Advanced Concepts 3 min read
Reducing Valves
Reducing valves automatically reduce supply pressure to a preselected pressure as long as the supply pressure is at least as…
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Diaphragm Construction
The operating mechanism of a diaphragm valve is not exposed to the media within the pipeline. Sticky or viscous fluids…
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Diaphragm Valves
A diaphragm valve is a linear motion valve that is used to start, regulate, and stop fluid flow. The name…
Advanced Concepts 1 min read
Plug Valve Glands
The gland of the plug valve is equivalent to the bonnet of a gate or globe valve. The gland secures…
Advanced Concepts 2 min read
Lubricated Plug Valve Design
Clearances and leakage prevention are the chief considerations in plug valves. Many plug valves are of all metal construction. In…
Advanced Concepts 2 min read
Multiport Plug Valves
Multiport valves are particularly advantageous on transfer lines and for diverting services. A single multiport valve may be installed in…
Advanced Concepts 2 min read
Plug Valves
A plug valve is a rotational motion valve used to stop or start fluid flow. The name is derived from…
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Ball Valve Position
Some ball valves are equipped with stops that permit only 90° rotation. Others do not have stops and may be…
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Balls Valve Materials
Balls are usually metallic in metallic bodies with trim (seats) produced from elastomeric (elastic materials resembling rubber) materials. Plastic construction…
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Ball Valves
A ball valve is a rotational motion valve that uses a ball-shaped disk to stop or start fluid flow. The…
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Globe Valve Disk and Stem Connections
Globe valves employ two methods for connecting disk and stem: T-slot construction and disk nut construction. In the T-slot design,…
Advanced Concepts 2 min read
Angle Valve Design
The angle body globe valve design, illustrated in Figure 11, is a simple modification of the basic globe valve. Having…