... capacity of the gas cylinder:6.8L 2.Working pressure: 30Mpa 3.ISO9000,14 Positive pressure air respirator (RHZKF6.8/30)It is necessary for the ... , working pressure is 30Mpa, service time≤60min, the total weight is 10kg. Other aspects is according to the standard GA124-2004"positive pressure air respiratorresuscitator". Positive pressure air respirator ...