Double Block and Bleed Trunnion
Mounted On-Off Ball Valve

PIBIVIESSE Double Block and Bleed (dual ball) Side Entry Ball valve is available in several design options and material grades.

3 piece side entry bolted body, soft or metal seated, firesafe, flexible design suitable to meet a broad range of applications and specification requirements.

Product Design & Range

3 piece Split Body Bolted
Trunnion Mounted Ball
API 6D size range from 2″ to 36″, pressure ratings ASME cl. 150# to 2500#
API 6A size range from 1.13/16″ to 20″, pressure ratings 2000 to 15000 psi
Flanged RF/RTJ, Compact, Clamped Hubs and Butt-Weld end
Material grades: CS, LTCS, 316ss, 6Mo, Duplex, S-Duplex, Monel, Nickel Alloys, Titanium
Design Temperature range -46 / 230°C


Onshore LNG Plant and Offshore FLNG, Onshore Oil and Gas Production, Refining & Petrochemical, Onshore Gas Treatment, Offshore Platform & FPSO, Onshore Storage







LNG Plant

Refining & Petrol

Main Design Features

Full and Reduced Bore
Spring Energized Floating seats
Anti-blow out stem
Anti-static design
Emergency sealant injection on stem and seats
Fire Safe
Soft, Metal-to-Metal or Primary Metal Secondary Soft (PMSS) sealing
SPE (Self Relieving), DIB-1 or DIB-2 seat design
See the enclosed Valve Data Sheet for the complete product design features and options available.

General Detectors International, Inc.