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China Hollow Balls for Ball Valves factory and manufacturers | Xinzhan

The hollow ball reduces the load of the spherical surface and the valve seat because of its lighter weight, which helps to extend the service life of the valve seat. For some very large sizes or constructions, solid ball would not be practical. Hollow valve balls can be also make floating type or trunnion mounted type, two way or multi-way type. The two most important characteristics of the valve balls are the roundness and the surface finish. The roundness must be controlled especially in the critical sealing area. We are able to manufacture valve balls with extremely high roundness and high surface finish tolerances. Keywords of Hollow Valve Balls: Hollow balls, hollow valve balls manufacturer, hollow valve balls, pipe welded valve balls, three way hollow valve balls, L-port hollow valve balls, T-port hollow valve balls, china hollow valve balls. Specification Size: 1”-20” ( DN25mm~500mm) Pressure Rating: Class 150 (PN6~20) Materials: all kinds of stainless steel pipes or steel. Surface: Polishing. Roundness: 0.01-0.02 Roughness: Ra0.2-Ra0.4 Concentricity: 0.05 Processing Steps 1: Ball Blanks 2: PMI test 3: Rough Machining 4: Inspection 5: Finish Machining 6: Inspection 7: Polishing 8: Final Inspection 9: Marking 10: Packing & Logistics Applications: Xinzhan hollow valve balls are used in various ball valves which are used in the fields of water treatment, heating pipe system, etc. Major Markets: Russia, South Korea, Canada, United Kingdom, Poland, Denmark, Germany, Finland, Czech Republic, Spain, Italy, Brazil, United States, etc. Packaging & Shipment For small size valve balls: blister box, plastic paper, paper carton, plywood wooden box. For big size valve balls: bubble bag, paper carton, plywood wooden box. Shipment: by sea, by air, by train, etc. Payment: By T/T, L/C. Advantages: - Sample orders or small trail orders can be optional - Advanced facilities - Good production management system - Strong technical Team - Reasonable & cost-effective price prices - Prompt delivery time - Good after-sales service

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