Series is a central control operating room operating room electrical, lighting, air conditioning centralized control of a professional medical gas, fixed modules. Centralized control module contains a clock, count clock, telephone, master screen, air conditioning control, medical gas monitoring altogether six modules. Any combination of the above modules. One of the main and auxiliary surgical lights, background music and three Medallions switch control; 2, with background music switch, and can be adjusted by its volume buttons; 3, fire alarm can be connected to the duct damper, timely for fire alarm sound and light; 4, the system is normal, the system can monitor fault isolation transformer, IT systems, the electrical load is normal, can also be used as back-up using 5, test, only the ring used to test the alarm system is working and pause sirens influence function with medical gas alarm board. Water ring vacuum pump (referred to as the water pump) is a rough vacuum pump, the English name of water ring vacuum pump. It is available to ultimate vacuum of 2000 ~ 4000Pa medical gases, atmospheric jet series of up to 270 ~ 670Pa. Water ring pumps are also used as a compressor, called water ring compressor medical gas installation works, is part of the low-pressure compressor, the pressure in the range of 1 ~ 2 × 105Pa gauge pressure. Overview water ring vacuum pump water pump initially used as a self-priming pump. By the impeller, pump, suction and exhaust tray, water pump water wall to form a ring, the intake port, exhaust port, auxiliary exhaust valves and other components. It is available to ultimate vacuum of 2000 ~ 4000Pa, atmospheric jet series of up to 270 ~ 670Pa. The water ring pump is also used as a compressor, a known water ring compressor, belongs to the low-pressure compressor, a pressure in the range of 1 ~ 2 × 105Pa gauge pressure. Medical gases medical gas equipment _ _ Hebei Ericsson Ericsson provided by Hebei Medical Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hebei Hengshui medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!