Bray Controls - Butterfly Valves and a whole lot more!

Close up of TriLok

 Check Rite SA-1

The new TriLok Zero Leakage Valve
Bray Controls is a world renowned manufacturer of rugged and reliable butterfly valves, and the company’s red valve logo is one of the most instantly recognisable in the industry.

This rapid rise to the top is all the more remarkable, given that the company was only formed a little over 20 years ago. The company continues to go from strength to strength, with twelve of its own divisional operations and a further thirty distribution outlets around the globe. And the expansion continues...

The Inchinnan, Scotland based UK headquarters, which also heads up the European operations, has recently been extended again, with the addition of new offices and warehousing, taking the site over 25,000 square feet, representing a £1m investment in the company’s future.

Extensive Range

Bray’s range of butterfly valves includes a wide variety of sizes and materials, as you might expect, but the Bray range is augmented by complimentary products such as valve status monitors, electric and pneumatic actuators, gearboxes, explosion proof and fire safe products, with servo, AS-i and Devicenet control options, all with the necessary PED, API and ISO approvals. All this makes the company a true process controls business. But there’s a whole lot more to Bray than simply butterfly valves...


Flow-Tek is a wholly-owned Bray International subsidiary and manufactures a wide range of high quality, high performance ball valves in three, two and one piece bodies, for a wide variety of applications and with a wide range of end connections. Flow-Tek ball valves are available in a wide range of sizes, up to ASME class 1500 pressure ratings, and with an extensive range of accessories and speciality products.

Check Rite®

Check Rite is another Bray International subsidiary, and a manufacturer of high quality, state of the art wafer combination swing check valves. Flow-activated, the valves are shape-optimized to achieve a fully open position at low flow rates and their performance remains unsurpassed. Available in a size range of 25mm to 1500mm, ASME classes 125 to 2500, Check Rite check valves have numerous approvals, deliver zero leakage and low pressure drop, and are available with a wide range of available accessories.

TriLok® - the Ultimate Critical Service Triple Offset Valve

Bray recently launched its TriLok series of triple offset butterfly valves, the latest evolution in high performance quarter turn valve technology. With the aid of 3D computer design, FEA and solid modelling, Bray has fully optimised the complex geometry of triple offset sealing, to provide a true 21st century valve solution.

This innovative new product includes many design improvements over competitor products, including:-

Unique hub and bearing system to provide maximum stem support while preventing media ingress

Unique splined disc/stem connection to facilitate self-alignment of the disc seal with the seat, eliminating external pins

Seat/seal system featuring field replaceable body seats and disc seals

Zero Leakage

TriLok’s frictionless, non-interference resilient metal-to-metal seated valves deliver zero leakage with the least amount of torque. It is also inherently fire safe - indeed the TriLok valve has recently been successfully tested in the UK for compliance with the very latest European and USA Fire Test standard ISO 10497 and API 607, 5th Edition.

The stem bearings are offered in 316SS nitrided as standard. Graphite bearing seals are a standard TriLok feature too, as are disc seals in laminated 321 SS/graphite ring. Bray also offers a solid metal disc for high temperature and severe applications.

TriLok valves are available in a wide range of body types and materials, including carbon steel, CF8M stainless, Monel, Hastelloy.

Temperature Range: -254 to +538 degrees C

Pressure Ratings: ANSI Class 150, 300 & 600 to full ASME B16.34, PN 20, 50 &100.

For further information, contact:

Bray Controls (UK) Ltd, Tel: (0) 141 812 5199, email:,

Published in Valve User Magazine Issue 9

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