What is a ball valve? A piece of ball valve and flange gate valve are the same type of valve, the difference in the closure of its pieces is a ball, the ball around the centerline of the valve body for rotation to achieve open, close a valve.
ASADAL off-grid Solar Power System is the home use generator, equipped with asadal Solar Module and international top technology battery. It can run your fan, PC and TV.
50~300W off-grid Solar Power System
Air Conditioner Solar Power System,Off Grid Solar Power System,Off Grid Solar Home System,Ac Output Solar Kit
Shenzhen Asadal New Energy Tech Co., Ltd. , http://www.asadal-solar.com