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Jamesbury® EasyFlow J9 Series Full Bore Flanged Floating Ball Valve


Jamesbury® J9 series full bore flanged floating ball valves are an economical option to our fully featured products. J9 series provides long, reliable life and a rugged two-piece body construction. The standard valve includes the most common materials of construction as well as performance improvement features such as live-loaded stem seals and direct mount actuator capability. Cavity fill option is available for industry applications requiring minimum volume of residual media trapped between the seats.


  • Long cycle life
  • Easy to maintain
  • Single source responsibility with reliable Neles actuators, switches, and controllers
  • Compliance with industry standards


  • Unique low torque seat design provides bubble-tight shut-off through pressure and temperature cycles
  • ISO 5211 mounting pad for direct mounting of handle, gear operator, manual override, or actuator
  • Internal entry blow-out proof stem design
  • Live-loaded spring stem seal provides long cycle life and low emissions with minimal maintenance
  • An extremely tight fit drive between the stem and ball ensures accurate and repeatable shut-off and control
  • Anti-static grounding between ball and stem as well as stem and body
  • Lockable handle available
  • Cavity fill option minimizes media trapped in the cavity between the seats when the valve is open
  • Every valve is 100% factory tested before it is packed and shipped


  • Chemical and petrochemicals
  • Pulp & paper
  • Food and beverage
  • Water & wastewater
  • Pharmaceutical
  • HVAC
  • Mining

Additional Info


Nominal diameter:
DN15 – DN200 (NPS 1/2 –8)
Pressure rating:
Class 150 and Class 300
Flange accommodation:
ASME B16.5
Face-to-face length:
ASME B16.10
Vacuum rating:
Up to 20 inch Hg gauge or 26 kPa(a)
100% tightness at full differential pressure rating
Standards followed:
ISO 17292, ASME B16.34, API 598, BS EN 12266

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