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WHAT DOES BUTTERFLY VALVE MEAN IN ENGLISH?
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position. A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid.
Definition of butterfly valve in the English dictionary
The definition of butterfly valve in the dictionary is a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor. Other definition of butterfly valve is a non-return valve consisting of two semicircular plates hinged about a common central spindle.
The translations of butterfly valve from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «butterfly valve» in English.
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «butterfly valve».
FREQUENCY OF USE OF THE TERM «BUTTERFLY VALVE» OVER TIME
The graph expresses the annual evolution of the frequency of use of the word «butterfly valve» during the past 500 years. Its implementation is based on analysing how often the term «butterfly valve» appears in digitalised printed sources in English between the year 1500 and the present day.
Examples of use in the English literature, quotes and news about butterfly valve
10 ENGLISH BOOKS RELATING TO «BUTTERFLY VALVE»
Discover the use of butterfly valve in the following bibliographical selection. Books relating to butterfly valve and brief extracts from same to provide context of its use in English literature.
Butterfly Valves: Torque, Head Loss, and Cavitation Analysis
Updated from the 2001 edition, this new manual has expanded equations for eccentricity torque, added torque sign conventions and double offset disc design variables.
American Water Works Association, 2012
Instrument Engineers' Handbook,(Volume 2) Third Edition: ...
CONVENTIONAL BUTTERFLY VALVES The butterfly valve is one of the oldest
types of valves still in use. The dictionary defines the butterfly valve as a "damper
or throttle valve in a pipe consisting of a disc turning on a diametral axis" (Figure
Bela G. Liptak, 1995
Valve Selection Handbook: Engineering Fundamentals for ...
The original butterfly valve is the simple pipeline damper that is not intended for
tight shut-off. This valve is still an important member of the butterfly valve family.
The advent of elastomers has initiated the rapid development of tight shut-off ...
Peter Smith, R. W. Zappe, 2004
Handbook of Valves and Actuators: Valves Manual International
Special note should be made of the fact that the control range of a FishtailTM disc
valve is much greater than that of a conventional butterfly valve. Another method
of modifying the characteristic of butterfly valves is to add orifices to the edge of ...
Brian Nesbitt, 2011
Advances in Computational Algorithms and Data Analysis
Park Youngchul and Song Xueguan Abstract In this paper, a butterfly valve with
the diameter of 1,800mm was studied. Three-dimensional numerical technique
by using commercial code CFX were conducted to observe the flow patterns and
Sio-Iong Ao, Burghard B. Rieger, Su-shing Chen, 2008
The Industrial Wastewater Systems Handbook
When the pen is at maximum, water flows to the hydraulic cylinder at the
maximum rate (pilot valve is wide open) in such direction as to close the butterflyvalve. When the pen is at zero, water flows to the hydraulic cylinder at maximum
rate in ...
Ralph L. Stephenson, James B. Blackburn, Jr., 1997
Water Hammer in Pipe-Line Systems
The motion of the butterfly valve is then determined by the equilibrium of the
moments to which it is subjected. When the oil pump is switched on, the hydraulic
valve closes automatically and the butterfly valve opens at a velocity determined
J. Záruba, 1993
Pumping Station Design: Revised 3rd Edition
... 2004 11883.3 1⁄4 EqivLnth(Std-def) Flow mgd Item Description of Friction Loss
Diam Inch K or Cval Fixd Loss Length Feet Item Nmb Loss Feet HydGrad Feet
Vel fps V-Hd Feet 25 Static Head 230 1 230.00 6363.00 25 Butterfly Valve 36 0.3
Garr M. Jones, PE, DEE, Robert L. Sanks, PhD, PE, 2011
Dedicated Clean Ballast Tanks: Revised Specifications for ...
A l BUTTERFLY VALVE (HYDRAULIC VALVE SIDE OPERATED) & L
BUTTERFLY VALVE (HYDRAULIC LOCAL OPERATED ... A R BUTTERFLYVALVE (HYDRAULIC REMOTE OPERATED WITH OPEN/SHUT INDICATOR OF
I.S. DIRECT ...
Valve Selection Handbook: Engineering Fundamentals for ...
Also, if the butterfly valve is closed too fast in liquid service, waterhammer may
become excessive. By closing the butterfly valve slowly, excessive waterhammer
can be avoided, as discussed in Chapter 2. Because the disc of butterfly valves ...
R. W. Zappe, 1999
10 NEWS ITEMS WHICH INCLUDE THE TERM «BUTTERFLY VALVE»
Find out what the national and international press are talking about and how the term butterfly valve is used in the context of the following news items.
New report explores the global eccentric sealing butterfly valve market
2015 Global Eccentric Sealing Butterfly Valve Industry Report is a professional and in-depth research report on the world's major regional ... «WhaTech, Jul 15»
Vacuum butterfly valve industry global market research report 2015 …
The Vacuum Butterfly Valve industry development trends and marketing channels are analyzed. Finally the feasibility of new investment ... «WhaTech, Jun 15»
Global Eccentric Sealing Butterfly Valve Market Growth And …
RadiantInsights.com includes new market research report on "Global Eccentric Sealing Butterfly Valve Market Size, Share And Trends Report To 2015: Radiant ... «Digital Journal, Jun 15»
What does the Maybach S600 need? 900 hp!
Helping the new engine breathe is a new exhaust system with an actively controlled butterfly valve. The result is 900 hp and 1,106 lb-ft of ... «Autoweek, Jun 15»
Brabus takes Mercedes-Maybach even further
The exhaust has an actively controlled butterfly valve to allow the driver to manage the exhaust note at the push of a button on the steering ... «Autoblog, Jun 15»
Active Watch List: Mosaic Co (NYSE:MOS), Vertex Pharmaceuticals …
... Autonomous Region, in western China, to provide the DN3400 butterfly valve flow control system to one local water conservancy project. «Stock Transcript, Jun 15»
Abnormal Volume Gains: Benchmark Electronics Inc. (NYSE:BHE …
The Company's DN3400 butterfly valve is widely used in projects of the same type. NF Energy Saving Corp. (NASDAQ:NFEC) hits high price of ... «eMarketsDaily, Jun 15»
NF Energy Signs Sales Contract in Xinjiang Autonomous Region
The Company's DN3400 butterfly valve is widely used in projects of the same type. The Xinjiang Autonomous Region is located in North-West ... «PR Newswire, Jun 15»
Mid-Day ETF Update: ETFs, Stocks Maintain Weakness as Upbeat …
... 1.5% after it said Friday it signed a $0.8 million sales contract to provide its DN3400 butterfly valve flow control system to a water conservancy ... «Nasdaq, Jun 15»
Corps awards contract for Lost Creek hydropower project penstock …
Corps awards contract for Lost Creek hydropower project penstock butterfly valve replacements. PORTLAND, Ore. 06/01/2015. By Michael Harris Associate ... «HydroWorld, Jun 15»
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