A major design advantage of Bray valve product lines is international compatibility. The most sought after design by desalination plants and utility installations, MVS represents the state of the art rubber lined double flanged butterfly valve , meeting all the user industry requirements. The double flanged body pattern ensures precise installation in pipeline, and can be used as an end to the line valve if. Short body flanged butterfly valves are the new “state of the art” butterfly valves available on the market, with a very compact design and various materials of constructions, they can be applied in several plants.
Suitable for mounting between flanges and can be used in many general applications such as in water distribution, water treatment, dams, power plants and in many other. The inside body is protected by a bonded rubber liner extending over the flanges.
You can see this in the image where one and two are written. This creates a cam action during operation that lifts the seat out of the seal. The high-performance double offset butterfly valve , used in slightly higher-pressure systems, is offset from the centre line of the disc seat and body seal (offset one), and the centre line of the bore (offset two).

