Double Offset Butterfly Valves

Our Double Offset High Performance Butterfly valves are available in modular design with soft seat, metal seat and fire safe seat meeting all international manufacturing standards.

Wafer, Lugged & Double Flanged with Soft seats, metal seats & fire safe seats.

Sizes: 2” to 36”

Pressure Ratings: 150# to 600#

Design & Construction Features

Design Options

PHBB can offer a wide variety of Body, Disc and Stem materials to suit specific customer requirements viz. Carbon steel, Stainless Steel, Duplex and Super Duplex, Aluminium Bronze, Monel, Inconel and other super Alloys. Materials meeting NORSOK M650 specification can be supplied with QTR.

Body Sealing and Stem Sealing Design

Self-lubricating bearings provide excellent stem support and shaft alignment. Bonded to the interior of the stainless steel bearing is PTFE impregnated with woven fibreglass.

Design and Manufacturing Standards

PHBB Double offset Butterfly valves, meet the following International Standards : API 609 Category B, EN 593, ASME B16.34, ASME B16.5, ASME B16.47, ASME, B16.10, EN 12516-1 & 2, ISO 5211

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