Chronicle

The Raab Group celebrates the 125th anniversary of Joseph Raab GmbH & Cie. KG in Luckenau.

The filter attachment for draught regulators is presented.

The corporate identity of the Raab Group undergoes a revision. After the purchase of Kutzner + Weber GmbH and NET – Neue Energie-Technik GmbH, the logos remained unchanged for many years. Now the group idea is coming more to the centre of attention.

Rolf Wagenfeld, Managing Partner of the Raab Group, hands over overall sales and marketing management as well as product management to Alexander Root, who becomes Deputy Managing Director in the Raab Group.

The fine dust particle separators of the Airjekt 1 model series are presented. Die Feinstaubabscheider der Modellreihe Airjekt 1 werden vorgestellt.

The draught regulators DrafBox and DraftBox light are presented.

The Linejekt industrial fan for commercial and industrial installations complements the chimney fan portfolio.

Exhaust gas switches are presented on the market.

The Raab Group is expanding its product range through the acquisition of a heat recovery specialist: NET New Energy-Technology GmbH from Puchheim near Munich has been active in the heat exchanger business for more than 20 years and brings with it industry expertise in the project planning, construction and servicing of heat recovery systems.

The Airjekt 1 fine dust particle separator is presented at the ISH.

The AirSpeedy chimney fan for stoves and heating inserts in the low output range is presented.

The Diajekt chimney fan for industrial and commercial facilities is presented.

The IK 250 implosion damper is launched on the market.

Rolf Wagenfeld takes over the management of the Raab Group

Born in Bremen, he has known the Raab Group since 2001 as a member of the advisory board. From 2007 he held the position of Vice Chairman of the Advisory Board, and since 2009 the position of Chairman of the Advisory Board.

KW introduces the first chimney fan model Injekt for wood-burning stoves and lays the foundation stone for the chimney fan range.

The motorised LAS exhaust flaps are presented.

Establishment and expansion of B2B business.

Further centralization measures are being implemented to increase efficiency, expand our market share and increase sales.

Development of the Raab wall, ceiling and roof bushing, the first tested fire protection element developed on the Raab test stand in Neuwied – a true bestseller with record numbers in all sales channels.

Approval of the highly corrosion-resistant flue gas systems WPG for EW, DW, EW-Alkon and DW-Alkon, these are especially suitable for biomass combustion.

Installation of a new production line for double-walled stainless steel pipes in Neuwied.

The newly established competence centre for project business and large-scale plants in Luckenau enables the production of technically demanding projects in the industrial and municipal sectors.

Proschorn Hungária Kft becomes a subsidiary of the Raab Group.

Conversion of J. Raab AG, Luckenau into J. Raab GmbH, Luckenau.

The product range of lightweight chimneys is extended by the multi-shaft LB LAS-FB, which was particularly important for chimneys that are independent of room air.

The Raab nozzle EN Plus receives the certificate as a tested wind attachment

Marketing and further development of the Zumikron fine dust particle separator from the Rüegg company in Switzerland, entry into the distribution of particle separators for flue gas cleaning.

Concentration of the divisions on the core competence of exhaust systems and exhaust technology. Sale of the grinding and dosing plant division to the Quickmix Group.

The DW-Alkon cleaning opening receives the Design+ award at the ISH.

Product expansion in the area of plaster and mortar products through special solutions. Addition of new lightweight shafts to the flue gas system range.

Expansion of the range of services in the lightweight sector to include solid roof elements.

Modernization and adaptation of the flue gas dampers program. Development of further markets abroad.

The production of hollow and solid planks is discontinued in favour of the more modern lightweight concrete prefabricated elements.

Development of special silencer solutions in licence partnership with the Fraunhofer Institute for Building Physics (IBP) in Stuttgart and Servo-Instuments (SID). Start of development work on integrated solutions for the boiler and flue gas industry, acquisition of licence to develop active silencers.

Conversion of J. Raab GmbH & Cie. KG, Luckenau, into J. Raab AG, Luckenau, Germany.

Certificate for a QM system of the DVGM/VDE of the company Kutzner + Weber according to DIN EN 46001 MPG.

Product line Alkon is supplemented with the double-walled system DW-Alkon.

Specialization in the field of flue gas noise, further development of solutions for the market.

Commissioning of one of the most modern pallet circulation systems for the production of precast lightweight concrete parts in Neuwied.

Takeover of Kutzner + Weber, based in Maisach, Germany, and addition of flue gas technology to the product range.

Certificate of the Material Testing Office for a QM system of Joseph Raab GmbH & Cie. KG according to DIN EN ISO 9001.

The services of the Bekotec company are discontinued.

Start of production at the new plant in Luckenau

The investment in a new production facility in Sachsen-Anhalt with state-of-the-art production technology in the stainless steel sector.

Development and distribution of diverse solutions for the boiler industry, as well as function-enhancing and energy-saving products for heating and flue gas technology.

Introduction of the first flue gas silencer program.

Acquisition of the company Servo Instruments Deutschland SID and thus expansion of the flue gas dampers program.

Expansion of production to include stainless steel and lightweight chimneys in system construction

In the following years, the area of chimney elements was continuously expanded.

Development and production of KW draught regulators.

In order to expand further in the area of chimney tops, complementary mortar products were added to the production range.

Production of concrete chimney tops.
Adjustment of the production of planters.
Foundation of the company Bekotec which deals with services related to concrete repair.

Relocation of the company to the new company building in Maisach.

Takeover of a manufacturer of garden and plant trays and establishment of production in Neuwied.

Further development and device adaptation of KW products. Start of licensed production in the USA Use of the motorized Diermayer dampers also for liquid fuels and extension for use as a forced secondary air device for drying chimneys.

First production of large panels for roof, ceilings and walls as a prefabricated basement.

1. energy crisis, resulting in increased use of energy-saving flue gas dampers. This was followed by the development of motor-controlled Diermayer dampers.

Publication of DIN 3388 Part 1 as a standard for thermally controlled flue gas dampers for gas fires. This was also the basis for corresponding regulations in foreign markets.

Adjustment of the production of conventional stones.

Relocation of the company Franz Weber oHG from Munich to a new building in Gröbenzell.

Further development of Diermayer dampers for gas instantaneous water heaters, publication of DVGW – Worksheet G 654 as a technical rule for thermally controlled flue gas dampers – further technical modifications and adaptation to the development of equipment technology.

Start of production of steel-reinforced ceiling beams.

Conversion of the GmbH into Joseph Raab GmbH & Cie. KG. The Strabit stone will not be reintroduced into the production program.

Production of the Diermayer dampers at the Franz Weber company in Munich. Subsequent introduction to the technical rules for gas installations, extension of the dampers to gas-fired heating stoves and introduction of the program in Austria and Switzerland (1960).

Start of plank production

After considerable efforts, it was possible to restart production.

With the end of the war, Raab also had to stop production.

Approval of the hingeless Diermayer butterfly valve by the German Technical and Scientific Association for Gas and Water (DVGW).

Patented Strabit Stone

Patenting of the so-called strabit stone, a heat-retaining pumice bitumen stone produced in a vacuum.

Invention and patent application by Mr. Diermayer for a hingeless, bimetal-controlled butterfly valve for gas-fired instantaneous water heaters, manufacture and sale of the “Diermayer butterfly valves”. Approval of this flue gas damper by various gas plants in Germany.

For the time being, a semi-automatic machine is used for stone production. Until now, it was still made by hand.

Transition from limestone to cement alluvium. Conversion of the sole proprietorship into a limited liability company.

The company grinds pumice stone for chemical applications for the first time, thus expanding its product range.

First production of pumice cement floorboards as a supplement to alluvial stone production.

Signed foundation stone

Today’s Joseph Raab company was founded as Neuwieder Schwemmstein- und Zementwarenfabrik Paul Raab.