Disassembly of Sliding-stem Control Valve
The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve with pneumatic diaphragm actuator. This
Radar Level Measurement
Radar level instruments measure the distance from the transmitter (located at some high point) to the surface of a process
What is ON/OFF Valve ?
An ON/OFF Valve is the fluid equivalent of an electrical switch, a device that either allows unimpeded flow or acts
Capacitance Level Switch Calibration
Level Measurement: In industry, liquids such as water, chemicals, and solvents are used in various processes. The amount of such
Speed Probe Working Principle
Rotating machinery requires speed sensing for functional systems such as control, monitoring, and safety. To ensure safe operation, it is
Metering Pumps
A very common method for directly controlling low flow rates of fluids is to use a device known as a
Two out of Three Logic Analogy
Two out of Three Logic with Boolean Algebra Analysis : In designing digital circuits, the designer often begins with a
Safety Questions and Answers
HSE and Safety Interview Questions and Answers What is a BUMP TEST ? A bump test is a functional test
Displacer Interface Level Measurement
Displacer level instruments may be used to measure liquid-liquid interfaces just the same as hydrostatic pressure instruments. One important requirement
How Buoyant Force instruments Works ?
Displacer level instruments exploit Archimedes’ Principle to detect liquid level by continuously measuring the weight of an object (called the
