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产品名称：双侧式气体汇流排
Double-side gas bus
双侧式气体汇流排的设计，采用主供气瓶组和备用气瓶组，双气源结构，在主供气瓶组的压力降低无法供气时，关闭主供气瓶组阀门，同时打开备用气瓶组阀门开始供气。该类型的汇流排通过人工操作实现主供气源和备用气源之间的切换，切换过程可防止停止供气现象。
Double-side gas bus adopts dual gas supply structure with a main supply cylinder group and a backup cylinder group. When the pressure of the main supply cylinder becomes too low to supply gas, turn off the valve of the main supply cylinder group, and at the same time turn on the valve of the backup cylinder group to start gas supply. This type of bus manually realizes the switch over between the main gas supply and the backup gas supply .which can avoid stop of gas supply.
结构特点：
1．开放式结构设计。
2.管路端部采用盲塞可满足扩展需要。
3.整个系统经耐压测试，安全可靠。
4.可靠墙安装或水平安装。
Open structure design
Blind plug at the pipe end for possible extension.
The whole system is after pressure test.safe and reliable.
Either wall or horizontal installation
标准配置：
1． 高压软管采用金属软导管或氧气汇流排采用金属紫铜管，乙炔汇流排采用金属黄铜管。
2． 乙炔、丙烷汇流排在输出端配置回火防止器。
3． 乙炔、丙烷汇流排使用乙炔和丙烷瓶出口端配置接瓶架，丁字扳手和接瓶器。
Flash-back arrestor at the outlet end of the acetylene and
propane buses.
High-prassure hoses are metal hoses.or oxygen bus uses
red copper pipes and acetylene bus uses brass pipes.
For acetylene and propane buses.rack.T-shaped wrench
and bottle continuing davice are fitted at the outiet end of
the acetylene and propane cylinders.
Adopting pressure regulator with super big flow.