Hollow Stainless Steel Valve Balls 

Product Details Hollow Stainless Steel Valve Spheres    The hollow valve ball is another one of the  most competitive products of Zhenhong, also patented products. It includes two kinds  hollow balls, one is the sheer hollow ball, the other one is welded hollow ball.  We have an independent production line, from raw material (steel plates or  seamless tube) cutting, bending, reeling, preforming, combination, welding to finished  products machined out, plus the pneumatic pressure test make sure each ball is  in perfect condition. The hollow balls are widely assembled in low pressure ball  valves no more than PN25. Patented design technologies make us became China  largest, top & best hollow valve ball supplier in China, yearly 3,000,000pcs  on average exported to North & East Europe, Russia, etc.The valve ball is a universal opening and  closing seal in the ball valve. It is characterized by simple assembly, easy …