Natural gas valve This series of natural gas valve belongs to the pilot piston valve. The main valve and pilot valve composed of two parts. The main valve from the valve seat, the main valve disk, piston, spring and other components. Pilot valve mainly by the valve seat, disc, diaphragm, spring, adjusting spring and other components. By adjusting the spring pressure to set the outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pilot valve opening and closing drive piston to adjust the size of the main valve throttle flow area, to achieve decompression regulator function. This product is mainly used for gas pipeline, such as air, nitrogen, oxygen, hydrogen, liquefied gas, natural gas and other gases.
UV sterilizer can be use in office,home. Use for surface sterilizing such as table, documents, etc, it can be also use as air sterilizer. Moreover, Ultraviolet-ray sterilizing is one of the cleanest, most non-pollution, non-chemical, without any color and odor and leaves no residue. Ultraviolet-ray is also able to kill virus and bacteria in a natural way. Still have an advantage is ultraviolet ray sterilizer volume is small, the home is used also very convenient.
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