Bray Series-32,33,35,36 Resilient Seated Butterfly Valve

Manufacturer: Bray

This butterfly valve series has many of the design features and benefits of the smaller Bray valves, such as high Cv ratings, minimum parts exposed to the line media, greater reliability and a proven record of long service life.

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A retaining ring, installed between the machined stem groove and gland retainer step, provides full retention of the stem in the unlikely event of internal stem failure.
Design allows for field adjustment of stem packing without removing manual operators or power actuators. The advanced, self-adjusting V-Type stem packing prevents external substances from entering the upper stem bore.
Primary Seal is achieved by an interference fit of the molded seat flat with the disc hub. Secondary Seal is created because the stem diameter is greater than the diameter of the seat stem hole.
To absorb actuator side thrust and minimize bearing friction torque, upper and lower heavy wall sleeve bearings are utilized.
A bronze vertical thrust bearing eliminates disc displacement due to the weight of the stem and disc.
One piece full flanged style. All bodies are drilled to be compatible with ASME 125/150, PN 10 or other international flange standards. Wafer style bodies are also available.
High strength discs are first cast, the sealing edges are spherically machined then either hand polished or the entire disc is Nylon 11 coated. The symmetrical disc profile increases CV values,reduces turbulence and increases pressure recovery.
The replaceable tongue and groove seat to body retention method is the most advanced design in the industry.

Wastewater, Seawater

Mfr. Part No.	Description

Bray Series-32,33,35,36 Resilient Seated Butterfly Valve

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