What are butterfly valves?
Butterfly valves are essential components in many industrial processes, designed to control, regulate, and isolate the flow of liquids and gases. The valve operates using a rotating disc positioned on a central shaft, which opens or closes to control flow through the pipeline. Due to their compact design, fast operation, and minimal maintenance requirements, butterfly valves have become a preferred choice in industries such as water treatment, HVAC, data centers, and food production.
Advantages of butterfly valves
Butterfly valves offer several key advantages compared to other valves. Their lightweight construction and simple design make them easy to install, even in large diameter pipelines. They provide excellent flow control with low pressure drop, quick quarter-turn operation, and reliable tight sealing. In addition, their low maintenance needs and cost-effectiveness make them ideal for both standard and high-performance applications. When fitted with the right seat and disc materials, butterfly valves can handle a wide range of temperatures, pressures, and corrosive media.
Bray butterfly valve product range
Bray offers a broad range of butterfly valves engineered for reliable performance in industrial applications. From resilient seated to high-performance and triple offset designs, each valve is built for durability, tight sealing, and seamless integration with Bray automation systems. Including options for custom-engineered applications.
Series 20/21: resilient seated butterfly valves
The Series 20 (wafer type) and Series 21 (lug type) butterfly valves are designed for reliable shutoff in a wide range of general-purpose applications. Featuring a bidirectional, bubble-tight seal up to 10.3 bar, they are ideal for HVAC, water, and food industry systems. Available in sizes from 25 mm to 500 mm, these valves can be equipped with various seat materials such as BUNA-N, EPDM, and PTFE.
Series 30/31: heavy-duty resilient seated butterfly valves
The Series 30 (wafer) and Series 31 (lug) provide a higher-pressure rating and extended temperature range, making them suitable for demanding applications. With pressure capability up to 12 bar and temperature tolerance from -29°C to 204°C, these valves are widely used in chemical and water treatment industries. Seat materials include EPDM, BUNA-N, and FKM for compatibility with different media.
McCannalok (Series 40-45): high-performance double offset valves
The McCannalok (series 40-45) high-performance butterfly valves feature a precision-engineered double offset design for operation under high pressure and temperature conditions. The resilient (R)PTFE seat ensures a bidirectional, bubble-tight seal across the full pressure range. Their robust construction and self-energizing seat design guarantee long-term reliability, even in the most demanding environments.
TriLok®: triple offset metal seated butterfly valves
Bray’s TriLok® triple offset valves represent the latest generation of metal seated technology. With a metal-to-metal sealing system, these valves deliver zero leakage under extreme temperature and pressure conditions. Fully tested to ISO 10497 and API 607 fire-safe standards, they are available in materials such as carbon steel, stainless steel, Monel, and Hastelloy. Their temperature range extends from -254°C to +538°C, making them suitable for the most challenging industrial applications.
Applications of Bray Controls butterfly valves
Bray butterfly valves are used across a wide range of industries, including:
Certifications of Bray Controls
Bray places the highest emphasis on quality, performance, and safety. All butterfly valves are manufactured in accordance with international standards such as ISO 9001, API 607, and ISO 10497, and meet the requirements of PED 2014/68/EU. They are designed according to ISO 5752 and ISO 5211 standards, ensuring compatibility with a wide range of actuators and mounting systems.
Modular design and automation compatibility
Bray Controls modular valve design allows for flexible adaptation to specific application requirements. The valves can be equipped with manual, pneumatic, or electric actuators, and easily integrated with Bray’s own control and automation systems. This modular approach ensures seamless performance and simplified maintenance, while maximizing system efficiency.
Your reliable partner: Bray Controls Benelux
Bray Controls Benelux is your trusted local partner for high-quality butterfly valves and related flow control products. With extensive industry experience, the Benelux team provides technical support in selection, installation, and maintenance. Always tailored to your specific process needs. Whether you require a standard product or a fully customized solution, Bray’s specialists are ready to assist you. Contact us today to learn how we can support your project.
