Fire fighting UL Standard 350PSI Swing Check Valve fire protection Grooved end

一、Certificates: UL listed

二、Application: High-rising building fire fighting system, near fire pump

三、Purpose: To prevent the water flow back

四、Technical specification:
Construction: Swing check type
End connection: Groove at both side
Groove standard : Metric or AWWA C606
Normal pressure:350 PSI
Model : MH-XQH-350G
Normal size: 2’’-8’’
Surface: Epoxy resin coating both inside and outside the body

五、Product feature
It is suitable for supply and drain line.
It is very flexible to open and close the valve .
It can be installed both horizontal and vertical direction with upward flow
The disc is uploaded by spring to decrease the water hammer pressure when closing quickly . Sealing propertity is better
No noise when closing

六、Advantage
Small volume, light weight, small hydraulic resistance .
Better antifatigue ability.and Longer lifetime
Easier and faster to maintain and install