





RIFENG Multilayer Gas Piping System includes multilayer pipes, fittings, and brass valves.
It’s designed for carrying both Natural Gas (GN) and Liquefied Petroleum Gas (LPG), making it great for homes, businesses, and industries needing to move gas around safely.
| Performance | Index | More info |
| Working pressure | PEXIAL/PEX:1.0MPa PE/AL/PE:0.5MPa | The highest pressure is 0.5MPa |
| Working temperature | PEXIAL/PEX:-20℃-95℃ HDPE/AL/HDPE:-20℃~60℃ | The highest temperature is 60℃ |
| Burst pressure | 12mm-25mm>6.0MPa 32mm-75mm>4.8MPa | Far more beyond the gas piping required pressure, safe enough |
| Fire resistant | PEXIAL/PEX:C-S2,D0 rating | according to EN 13501-1 |
| Flame retardant | Ignition 60s,10s self-extinguishing | required within 30s |
| UV resistance | PEXIAL/PEX: stress at break (aged/not aged specimens)≤4.59% | UNE 211605:2013 ≤30% required |
| PE/AL/PE:UVA340 0.76W/㎡ 1100h irradiation, product tensile strength attenuation≤5.35% | <10% required |