Professional China ball va anufacturer for API ball valve, mainly refer to API 6D ball valve are one of our main products series, which include trunnion, floating; soft seat, metal to metal seat; side entry, top entry; bolted bonnet or fully welded. Our facility has acquired API 6D certificate, and working on applying API 607 certificates. We have sernior engineers, who are very proffesional in API 6D ball valves. As professional API 6D ball valve manufacturers, we also supply tailor made ball valves..

• Upstream sealing (The upstream sealing is fulfilled by the spring pre-tightening seat to ensure the feature of self-tightness)
• Self relieving seat
• Double block and bleed
• Fire safe design
• Anti-static device
• Blow-out proof stem
• Emergency injection system for seat & stem
• Stem extension on request for special purpose
• Low emission packing design (Environmental protection)
• 2-Pc or 3-Pc body according to design request
• Extended bonnet for cryogenic service upon request