butterfly valve


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butterfly valve
top: open valve
bottom: closed valve

butterfly valve

n.
1. A disk turning on a diametrical axis inside a pipe, used as a throttle valve or damper.
2. A valve composed of two semicircular plates hinged on a common spindle, used to permit flow in one direction only.

butterfly valve

n
1. (Mechanical Engineering) a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor
2. (Mechanical Engineering) a non-return valve consisting of two semicircular plates hinged about a common central spindle

but′terfly valve`


n.
1. a clack valve having two flaps with a common hinge.
2. a valve, as the throttle valve in a carburetor, that swings about a central axis across its face.
[1860–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.butterfly valve - a valve in a carburetor that consists of a disc that turns and acts as a throttlebutterfly valve - a valve in a carburetor that consists of a disc that turns and acts as a throttle
carburetor, carburettor - mixes air with gasoline vapor prior to explosion
valve - control consisting of a mechanical device for controlling the flow of a fluid
References in periodicals archive ?
The goal of the acquisition was to bring butterfly valve manufacture in-house, and to focus the specialist expertise of the Leeds Valve engineers.
The company says the 48-inch butterfly valve is the largest they have supplied and has a Cv of 59,531.
* The ability to use with Asahi/America Type-57, Type57IL, Type-57LIS, Type-56, and Pool-Pro butterfly valves in sizes 1 1/2 to 16".
Therefore, the rising demand for oil and gas has led to widespread exploration activities in Africa, triggering the demand for industrial valves in the region, and thus propelling the growth of the overall butterfly valve market.
[1] optimized a sealing structure in a triple-eccentric butterfly valve, while Ejab and Samir [2] optimized a butterfly valve housing to reduce its weight.
A larger volume sand magazine ensures proper blow filling of larger molds, and a butterfly valve sand gate controls the sand feeding without excess spill sand.
JAMESBURY WAFER SPHERE BUTTERFLY VALVE, METRO AUTOMATION
To address this issue, Marden Susco has designed and built a mobile butterfly valve testing unit, the Barbee Model H Valve Testing Unit, to provide on-site hydrostatic leak testing in a self-contained, dedicated unit.
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 machining of a 36" dia butterfly valve body has been reduced from 8 1/2 hours to 5 hours on average.