Cryogenic Flanged Full Port Floating Ball

C77


Size Range
3” - 8” (DN80-DN200)
Pressure Range
Class #150, 20 bar, 290 psi

DIN PN 16 full port Flanged end connections

Efficient heat transfer

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

Stem

■ ‘Blow-out’ proof

■ Solid one-piece stem

■ Tight stem-to-ball engagement

■ High torque durability

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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

Downloads

C77 Series- technical drawing
EN
IOM
EN
ES
Product Line Brochure
EN
ES
CN
DE
Cryogenic Catalogue
EN
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