C47-BD Cryogenic Bidirectional Ball Valve
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C47-BD Cryogenic Bidirectional Ball Valve

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Special mechanical design and construction
  • Solid one-piece high torque durable stem.
  • Tight stem-to-ball directional engagement, ensures relief hole alignment.
  • Strict materials and manufacturing tolerances control.
Efficient heat transfer
  • A narrow space between the extension ID and the stem OD allows the
    stem seal to remain at an ambient temperature.
No-Trap Cavity
  • Relief hole on the upstream sphere of the ball to prevent pressure buildup in the cavity.
  • Single-side or self-pressure-relief sealing for bidirectional full pressure service.
Flexible bonnet installation angle
  • Up to 45° from the vertical axis for the 12” bonnet (per BS6364 guidelines).
  • Up to 15° from the vertical axis for the 6” bonnet (not BS6364 compliant).
Flow direction indicators (for valves with preferred flow direction)
  • Highly visible arrows on body and bonnet top.
  • “T” mark on the stem, showing relief hole direction.
  • Double isolation / double block and bleed designs available upon request
  • Clean assembly and packing
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Description

Size Range: 1/4″ – 8″ (DN8 – DN200)

Pressure Range: Class 300/150

Design Features

  • Solid one-piece high torque durable stem
  • Tight stem-to-ball directional engagement, ensures relief hole alignment
  • Strict materials and manufacturing tolerances control

Efficient Heat Transfer

  • Narrow space between extension ID and stem OD allows the stem seal to remain at an ambient temperature.

No trapped cavity

  • Self-pressure-relief sealing for bidirectional full pressure service.

Flexible bonnet installation angle

  • Up to 45° from vertical for 12” bonnet (per BS6364 guidelines).
  • Up to 15° from vertical 6” bonnet (not BS6364 compliant).

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