Knoll Maschinenbau GmbG

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The MX sweetens baked goods in the machines of Bakon Food

L1169819In the enrobing machine of Bakon Food Equipment, the MX-20-R progressing cavity pump of KNOLL Maschinenbau ensures reliable pumping of sensitive media such as chocolate and fondant. Worldwide many customers in the baked goods industry use machines from Bakon Food Equipment (headquartered in Goes, Holland) to spray or coat cakes, pralines and sweets, to glaze, plate, and cut them. Bakon’s product offerings also include complete systems, such as the “cake line”, which can plate, glaze, and cut both round and square cakes at one go.
Bakon uses the progressing cavity pump MX of KNOLL Maschinenbau to pump fondant and chocolate in a liquid state for many years. To hold the product at a constant temperature, KNOLL applies a MX 20-R-40/10 with double jacket for heating the pump unit. The main advantages of the MX are its gentle pumping characteristics of abrasive media. The feeding screw in the hopper housing supports a continuously pumping of chocolate and fondant with low pulsation.L1160100
The many advantages of the EvenWall®-technology of the stator offer the customer e.g. a high pressure stability, long lifetime and a production by low consumption. Similarly, the compact assembly length makes concessions to the small space in the enrobing machine of Bakon and enables an easy integration of the pump into the system of the machine. Get more information about the use of the MX in the baked goods industry and visit us at the IBA in Munich, from 12. – 17. September 2015 in hall A5, booth 311 – we look forward to your visit!

The countdown for ProSweets in Cologne has started

Logo_ProSweetsJust a few more days and the ProSweets opens its doors. The international supplier fair for the confectionary industry takes place from 01st – 04th February 2015 in Cologne. The fair offers a lot of innovations and technologies for the production and packaging process of confectionary products.

The progressing cavity pump MX from KNOLL Maschinenbau satisfies the requirements and needs of this industry. Due to the compact design and the execution in EvenWall® technology, the MX offers gentle product transfer, outstanding pressure stability and exact dosing properties as well as a number of other advantages for applications in the confectionary industry.

Visit the ProSweets Cologne and convince yourself of the advantages of our progressing cavity pump MX. We look forward to your visit and welcome you on our booth C071 in hall 10.1.

If you would like to visit the ProSweets, but you don’t have tickets yet, please give us a call at +49 7581 2008-353 or send an e-mail to – we’ll provide you with free entry vouchers.



KNOLL Maschinenbau wishes


The brandnew animation of the KNOLL progressing cavity pump MX

The progressing cavity pump MX form KNOLL Maschinenbau characterized by it’s modular design and it’s serviceability is the perfect solution for your application.


Impressive appearance for the KNOLL progressing cavity pump – The MX as a suction pump


Apart from numerous applications in which hygienic aspects of the KNOLL progressing cavity pump MX play a central role, the MX can also used in an extremely beneficial manner in KNOLL’s core business. One new application is the use of the MX in KNOLL‘s in-house Test Centre. Here, KNOLL tests the operability of all cooling lubricants and conveying systems.

For the wet test, the tank on the installation to be tested is initially filled with cooling lubricant from a central collection tank. All pumps, valves and other installation components are set to meet customer-specific requirements. This means that the wet testing procedure takes place largely under real conditions. If the installation test is successful, the cooling lubricant is drawn off again by a vacuum suction unit into a vacuum tank. Thanks to its excellent suction performance, the MX is able to draw off the cooling lubricant continuously from the vacuum tank even at a negative pressure of -0.7 bar and to convey it into the sludge tank of the central collection tank.

Small dirt particles, e.g. welding debris, which may have entered the installation during the production process, are no problem at all to the MX. From the sludge tank, the cooling lubricant is then routed to the attached KNOLL filter for thorough processing. When the cooling lubricant has been filtered, the circuit closes and the purified cooling lubricant is available once again in the central collection tank for a further wet test.

Without the use of the MX, the vacuum suction unit would require a considerably higher tank capacity. The vacuum would also have to reduced regularly to ensure that emptying with a conventional pump is possible.


Merry Christmas and a successful New Year 2014


Interpack Trade Show: What KNOLL will exhibit

From 12 to 18 May 2011 interpack trade show will be held in Duesseldorf (Germany). KNOLL Maschinenbau will be participating, our booth can be found in hall 4, stand 4E05. You are cordially invited to visit our booth. Pumps from KNOLL do fit very well to the “world’s most important trade fair for the packaging sector“, as it adresses also all things processing.

The wider focus on processing issues is of interest for companies in the food and beverage, pharmaceuticals and cosmetics. It offers a holistic view on the process chain featuring all aspects on processing, metering and finally packaging.

KNOLL Maschinenbau will introduce its new double spindle pump DSP. In addition, the pumps of the MX-series will be shown, including a new feature on the drives: a MX10 with stainless steel drive. Of course, all important models of the MX will be presented, too. Among them a version with double jacket for temperature control, a hopper version and of course a submerged version (for tank drainage).

All in all it may be worthwhile to stop by at KNOLL Maschinenbau in hall 4. You are very welcome and we look forward to meet you at interpack in Duesseldorf!

Knoll’s MX100 as Product of the Month

Germany’s online-magazine for process technology regularly asks its readers to choose a product of the month. In January 2011 the progressing cavity pump MX100 was standing next to three other manufacturers’ products and won with a remarkable distance (product B):

This shows how convincing the MX100 from KNOLL Maschinenbau is: The pump conveys 200,000 liters per hour at a pressure of 20 bars. With its length of only 2745mm it needs relatively little space. Highly viscous or lumpy media are no problem for this pump, nor are high pressures: Up to 80 bars are possible with the MX100.

Its good cleanability (CIP and SIP), high resistance to corrosion, different temperatures and various chemicals add up to the fact that this pump can be applied in many fields. Sophisticated production processes are supported in chemical industry, cosmetics, food and beverages, paints and coatings as well as in pharmaceuticals.

KNOLL’s MX-Pumps Meet the 3-A Sanitary Standards

The progressing cavity pumps from KNOLL Maschinenbau correspond now to the 3-A Sanitary Standard (United States of America). In addition to the EHEDG-certification the MX-Pumps now meet another very important standard of hygiene. This underlines once again the suitability of this pump for applications under the most stringent hygiene requirements.

The 3-A Sanitary Standard  goes back to the 3-A Organization founded in 1920, which was a merger of three non-profit organizations. The goal was to establish criteria for the equipment and thus the product quality of dairies. This was intended to protect the health of consumers of dairy products. Since 2002, there is also the 3-A Sanitary Standard Inc. as a subsidiary organization of the 3-A, defining mandatory standards and monitoring any compliance with them. The work of the 3-A organization is widely recognized outside the USA and no longer just used in the production of milk, but, for example in the pharmaceutical field, too.

The certification due to 3-A primarily relies on the structural features, namely the structural design, surface quality and the materials used (for example the elastomers). Even the manufacturers of the seals must comply with this and prove certification of their products. This even extends to the level of staff members involved in the production: They must be certified for certain activities themselves.

This method of certification differs fundamentally from a certification due to EHEDG, where the pump is running a trial subjected to practically similar circumstances as appearing in normal production cycles.

A special feature of the MX-Pump from KNOLL is the fact that it has received certification to 3-A in its standard version, only with very minor modifications, covering the series MX20, MX30 and MX50. For buyers of such pumps this brings a significant price advantage, as in most cases no (expensive) supplementary parts are needed. Moreover, the supply of spare parts can be kept easier and faster because the required high quality already is included in the standard version of the series.

KNOLL’s MX with EHEDG Approval

For machinery and equipment that are used in the production of food, compliance with EHEDG (European Hygienic Engineering & Design Group) is a mandatory standard which has gained wide application even beyond Europe. This is also true for pumps used in food production.

The basic aim of the EHEDG directive is to prevent the microbial contamination of food. Thus, the microbiological safety and quality of the food is taken into account. The guidelines relate to the structural design, surface finish, the materials used, cleaning ability and the prevention of penetration and the growth of microorganisms in the machinery and equipment.

As we’ve reported here on the blog, the MX-Pump is certified to EHEDG. KNOLL Maschinenbau was awarded the accompanying certificate in June 2010. A remarkable design feature of the pump was noted during the examination by the Research Centre Weihenstephan for Brewing and Food Quality of the Technical University (TU), Munich. It’s the fact that the MX, thanks to its aseptic design, usually is cleaned without an additional CIP-Pump.

Therefore bypasses and valves can be omitted. In most cases these only form unwanted dead spaces, which get traversed only in the cleaning process.

A further  hygienic advantage is the self-cleaning effect oft the MX-Pump: For emptying the pump its suction casing is fitted with a special suction nozzle that is welded horizontally and tangentially, so that the effect of self-draining occurs on the suction housing as well as on the progressive pressure joint.