The high pressure cavity connected with the cylinder of oxygen pressure reducing valve, low pressure chamber for gas exports, and to use the system. High pressure table for the cylinder value for the pressure of the gas storage. The low pressure table of outlet pressure can be controlled by the adjusting screw. 1, first open the cylinder when using master switch, and then clockwise (low pressure gauge pressure adjustment screw, compress the main spring and transmission film, spring block and ejector and open the valve. Such imports of high-pressure gas by the high pressure chamber after the throttle pressure into the low pressure chamber, and the export system to work. 2, turn the adjusting screw, change the height of the valve to open, so as to regulate the amount of by high pressure gas and achieve the required pressure value. 3, pressure reducing valve is equipped with safety relief valve. It is to protect the pressure reducing valve and the safe use of devices, is also the pressure reducing valve malfunction signal device. If the valve pad, damage to the valve, or due to other reasons, cause the outlet pressure to rise and more than a certain permission value, safety valve will automatically open the exhaust. 4, oxygen pressure reducing valve installation use notice: ( 1) According to the requirements of different, there are many specifications oxygen pressure reducing Industrial Valves. The highest inlet pressure mostly, the minimum inlet pressure not less than 2 of outlet pressure. 5 times. Outlet pressure and specifications, as commonly, top outlet pressure is. ( 2) Installing a pressure reducing valve shall determine whether the connection specification is consistent with the sub cylinder and use the system. Pressure reducing valve and cylinder adopt the half spherical connection, screw the nut on the two perfectly match. Therefore, when use should remain on the surface of the two hemispheres is bright and clean, in order to ensure a good airtight effect. Before the installation can use high pressure gas blowing dust. When necessary, can be materials such as ptfe gasket. ( 3) Oxygen pressure reducing valve should be forbidden contact grease, in order to avoid fire accidents. ( 4) Stop working, pressure reducing valve should be residual air in the net, then loosen the adjusting screw to avoid elastic element compression deformation for a long time. ( 5) Pressure reducing valve should avoid impact vibration, cannot be in contact with corrosive substances. 5, and other gas pressure reducing valve to the attention of the problem: some gases, such as the permanent gas such as nitrogen, air, argon, oxygen pressure reducing valve can be used. But there are some gases, corrosive gases such as ammonia, requires special pressure reducing Industrial Valves. Common on the market there are nitrogen, air, hydrogen, ammonia, acetylene, propane, steam and other special pressure reducing valve. Use method and matters needing attention of the pressure reducing valve and oxygen pressure reducing valve are basically the same. However, should also be pointed out that: special pressure reducing Industrial Valves is generally not to be used for other gases. In order to prevent misuse, and some special pressure reducing valve between the cylinder and the use of special connectors. Such as hydrogen and propane adopt left thread, also known as a reverse thread, when installation should pay special attention to.
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