![](/data/file/upload/636965632347936838ye.jpg)
![](/data/file/upload/636965632347936838ye.jpg)
![](/data/file/upload/636965632347936838ye.jpg)
Twin Welding Hose QB20
• application: used f metal welding, cutting other similar processes, delivery of gases such as air, oxygen, acetylene propane, butane, carbon dioxide liquefied gas, etc.
• stards: iso3821
• hose structure:
tube: black smooth synthetic rubber;
reinfcement: high-tension textile yarn;
cover: smooth synthetic rubber, wear resistance, ageing resistance, heat resistance, oil resistance.
• temperature range: -20℃ to +70℃
![](/website/images/protel.png)
![](/website/images/prokf.png)
• application: used f metal welding, cutting other similar processes, delivery of gases such as air, oxygen, acetylene propane, butane, carbon dioxide liquefied gas, etc.
• stards: iso3821
• hose structure:
tube: black smooth synthetic rubber;
reinfcement: high-tension textile yarn;
cover: smooth synthetic rubber, wear resistance, ageing resistance, heat resistance, oil resistance.
• temperature range: -20℃ to +70℃
![](/data/file/upload/image/20190619/20190619175021_5368.png)