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…
THE LATEST THINKING
Every story.
Browse our articles in publication order, with new stories added automatically.
Advanced Concepts 1 min read
Ball Valve Position
Some ball valves are equipped with stops that permit only 90° rotation. Others do not have stops and may be…
Advanced Concepts 1 min read
Balls Valve Materials
Balls are usually metallic in metallic bodies with trim (seats) produced from elastomeric (elastic materials resembling rubber) materials. Plastic construction…
Advanced Concepts 2 min read
Ball Valves
A ball valve is a rotational motion valve that uses a ball-shaped disk to stop or start fluid flow. The…
Advanced Concepts 1 min read
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…
Managerial Economics 4 min read
Constant Rate Of Change
Presume it is believed by an analyst that there is a constant rate of change in sales from one quarter…
Managerial Economics 21 min read
Foreign Trade Multiplier
The foreign trade multiplier also known as the export multiplier operates like the investment multiplier of Keynes. It may be…
Advanced Concepts 3 min read
Globe Valves
A globe valve is a linear motion valve used to stop, start, and regulate fluid flow. A Z-body globe valve…
Managerial Economics 5 min read
Drift Theory of Consumption
On the first attempts to reconcile the short run and long run consumption functions was by Arhur Smithies and James Tobin. They…
Managerial Economics 4 min read
Concept of Multiplier
Postulations Keynes notion of the multiplier mechanism under definite postulations which bound the process of the multiplier. They are as…
Advanced Concepts 2 min read
Gate Valve Stem Design
Gate valves are classified as either rising stem or nonrising stem valves. For the nonrising stem gate valve, the stem…
