150L FM200(HFC-227ea) gas fire extinguisher system 1.A ,B,electric fire 2.non-conductive,non-corrosive 3.no ... residue 150L FM200(HFC-227ea) gas fire extinguisher systemHFC-227ea ... is all in readiness and is classified for 2.5MPa,4.2 MPa,5.6 MPa according to working pressure ... in many key projects. 150L FM200(HFC-227ea) gas fire extinguisher system