability, quality and on our customer needs.

Everything from a single source

The depth of our manufacturing in Germany stands guarantee for the quality, flexibility and safe plant operation. Our international presence in Europe, Asia and America enables us to be close to our customers worldwide while maintaining the same quality. Herding® dust collecting systems protect personnel and machinery. They help protect the environment and recover valuable material from the process.

The company has its own manufacturing plant where it produces patented sinter-plate filter media and complete standard systems or customized solutions. Its hot gas filter media and systems cover a temperature range of up to 450° C. The maximum pressure range for process filters can extend from vacuum to a pressure of 10 bar. Depending on the requirements, our system solutions start with collection of the dust and end with its removal, if necessary with zero contamination. A suitable controller rounds out such a system solution into a fully automatic and low-maintenance solution, particularly since the filter media have an extremely long service life.

The safety engineering includes ATEX-compliant plant design backed by professional and detailed advice from our experts. Our products are supplemented by a wide range of accessories such as automatic precoaters to ensure that our systems run without problems. Extensive services including trainings for our customers' service and maintenance crews complete our range of products.

Put us to the test! We will improve your productivity!

CONSTANT SAFETY IN ADDITIVE MANUFACTURING
New technological standard thanks to permanent surface filtration

In additive manufacturing of metallic materials more and more attention is being paid to safety aspects. In recent years, the further development of AM plant systems has focused primarily on optimizing core processes, the materials to be used and functionality. Currently, the focus is on maximum safety in handling the highly reactive materials and ensure sustainable operational consistency, especially in peripheral processes such as filtration and passivation technology. The use of pure surface filtration with the Herding® Sinter-Plate Filter in combination with the safest consistent passivation and integration into the inert gas circuit of the systems offers an optimum solution.

Herding®Filter-Systems
Herding® Filtertechnik offers tailor-made and specifically developed filter unit designs from prototype to series production in order to increase productivity and safety on the basis of:

• Gas-tight filter systems with the Herding® Sinter-Plate Filter
• Automated passivation unit
• Integrated vacuum generator
• Autonomous control system
• Individually adapted enclosure if necessary

All areas of additive manufacturing are covered, such as.

• Metal powder production
• Additive manufacturing of parts
• Powder transport systems
• Post processing of parts

Herding®Filter Elements
The heart of Herding technology is the filter medium, which is the ideal companion for additive manufacturing processes. Operator benefits through the filter medium:

• Pure surface filtration enables absolutely constant operating conditions
• Minimum influence on the laminar flow
• Highest separation efficiencies < 0.1 mg/m³ - Optimum protection of downstream units
• Extremely long service life due to the properties of the rigid body medium
• No filtration-related wear of the filter media
• Only filter medium rated as DustExZoneBarrier according to VDI 2263, page 6 and 6.1