Purchase Qty. Reference FOB Price
1-9 Pieces US$1,340.00
10-99 Pieces US$1,320.00
100+ Pieces US$1,300.00
Product Description
Ball valve working principle The opening and closing part of the ball valve is a sphere with a circular channel, which rotates around an axis perpendicular to the channel. The ball rotates with the valve stem to achieve the purpose of opening and closing the channel. The ball valve only needs to be ...