LPG SEQUENTIAL REDUCER HR-09 PARAMETERSLevel 1 pressure : 0.5~1.8 bar,Factory Setting 1.0 bar Opening pressure of safety valve: 2.8 +_ 0.5 bar | Maximum air flow: 16 m3/h | Maximum displacement or power: 4.7L, or 470HP Size & Weight: 195 x160 x115mm, 1.7kg