Top Entry Trunnion Mounted Ball Valve
1. Design standard: API 6D, API 608, ISO 17292
2. Body material: Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy
3. Pressure range: Class 150-2500 LB
4. Nominal diameter: NPS 2-60 Inch
5. Working temperature: -29℃-350℃
6. Mode of operation: Lever, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device
7. End connection: RF, RTJ, BW
Features:
1. Piston seat, DBB design
2. Flow resistance is small, fire safe, antistatic design
3. Bidirectional seals, no limitation on the flow direction
4. Top entry design, easy for online maintenance
5. Spring loaded packing can be chosen
6. Low emission packing can be chosen according to ISO 15848 requirement
7. 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
8. Stem extended design can be chosen
9. Soft seat and metal to metal seat can be chosen