呼吸阀
详细说明
安装于罐顶或人孔盖上，调节罐内外压力差。它可根据不同的使用范围设定不同的开启压力，确保罐体的安全可靠，符合CB/f18564.1-2006标准，具有倾倒防溢、阻火功能。
呼吸阀正压开启压力可以根据不同的使用环境选择不同的档位，以避免在工作过程中出现溅油等事故的发生。
通径 20mm
正压开启压力 6-8KPa
13 15KPa
17-19KPa
负压开启压力 -2~-3KPa
lncorporated in all standard manhole covers, and available separately with rain cap, the 2"High Flow Pressure and Vacuum Vent Valve provides breathing for petroleum product tankers.
Aerodynamic porting facilitates extremely high throughput.
Mandatory roll over seal off, as required by the U.K. Health and Safety Executive, is included. This feature has proven its effectiveness many times in tanker rollover accidents where it has protected lives, prevented dangerous and costly spillage and prevented pollution.
Diameter 20mm
Positive pressure 6-8KPa
13—15KPa
17-19KPa
Negative pressure -2~-3KPa
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