basic 1 min read
Pauli Exclusion Principle
According to Pauli Exclusion Principle, no two electrons in an atom can have the same set of four identical quantum numbers.…
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basic 2 min read
Quantum Numbers
Each orbital, where an electron moves, differs in its energy and shape. The energy levels of orbitals can be represented…
basic 4 min read
What is Electronics?
Electronics means study of flow of electrons in electrical circuits. The word Electronics comes from electron mechanics which means learning…
basic 5 min read
Types of Check Valves
There are several types of check valves having varying body configurations. The following are some commonly used types of check…
basic 2 min read
Check Valves
Check valves are designed to pass flow in one direction with minimum resistance and to prevent reverse or backflow with…
basic 1 min read
Needle Valves
Needle valves generally are used for instrument, gauge, and meter line service. Very accurate throttling is possible with needle valves…
basic 3 min read
Construction of a Globe Valve
A typical large globe valve with flanged ends is illustrated in Fig. A10.11, and a large wye-pattern globe is illustrated…
basic 2 min read
Globe Valves
Conventional globe valves may be used for isolation and throttling services. Although these valves exhibit slightly higher pressure drops than…
basic 2 min read
Pressure Binding
Sometimes in high-temperature applications, the flow medium, such as water or steam, is trapped in the valve bonnet area when…
basic 6 min read
Construction of a Gate Valve
Gate valves consist of three major components: body, bonnet, and trim. The body is generally connected to the piping by…
basic 2 min read
Valve Types
Gate Valves Gate valves are primarily designed to serve as isolation valves. In service, these valves generally are either fully…
