Bus should use medical oxygen plant manufactures hospital central oxygen supply installation and commissioning, and shall meet the following requirements: 1, medical gas manifolds of high and medium voltage segment should use copper or copper alloy material 2, high medical gas manifolds, pressure valves should not be used in section 3 quick opening valves, medical gas manifolds should be safe to use low-voltage power supply of medical oxygen, medical molecular sieve oxygen supply unit, you must set the emergency backup power medical oxygen exhaust vent pipe shall be connected to the Outdoor security at each branch of medical supply molecular sieve oxygen supply backflow prevention measures to be taken, should be provided with a gas supply outlet sampling ports medical molecular sieve oxygen supply source should be set to the standby unit or used in line with this code section 4.2.10 ~ Article 4.2.20 alternate air source specified. The main source of supply of medical molecular sieve oxygen machine, spare or alternate air source should be able to meet a combination of oxygen peak amount of medical and health institutions, Hebei Hospital Center with oxygen equipment | Hebei Ericsson (certified) | Hospital Center oxygen from Hebei Ericsson Medical Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) Hebei Hengshui, a leader in medical device manufacturing equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hebei Ericsson leadership with the staff warmly welcome all inquiries negotiations to create a better future Hebei Ericsson.