The floating ball developed by Chaoda has the features of reliable seat & stem sealing and fire-safe structure. Different types of floating ball valve: QA41F, QA41Y, QA341F, QA641F, QA941F and etc. Floating ball valves (Flanged general and butt-welding connection is optional) are suitable for using on various kinds of pipeline from pressure Class 150 to Class 1500, PN16 to PN100 to cut off or connect the flowing of medium. By using different material, the valves could be suitable for medium such as water, steam, oil, nitric acid, acetic acid, oxidizing substance, carbamide and etc. Manual/worm gear/pneumatic or electric actuators could be chosen by needs. Design & Manufacture standard：API 6D、API 608、BS 5351. F-T-F Dimension standard：ASME B 16.10. Flanged ends standard：ASME B 16.5、JB、BS、DIN、JIS Test and inspection standard：API 598、API 6D、ISO 5208