The wastewater grinder

  • Economical shredding of solid and disruptive matter such as wet wipes, wood, fabric, trash, and waste
  • Efficient protection for pumps and system components from clogging, blockages, and damage
  • Always ready for operation thanks to straightforward maintenance
  • Added reliability thanks to cartridge mechanical seal technology

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Robust technology for reliable protection from clogging in pipe systems or channels

If wet wipes and entangled material are clogging waste water pumps in sewers, XRipper waste water grinders are the effective solution. The twin-shaft grinder powerfully shreds foreign matter such as hygienic products, textiles and garbage to prevent entanglement of fibrous foreign matter, thereby protecting pumps, valves and pipe systems from clogging. The twin-shaft grinder even easily shreds large entanglements that would immediately block the circulation pumps in the digesters of sewage treatment plants. The XRipper therefore protects against operational interruptions and disruptions in channels or sewage treatment plants.
Adapted to the requirements of waste water technology, the XRipper is available in three different designs. Aside from the extremely easy to maintain XRS series, the XRipper XRP series is also an excellent choice. It was specially designed for inline installation in pipe systems where space is limited, while the XRipper XRC series was specially designed for use in open channels and/or upstream from intake or discharge structures. Thanks to the flexible Sewage Integration Kit (SIK) the XRipper XRC can also be easily positioned against slanted or rounded walls, with removal being equally straightforward. All XRippers share this in common: the shredding tools, called Ripper rotors, rotate at a low speed. This means that the XRipper delivers extremely high torque for shredding even at low drive power. At the same time, the Ripper rotors clean themselves, as a result of rotating at different speeds. Thanks to the XRipper's contact-free functional principle, power consumption during idling is minimal. The XRipper's user-friendly maintenance and service concepts are tailored to enable rapid maintenance. Even parts can be easily replaced without hassle on-site by sewage treatment plant personnel or by a service partner.

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XRipper - for an economical grinding of solids and foreign matter in fluids

The XRipper, the twin-shaft grinder from Vogelsang, has been designed for an economical grinding of solids and foreign matter in fluids. It can be used in industrial waste water plants or even in different processes in the chemical, food or recycling industry. Thanks to their robust Ripper rotors, the XRipper grinds different material without any problem of blockages and protect efficiently other system components as pumps. As others Vogelsang products, the design of the XRipper follows the QuickService concept, making the maintenance a very easy and fast job.
We offer some options as for example ATEX design, which allows the XRipper to be installed in explosive atmospheres in the chemical industry, or a Sewer Integration Kit, which makes the installation of a XRipper in an industrial wastewater in the food industry much easier.

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The monolithic Ripper rotors are made of a high-quality steel block. They transfer the torque evenly from the shaft to the rotors, thereby enabling an even greater load. Service and maintenance work can be completed in a short time because far fewer individual parts need to be replaced when changing parts.

Additional information:
The axial wear plates of the XRipper are equipped with a counter-cutter that largely prevents disruptive matter from passing through the XRipper without being shredded. The result: even, reliable shredding.
As a result of the different rotational speeds of the two XRipper shafts, the XRipper rotors clean themselves. Material that has settled in the gaps between the Ripper rotors is actively raked out. This avoids clogging of rotors and any resulting reduction in flow rate.
The shafts and rotors of the XRipper are dimensioned with maximum diameters. Both together make the XRipper torsionally stiff and resistant to blockage.
The XRipper housing features a rigid design. This lays the foundation for the long lifetime of the bearings and gearbox.


To adjust to the size-reduction ratio, Ripper rotors are available with blade widths ranging from 6-11 mm. They are made of hardened special steel as standard, and are also available in stainless steel for use in chemically aggressive media.
Flow-optimized housings are available for selection for the XRipper XRP and XRipper XRC. This means maximum throughput with the smallest possible dimensions as well as low operating and investment costs.
An ATEX-compliant version can be supplied for use in areas subject to explosion hazards.
Depending on the series, the components of the XRipper chamber are produced from gray cast iron (XRS) or steel. Alternatively, they are available in stainless steel and/or cast stainless steel. The Ripper rotors and axial wear plates are made of highly wear-resistant special steel and are also available in a stainless steel variant.
The XRipper is usually driven by a geared motor and/or a parallel shaft geared motor. Suitable versions are also available for operation in temporarily or permanently flooded conditions. Alternatively, the XRipper can be driven by a hydraulic motor.
For long designs and/or if hard blockages are to be expected, the QD design gives the XRipper additional stability thanks to an additional, third support bearing – this prevents shafts from bending and the Ripper rotors from touching. Nevertheless, the QuickService functionality remains: maintenance and service are performed quickly and easily on-site.
The connector box available for the XRipper XRS and XRipper XRP allows for heavy material, such as stones and metal parts, to be separated out upstream from the XRipper, thereby avoiding blockage of the XRipper.
The SIK enables the XRipper XRC to be directly positioned in the channel and/or upstream of the inlet or discharge, as well as in front of slanted or rounded walls. Guide rails allow the complete XRipper to be lifted upwards and out for service and maintenance, and replaced again without an additional retaining ring.

Installed directly in the fluid current, the waste water (or other flowable medium) passes through the XRipper virtually without hindrance. Thanks to the generously dimensioned housing, pressure loss is minimal. Solid matter and foreign matter arrive at the XRipper along with the fluid flow, and are then guided into the central area, to the Ripper rotors. These take hold of the disruptive matter, draw it in, and shred it. In the process, solid matter is ripped, the sharp edges cut long-fibered material to pieces, and coarse and brittle components are ground up. The size-reduction ratio is adjusted by modifying the width and contour of the Ripper blades. With low speeds and high torque, the XRipper only requires low drive power to efficiently prevent clogging, blockages and damage to downstream pumps and valves.

A variety of different drive options are available for the XRipper. In most cases, geared motors and/or parallel shaft geared motors supply the drive power. Suitably equipped versions are available for operation in temporarily or permanently flooded conditions. Alternatively, the XRipper can be driven by a hydraulic motor. Possible construction variants include:

Drive power via geared motor (XRipper XRS)

  • Power transfer via coupling
  • Mounted on a torsionally stiff motor base


90° tilted version – geared motor (XRipper XRS)

  • Drive power via geared motor
  • Power transfer via coupling
  • Mounted on a torsionally stiff special base


Drive power via parallel shaft geared motor (XRipper XRS | XRP | XRC)

  • Mounted directly on the drive shaft of the XRipper
  • Mounted on a torsionally stiff special base


Hydraulic motor (XRipper XRS | XRP | XRC)

  • Drive power via directly flanged-in hydraulic motor
  • No base required

Submersible motors (XRipper XRP | XRC)

  • Drive power via submersible motor
  • with standardized IEC adapter, constructed to be water-tight on a special parallel shaft gear reducer
  • For operation in temporarily or permanently flooded conditions

Case Studies XRipper

Case Study - Scottish Water Services Grampian - XRipper

XRipper XRC186-520QD SIK: Reduction of twin shaft grinder maintenance costs

Problem: Frequent and expensive maintenance required on existing equipment
Solution: XRipper XRC186-520QD SIK

Read the Case Study

Case Study - Gespringwasser Schmalkalden - XRipper XRS100-90Q

XRipper XRS100-90Q: Reduction of cleaning intervals

Problem: High amount of maintenance required due to entangled material
Solution: XRipper XRS100-90Q

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Case Study - Environment agency in Osan - XRipper XRS186-260QG

XRipper XRS186-260QG: Shredding of coarse matter for trouble-free pumping of wastewater

Problem: Blockages and clogging in centrifugal pumps caused by coarse matter in the wastewater
Solution: XRipper XRS186-260QG – designed specifically for installation in shafts

Read the Case Study

Case Study - Verbandsgemeinde Wonnegau - XRipper XRP136-140Q

XRP136-140Q: Reliable shredding of coarse matter in domestic waste water

Problem: Pumps being clogged by wet wipes and sanitary products
Solution: Retrofitting of the XRipper XRP136-140Q

Read the Case Study

Case Study - Duelmen - XRipper XRC136-560QD

XRipper XRC136-560QD: Reliable shredding of coarse matter in domestic waste water

Problem: Clogging of wastewater pumps by textiles & wipes
Solution: Retrofitting the XRipper XRC136-560QD with Sewer Integration Kit (SIK)

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Case Study - Lautertal municipality, pumping station Hoergenau - XRipper XRP136-560QD

XRipper: Trouble-free waste water transport despite hygiene articles

Problem: Clogging of pumps by modern hygiene articles
Solution: Retrofitting of the XRipper XRP136-560QD

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Case Study -Tuscan municipal company - XRipper

Avoid high cost for disposal of decentral screenings in lifting stations

Problem: High costs for handling and disposal of screenings in wastewater lifting station
Solution: Vogelsang XRipper ® XRP

Read the Case Study

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