The KRYG1B4F strainer is an indispensable device in the pipe system that conveys gas and other media. It is generally installed at the inlet of gas equipment to remove the impurities in natural gas, liquefied petroleum gas and other media, protecting the valves, flow meters and pressure control devices, and so on. KMOs strainer has advantages of advanced structure, low resistance and convenient sewage discharging. The applicable media includes liquefied gas and natural gas. According to user needs, the filter element is made of stainless steel with good firmness and durability. The meshes of the filter screen can be set according to user needs, generally select-able between 80~700 meshes. The connection ways include flange and screw. The strainer can be optionally equipped with a differential pressure gauge, which can remind the user when it needs to clean.