valve guard
1.The litter-resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve,hydra-matic transmission to be add in the valve with unique design,new stuction and optimum performance,can be used pipeline of water supply and dring with such media:fresh water ,sea water,sewage,raw water,ect.the valve should be installed at outlet of the water pump,in stapping the pump,the process of slowly closing after valve plate shuts rapidly.Can be guard effectively against the destruction water hummer,so to ensure the safe operation of the pipline.

