PIBIVIESSE Fully Welded Valves are specified for transmission pipelines, pumping and compression units. The body construction allows the use of forged materials in the various grades of carbon steel complying with the most severe service conditions. 

Basic Design: Forged Construction. ASME B16.34/VIII, API 6A/6D/6DSS, SIL 3, CSA Z245.15, Fire Safe & OHSAS Certified
Sizes: 2" - 56"
Pressures: CL150 - CL2500
Temperatures: -196C - 550C (Cryogenic to Steam)
Materials: CS, LTCS, 316ss, Duplex Materials
Ends: RF, RTJ, Butt Welded, WE + PUPS
Special Connections: HUBS (Grooved, Union, Grayloc, etc.)


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Can be supplied in the configuration with bolted or welded bonnet
Plastic Polymer Insert, O-Ring or Metal to Metal Seat Sealing
Inconel 625 or 316 overlay on sealing areas or on all wetted areas when required
Three or Two Piece Welded Body
SR or DPE Seats

On-Off Control Designs
Integral Stop in Adapter Plate for a Permanent Reference of Open/Closed Position
Built-in grease and sealant injection system for emergency stem and seat seal
Self-lubricating PTFE sleeve bearings and thrust washer reducing torque to extend the service life
DBB Design

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