Top entry trunnion mounted ball valve

Top entry trunnion mounted ball valve Main features: Ease for online overhaul and maintenance. When valve needs to be repaired, it doesn’t need to remove the valve from the pipeline, just remove the body-bonnet joint bolts and nuts, and then move out the bonnet, stem, ball and seats assembly to repair the parts. It can save maintenance time. Design standard :API 6D    API 608   ISO 17292 Product range : 1.Pressure range :CLASS    150Lb~2500Lb 2.Nominal diameter :  NPS        2~60″ 3.Body material:Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy 4.End connection : RF   RTJ   BW 5.Working temperature :-29℃~350℃ 6.Mode of operation: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device; Product features: 1.Flow resistance is small, fire safe, antistatic design; 2.piston seat,,DBB design; 3.Bidirectional seals, no limitation on the flow direction; 4.Tope entry design ,easy for online maintenance; 5.When valve is in full open position, seat surfaces are outside flow stream that always in full contact with gate that can protect seat surfaces, and suitable for pigging pipeline; 6.Spring loaded packing can be chosen; 7.Low emission packing can be chosen according to ISO 15848 requirement; 8.Stem extended design can be chosen; 9.Soft seat and metal to metal seat can be chosen.

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