Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders. Use a check valve to prevent reverse flow into the cylinder.
使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。采用止回阀，防止回流入钢瓶。
2
When the valve of protection for the loss of gas is turned off, you must select a single role of the reaction cylinder.
当阀门的保护方式为失气关闭时，必须选择单作用的反作用气缸。
3
This valve allows the cylinder to contain gases and allows gas to be filled into or emptied from the cylinder.