butterfly valve

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butterfly valve

[′bəd·ər‚flī ‚valv]
(engineering)
A valve that utilizes a turnable disk element to regulate flow in a pipe or duct system, such as a hydraulic turbine or a ventilating system. Also known as butterfly damper.

butterfly valve

butterfly valve
A valve used to control the flow of fluids; a disk controls flow through the port. Also called a butterfly damper.

butterfly valve

butterfly valve
A valve consisting of a disc turning on its diametrical axis to control the flow of fluid in a round tube or pipe. When the valve is across the tube, the fluid flow is shut; and when it is parallel, the fluid is allowed to flow. Typically used in carburetors.
References in periodicals archive ?
Severn's product development manager, Mark Breese, originally challenged the Severn Leeds research and development team to reinvent butterfly valves to help achieve differentiation and increase market share.
Our range of Butterfly valves are available in different body materials, with different liners depending on the application.
We started serial production of API 6D valves and butterfly valves this year.
Therefore, either solenoid valves (small volume) or a pneumatic ball or butterfly valve (large diameter) are ideal.
Because of the lack of failures to the units, the entire system has proven to be both rugged and reliable, including the butterfly valves themselves, as well as each unit's remote manual override system.
Company offers an inflatable seated butterfly valve with a highly polished 316 stainless steel housing and disc.
A new butterfly valve lined with its Teflon NDJ fluoropolymer can serve eight times as long as similar valves lined with a conventionally used material in service with a monomer fluid, reports DuPont.
They include a butterfly valve or similar disk, a metal plate that acts as a lever, a small air cylinder actuator that serves as the hydraulics assembly, a simple external tension spring that works alongside the air cylinder, and a length of flexible tubing.
The acquisition rounded out Rodney Hunt Co's line of valve products to include Rotovalve cone valves, Streamseal circular and rectangular butterfly valves, and Howell-Bunger fixed cone valves for energy dissipation.
45 pieces gate valves DN 80, PFA 16, approx 2 piece butterfly valves DN 300-400, PFA 25, approx.
The total order includes four sets of DK961X-2.5CD DN2200 electric vacuum butterfly valves, four sets of D963H-16c DN200 condensing electric butterfly valves, four sets of D963H-16c DN200 electric vacuum butterfly valves and one set of D963H-16c DN350 electric butterfly valves.