This paper introduces the structure, composition, working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base.

介绍了YSP - 15型钢瓶瓶阀座自动焊接装置的结构、组成、工作原理及设计的主要特点。

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Take an empty two-liter soda bottle, wash it out, fill it with water, screw the lid on tightly and set it into your toilet tank, as far away from the flapper valve as possible.

拿一个两升的空汽水瓶，洗干净，装满水，旋紧盖子，放进马桶的水箱里，离舌形阀越远越好。

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Safety bolt is set on the valve body, when the pressure in the cylinder is too high, safety diaphragm will burst automatically to ensure the safety accident cases, for the safety of the bottle.

瓶阀体上设安全螺栓，当气瓶内压力过高时，安全膜片将自动爆破泄压以确保意外情况下瓶的安全。

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