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…
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Gate Valve Stem Design
Gate valves are classified as either rising stem or nonrising stem valves. For the nonrising stem gate valve, the stem…
Advanced Concepts 7 min read
Types of Valves
Due to the various environments, system fluids, and system conditions in which flow must be controlled, a large number of…
Advanced Concepts 2 min read
Types of Valves
Because of the diversity of the types of systems, fluids, and environments in which valves must operate, a vast array…
Advanced Concepts 1 min read
Valve Actuator & Packing
Valve Actuator The actuator operates the stem and disk assembly. An actuator may be a manually operated handwheel, manual lever,…
Advanced Concepts 2 min read
Stem
The stem, which connects the actuator and disk, is responsible for positioning the disk. Stems are typically forged and connected…
Advanced Concepts 2 min read
Valve Trim, Disk and Seat
Valve Trim The internal elements of a valve are collectively referred to as a valve’s trim. The trim typically includes…
Advanced Concepts 3 min read
Valve Functions And Basic Parts
Valves are the most common single piece of equipment found in DOE facilities. Although there are many types, shapes, and…
Advanced Concepts 1 min read
Pressure
Pressure is the force exerted by gases and liquids due to their weight, such as the pressure of the atmosphere…
Advanced Concepts 16 min read
Basic Tools, Instrumentation, and Equipment
Many of the functional tests in the CTPL contain a list of the tools, instruments, and equipment necessary to perform…
Advanced Concepts 3 min read
Sinusoidal Inputs; Half-Wave Rectification
The diode analysis will now be expanded to include time-varying functions such as the sinusoidal waveform and the square wave.…
Advanced Concepts 8 min read
PSPICE WINDOWS
The computer has now become such an integral part of the electronics industry that the capabilities of this working “tool”…