Innovations
PROTEGO® devices are designed with process safety as the primary objective. Our standard and custom-made solutions comply with current national and international guidelines.
A Family Business with a tradition for innovation, becomes the global market leader.
2022 - Commissioning of the MESG Laboratory
2021- Start-up of the flow test rig for high flows
2020 - Opening of the PROTEGO® Technology Center
2019 - Market launch of In-Tank Valves - PROTEGO® ITV
2018 - Market launch of PROTEGO® ExU, the first controlled in-line deflagration flame arrester
2017 - Market launch of the world’s highest flow capacity pilot-operated valves
2016 - World’s first in-line liquid detonation flame arrester for higher temperatures
2015 - World’s first in-line detonation flame arrester for H2/O2 mixtures for higher pressure
2013 - World's largest in-line deflagration arrester approved for explosion group IIA (NEC group D) – DN 1000 (40”) flange connection
2012 - World’s largest in-line detonation arrester approved for explosion group IIB1 – DN 1000 (40”) flange connection
2011 - World’s largest in-line deflagration arrester approved for explosion group IIA – DN 1000 (40”) flange connection
2008 - Approval of hydrogen deflagration and detonation arresters
2006 - World’s first in-line detonation arrester type tested and approved for carbon disulphide
2005 - Development of first static, endurance burning flame arrester for ethanol and ethanol based fuels
2004 - Development of the first detonation arresters for acetylene and ethylene oxide
2003 - Development of first static type, endurance burning rated flame arrester for explosion group IIB3
2002 – Development of flame arresters for elevated pressures and temperatures
2000 - Manufacturing the broadest range of type approved flame arresters globally
1998 - Introduction of ATEX quality assurance for flame arresters | Our flow test facility was renewed and has been technologically improved ever since
1997 – Development of low pressure valves with full lift type pallets (PROTEGO® 10% Technology)
1995 – Enhancement of the effectiveness of detonation arresters through the pre-ignition effect and shock-wave guide tube
1994 - The quality management system is certified under ISO 9001
1991 – Development of integrated flame arresters for blowers and vacuum pumps
1982 - First approval for hydraulic flame arresters
1978 – Approval for deflagration flame arrester with temperature monitoring
1977 - Development of our own research/testing center for flame arresters, up to 12” in size
1975 – Development of pilot-operated valves, bottom outlet valves and safety vent valves
1967 - Approval of hydrogen deflagration and detonation arresters
1965 - Our first flow measuring system was put into operation
1964 - The world’s first endurance burn proof diaphragm valve was put on the market | Development and patenting of the first detonation arrester for liquid products
1959 - First construction phase of Braunschweiger Flammenfilter in Bienrode, Germany
1955 - The world’s first tank vent with integrated flame arrester, rated for endurance burning is developed
1954 - Robert Leinemann establishes Braunschweiger Flammenfilter | Development of Tank Equipment, e.g. Floating Suction Units and Floating Roof Drainage Systems
1929 - The world’s first detonation flame arrester, developed by Robert Leinemann is patented