The top entry ball valve is designed as an integrated valve body.
Its support and ball rod fixed by an upper-assembled pivot and an integrated pivot respectively and the integrated high-strength ball rod ensure an accurate ball positioning.
The unique technology of retractable valve seat is adopted, realizing online replacement of valve stem, valve stem seal rings, metal valve seats and preloaded springs.
Main Parameter Specification
Design and Manufacture：API 6D,ASME B16.34(BS5351),API 608,MSS-SP-72
Face to Face Dimension：Manufacturer’s specification
Flange Connection Dimension：ASME B 16.5,NPS 26”≥Per as ASME B 16.47
BW Connection Dimension：ASME B16.25
Test and Inspection：API 598,API 6D
Fire-Safe Design:API 607/6FA
Anti-Static Design&Anti Blow-Out Stem
Body material: carbon steel, stainless steel, alloy steel
Full bore and reduced bore design
End Connection: RF,RTJ, BW
Pressure range: Class150~1500（PN16~PN250）
Working temperature: -46℃~+200℃
Operation :Handle, Gear, Electric actuator, etc