国产成人无码av在线播放无广告-人人九九精-国产999久久久-日本免费一区二区三区四区五六区-满春阁精品a∨在线观看-亚洲欧美成人综合图区-久久精品在线观看-亚州男人天堂-蜜桃视频在线观看免费网址入口-性做久久久久久免费观看欧美-自拍偷拍99-亚洲国产精品久久久天堂麻豆宅男-97成人在线-美女av在线播放-国产精品宾馆在线精品酒店-色资源在线观看-真人做爰高潮全过程毛片-91免费观看视频在线-一区二区不卡视频-久久影库

Valve Balls

PRODUCTS > Other Balls > Valve Balls

Valve Balls
















 

Valve Balls

  Our company specializes in the production of various materials of spherical valves: including ordinary valve balls (straight-through balls), L-shaped balls (bent-through balls), three-way L-shaped balls, three-way T-shaped balls, etc. The main dimensions of the products range from DN3 to DN60. The materials of the products are primarily 304, 316 stainless steel, with 45# carbon steel, 201, 316L stainless steel as secondary options.