Description
The Bray Commercial 310800-110103EL is an 8″ Series 31 Butterfly Valve built for dependable, long-service flow control in commercial HVAC, hydronic, and industrial piping systems. Engineered to Bray’s exacting standards, the Series 31 is a widely specified, proven platform trusted by installers and engineers who demand consistent performance across a broad range of fluid handling applications.
Product Overview
Featuring a resilient-seated design, the Series 31 delivers bubble-tight shutoff and smooth throttling performance in a compact, low-profile body. The 8″ pipe size makes it an ideal fit for larger commercial piping systems where precise flow regulation and reliable isolation are critical. Robust construction minimizes maintenance requirements and ensures extended service life, even in demanding operating environments.
Key Features
- 8″ pipe size engineered for large commercial and industrial flow control applications
- Resilient-seated butterfly valve design for dependable bubble-tight shutoff
- Proven Series 31 Bray valve platform — widely specified across commercial mechanical systems
- Suitable for HVAC hydronic systems, chilled water, condenser water, and general service applications
- Compact wafer-style body for straightforward installation between standard ANSI flanges
- Corrosion-resistant disc and stem materials for extended service life
- Compatible with Bray Series 30/31 actuators and manual operators
- Available in lug or wafer configuration for versatile system integration
Typical Applications
- Commercial HVAC chilled water and hot water systems
- Condenser water and cooling tower piping
- Industrial process fluid handling
- Building automation and hydronic zoning systems
Why Choose Bray Series 31
Bray Commercial is a globally recognized manufacturer of flow control products. The Series 31 Butterfly Valve is engineered for ease of installation, low operating torque, and broad compatibility with Bray actuators — making it an ideal solution for both manual and automated valve applications in commercial mechanical systems.







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