PD Toys plastic Co., Ltd is OEM & ODM manufacturer of inflatable products in the mainland of China with more 17 years of manufacturing experience. products ranges are Inflatable Toys, inflatable pools, inflatable Pool Floats, towable tubes, air furniture and Promotional Items etc. total have more than 1500 employees (4 factories) related to PVC inflatable products.
Operated under ISO 9001:2015 management system, We had passed factory Audit by Walmart, Taret, Disney ect, also passed all necessary certificates and testing such as ICTI, BSCI, SEMTA,Target FA, NBC Universal, FCCA, SGS, CVS Security, GSV, Disney FAMA ect. We have our own PVC raw materials manufacturing company, all the PVC we produced are compliance with European EN71, American ASTM standard and NON PHTHALATE (6P) standard.
Swimming Ring,Inflatable Swimming Rings,Kid Swim Ring,Swim Ring for Kids Lixin Outdoor Product Co., Ltd , https://www.jmairfuniture.com
Floating ball valve main features and structural features
Floating ball valve is characterized by the main ball without the support shaft, the ball is two seats holding the "floating" state, which is mainly used in the pipeline to cut off, distribute and change the direction of medium flow. The main features of the floating ball valve seat seal design, reliable sealing valve stem seal, fire electrostatic function, automatic pressure relief and locking devices and other structural features. Floating ball valve for: chemical, petroleum, natural gas, metallurgy, and other industries and containing hydrogen sulfide medium, impurities, serious corrosion of natural gas long-distance pipeline. Floating ball valve's main structural features are: 1. The valve is provided with open and close position instructions; 2. Locking device; 3. Stem fly-proof structure; 4. Antistatic device; 5. Fireproof structure; 6. Unique seat sealing structure ; 7. flange (body and left body connection) no leakage structure.