Top Entry Ball Valve China Factory | JONLOO

JONLOO valve company supplies Top Entry Ball Valve, which is used in piping systems where the top of the valve can be removed to gain access to the ball and seats without removing the entire valve from the piping system.

Tags:

• API 6D Ball Valve
• Ball Valve
• Flanged Ball Valve

Top entry ball valves are used in piping systems where the top of the valve can be removed to gain access to the ball and seats without removing the entire valve from the piping system. Typically made from a metal casting process, top entry ball valves require specific testing to make sure there are no defects.

Standard

    Design and manufacture standard: ASME B16.34, API608, API6D and BS5351

    End flange: ASME B16.5

    Butt Weld: ASME B16.25

    Inspection and Testing: API598

    Face to face : ASME16.10 and DIN3202

    Fire Safe Test : API 607/API 6FA

Design Features

• Soft, metal or composite material seated.
• Bi-directional tight shut-off.
• Double block & bleed.
• Fire safe and fire tested.
• Low operating torque design.
• Wide range of materials and sizes.
• Spring loaded seats.
• Trunnion mounted with energized seats.
• Anti-blowout stem design.
• Suitable for above ground or below ground installation.
• Soft, metal or composite material seated.
• Light weight cast body.
• Class V shut-off.
• Graphite stem packing.
• Forged design.
• No trim in steam flow.
• Tapered profile to minimise flow induced vibration.
• Variable spray nozzle.