TRUNNION MOUNTED Ball (API 6A)

The ball is mounted on a trunnion which supports the pressure load. The seats are spring energized, to allow tightness at low pressure, while at high pressure, the seats are energized by the pressure itself. Body construction is three pieces, bolted joint, made by forging, forged or rolled bar.
STANDARD DESIGN
API 6A

BODY JOINT
Split Bolted Body

FACE TO FACE
Face to Face and End to End dimension as per API 6D or ASME B16.10

END CONNECTION

  • Butt Weld BW
  • Flanged RF or RTJ
  • Clamp or Hub as customer drawings
PORT
Full or Reduced Bore

RANGE SIZE
Nominal Ball Bore 1 13/16” to 16 3/4”

RATING CLASS DESIGNATION
API 2,000 to API 20,000

  • Side Entry
  • Soft Seat
  • Metal to Metal Seat
  • High Temperature Service
  • Low Temperature and Cryogenic Service
  • Double Block & Bleed
  • Buried Installation
  • Design and construction according to ASME 16.34, ASME VIII
  • Fire Safe Design according to BS 6755-2, API 6FA and API 607
  • Antistatic Device
  • Hand or Motor operated: recommended rim-pull handle forces according to EN ISO 12570
  • Anti Blow-out System
  • Uni-dlrectional Flow (optional)
  • Stem Extension (optional)
  • Locking Device (optional)
  • Field Replaceable Stem Seals
  • Drain Plug and Vent/bleeder
  • Emergency Sealant Injection (optional)
  • Lifting Lugs and Supporting Feet on 6″ and larger valves