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 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".
The increasing demand from the oil and gas industry will drive the demand for butterfly valve due to an increase in exploration and upgradation activity.
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
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.
One way of achieving pressure control is with a butterfly valve.
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.
As an example, a 3-ft-dia by 2-ft-high flanged butterfly valve body arrives from Rodney Hunt's foundry as a high quality, 1300 lb iron casting rated at 180 Brinell hardness.
Tenders are invited for Procurement of gear box with actuator for 1600nb butterfly valve at cw pumps
Energy saving company NF Energy Saving Corporation (NASDAQ:NFEC) reported on Friday the launch of a USD800,000 sales contract to provide the DN3400 butterfly valve flow control system to one local water conservancy project in Xinjiang Autonomous Region, in western China.
With the aim of producing new valve types which have not been produced in Turkey yet, Gedik introduced 100 per cent domestic butterfly valve series (wafer type and lug type) in the market in September 2012.