By default, the sampling bottle of liquefied petroleum gas sampling bottle consists of steel cylinder, valve, explosion-proof pressure relief device and operating handle. Adopt one-step spinning forming technology, welding-free, 3 16L stainless steel; Excellent corrosion resistance and high temperature resistance. The wall thickness of the sampling cylinder is uniform, the inner surface is passivated by pickling, and the inner wall is smooth and easy to clean. With over-voltage protection function, equipped with explosion-proof pressure relief device. More than ten kinds of accessories can be purchased to meet the sampling requirements of complex factors such as different environments and media. For the sake of safety, a pressure gauge is necessary.