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Fully Welded

PIBIVIESSE Fully Welded ball valves are manufactured in a wide range of diameters and pressure classes.
PIBIVIESSE Fully Welded valves are specified for transmission pipelines, pumping and compression units. Fully Welded valves can be supplied in the configuration with bolted or welded bonnet.
The Fully Welded body construction allows the use of forged materials in the various grades of carbon steel complying with the most severe service conditions.

Details

Model > W
Size > 6” through 56”
Classes > 150 through 2500
Temperature > -50 °C to 210 °C

Download datasheet

Design & Features

  • Welded construction
  • Trunnion mounted ball
  • Triple barrier stem seals
  • Anti-Blow Out stem design
  • Stem separated from the ball
  • Bearing plates adsorbing the pressure load on the ball
  • Single or Double piston effect sealing barrier in both directions
  • Built in grease & sealant injection system for emergency stem and seat seal
  • Self-lubricating bearings and thrust washer reducing torque and to extend service life
  • Body thickness in accordance with ASME B16.34
  • Polymeric insert, O-Ring or Metal to metal seat sealing
  • Inconel 625 or 316 overlay on sealing areas or on all wetted areas when required
  • Reference stop in the adapter plate for a permanent indication of open and closed position
  • Antistatic device
  • Double Block and Bleed
  • Antistatic device
  • Double Block and Bleed

Designed to perform, built to last.

Contact Us

fax Via Bergamina, 24 20014 NERVIANO (Milano) ITALY
phone +39 0331 408711
fax +39 0331 408711
mail info@pibiviesse.com
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