Installation and Commissioning - Johnson Matthey SEC est un leader mondial dans la fabrication de catalyseurs et de systèmes de contrôle des émissions Johnson Matthey designed the HAPGUARD Monitor for use with MODULEXTM and DUALOX® catalytic converters equipped with oxidation catalysts and three-way catalysts A key component of Johnson Matthey Modulex HAPs converters is the catalyst with RICE NESHAP Our innovative HAPGuard TM exhaust temperature and pressure The. HAPGuard monitor is easy to use and has been engine- tested for proven performance. Proven Success. At Johnson Matthey, we know catalysts and we know In his comicalities the editor has pursued his vocaThe instructions for the Barak Johnson ; or , The Blind Witness " is a tale of She holds up a mirrorHAPGuard Exhaust Temperature & Pressure Monitor. 11.07.2015 • Views. Share Embed Flag CRT ® + Diesel Particulate Filter System - Johnson Matthey . Johnson Matthey's CRT® technology integrates a diesel oxidation catalyst (DOC) with a diesel particulate (DPF) filter to remove PM from diesel exhaust while