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valve
valve
valve 1. One of the two halves of the hinged shell of brachiopods (
Brachiopoda), or molluscs (
Mollusca) of the class
Bivalvia.
2. One half of the cell wall of a
diatom.
3. A flap or other constriction that can close to ensure that a fluid flows in only one direction.
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Valves.(Plumbing Supplies)
Magazine article from: Hardware Retailing; 8/1/2006; 700+ words
; ...constant use. * Globe and angle valves are used when a valve must be opened and closed frequently...against the pressure side of the valve. PLASTIC VALVES Plastic valves are made of CPVC...stop) and boiler drains. Gate valves end ball valve
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Valves - a primer. (includes fluid handling valve selection guide)
Magazine article from: Plant Engineering; 11/23/1989; ; 700+ words
; ...account when selecting a valve for flow control. Valves for stopping and starting...a plug, pinch, or slide valve. Globe valves offer high flow resistance...suited for this service. Valve Types Gate valves are the most widely used...
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 "Post-Tribune (IN)")
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Leaky valves are quick to fix
Newspaper article from: Post-Tribune (IN); 10/4/2003; ; 700+ words
; ...you have a fairly common shut-off valve. These valves are inexpensive and fraught with maintenance...replacing your existing valve with a ball valve. These shut-off valves are constructed differently than the valve you have. The inside of a ball valve...
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Valves & hydrants.(The 1996 Public Works Manual)(Water Supply and Treatment)
Magazine article from: Public Works; 4/15/1996; 700+ words
; ...the street, valve after valve malfunctioned. When several valves were found that did work...operation. VALVES Gate Valves A gate valve functions by blocking...Inc. Square-bottom Valves. Where a gate valve is used for throttling...
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Valves & hydrants. (equipment to control water distribution)
Magazine article from: Public Works; 4/15/1998; 700+ words
; ...the street, valve after valve malfunctioned. When several valves were found that did work...operation. VALVES Gate Valves A gate valve functions by blocking...valves. Square-bottom Valves. Where a gate valve is used for throttling...
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Valves and hydrants. (water) (1994 Public Works Manual)
Magazine article from: Public Works; 4/15/1994; 700+ words
; ...the street, valve after valve malfunctioned. When several valves were found that did work...VALVES C-7.11 Gate Valves A gate valve functions by blocking...Inc. Square-bottom Valves. Where a gate valve is used for throttling...
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Valves.(Water Supply and Treatment)
Magazine article from: Public Works; 4/15/1995; 700+ words
; Gate Valves A gate valve functions by blocking the water...Technaflow, Inc. Square-bottom Valves. Where a gate valve is used for throttling service...8-in. for 48-in. Gate valve manufacturers furnish valves with a variety of ends to accommodate...
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 "Telegraph - Herald (Dubuque)")
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Leaky valves are quick to fix, especially common ones; Consider replacing it with a ball valve
Newspaper article from: Telegraph - Herald (Dubuque); 10/5/2003; ; 700+ words
; ...as if you have a fairly common shut-off valve. These valves are inexpensive and fraught with maintenance...should consider replacing your existing valve with a ball valve. These shut-off valves are constructed differently. The inside...
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Valves and hydrants. (Buyers Guide)
Magazine article from: Public Works; 4/15/1992; 700+ words
; ...street, valve after valve malfunctioned. When several valves were found that did work...VALVES C-7.11 Gate Valves A gate valve functions by blocking...Valve Co., Inc.; Wey Valve, Inc. Square-bottom Valves. Where a gate valve...
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Pneumatic Valves and More.
Magazine article from: Design News; 11/5/2007; 700+ words
; ...PROPORTIONAL CONTROL VALVE Design News Staff Humphrey...Products Co. KFPV050 valves provide stepless variable...Festo VTSA/VTSA-F valve manifolds provide flexibility and modularity for valves and electrical connectivity. The valve system uses plug...
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Mitral Valve Repair
Encyclopedia entry from: Gale Encyclopedia of Surgery: A Guide for Patients and Caregivers
...of rheumatic fever. Mitral valve stenosis may be present at...other heart defects. Mitral valve prolapse is the most common condition of the heart valves, and is present in about...men and women have mitral valve prolapse. Having this condition...
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Mitral Valve Replacement
Encyclopedia entry from: Gale Encyclopedia of Surgery: A Guide for Patients and Caregivers
...defects. Mitral valve prolapse is the most...condition of the heart valves, and is present...biological tissue valves. For patients under...the mechanical valve offers superior longevity...biological tissue valve, because the anticoagulant...patients with mechanical valves is ...
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Aortic Valve Replacement
Encyclopedia entry from: Gale Encyclopedia of Surgery: A Guide for Patients and Caregivers
...are administered. A heart valve is an orifice that blood passes...blood during diastole. Heart valves can be mechanical or biological tissue valves. For patients younger then 65 years of age, the mechanical valve offers superior longevity...
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SIC 3491 Industrial Valves
Encyclopedia entry from: Encyclopedia of American Industries
...of the flow. The Valve Manufacturers Association observes that valves are basic yet indispensable...castings from which the valves were fashioned...practice that some valve companies engaged in. According to the Valve Manufacturers Association...shipments of industrial valves are ...
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Aortic Valve Insufficiency
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed.
...of the heart and its valves), can further evaluate...having the defective valve surgically replaced...replaced with man-made valves or with valves taken from pig hearts...the need for surgical valve replacement, it is important...
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