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Cryogenic Floating Ball 3 Piece BD - Bidirectional
C47-BD
- Size Range
- 1⁄4”- 8” (DN8-DN200)
- Pressure Range
- Class #150/300, 20/50 bar, 290/750 psi
Full BIDIRECTIONAL – Full ΔP
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).
Read more
- Solid one-piece high torque durable stem.
- Tight stem-to-ball directional engagement, ensures relief hole alignment.
- Strict materials and manufacturing tolerances control.
Special mechanical design and construction
- A narrow space between the extension ID and the stem OD allows the
stem seal to remain at an ambient temperature.
- A narrow space between the extension ID and the stem OD allows the
Efficient heat transfer
- 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.
No-Trap Cavity
- 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).
Flexible bonnet installation angle
- 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
Flow direction indicators (for valves with preferred flow direction)
Downloads
C47-BD Series- technical drawing
Welding Instructions
Product Line Brochure
Cryogenic Catalogue
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