SJD Trading is exclusive agency of FireSafeTec GmbH in China and licensed distributor in Asia. * FireSafeTec is a German based company with all parts made in Germany, high performance & reasonable price * For 30 years, FST specialize in development. designing and manufacturing flame arresters. breathe valves * Our products are widely used in petroleum, chemical pharmaceutical industries and filling station ect explosive areas. * All products are certified by a third party IBExU as per EC Directive 94/9/EC and approved to meet CE conformity. * FireSafeTec are long-term business partners with German Siemens and ABB ect world top 500 Explosion Group: IIA1 MESG>1.14mm Nominal Diameter: 2" to 3" Material: metal foil element: stainless steel housing: ductile iron stainless iron Coating: galvanised or painted