What is a 4-way Solenoid Valve?
  • Solenoid Valve

What is a 4-way Solenoid Valve?

When a pneumatic actuator requires air pressure applied to two different ports in order to move two different directions (such…

  • Solenoid Valve

What is a 3-way Solenoid Valve ?

3-way solenoid valves operate in a manner analogous to single-pole double-throw (SPDT) electrical switches: with two paths for flow sharing…

  • Solenoid Valve

What is a 2-way Solenoid Valve ?

2-way solenoid valves operate in a manner analogous to single-pole single-throw (SPST) electrical switches: with only one path for flow.…

  • Control Valves

Functional Testing of Control Valve Positioners

Valves, the actuators that move them, and the electronic circuits that control them, are all subject to aging soon after…

  • Control Valves

Control Valve Installation, Maintenance, Disassembly & Reassembly

Control Valve Installation, Maintenance, Disassembly & Reassembly A. INSTALLATION 1. Valve Body: Set control valve in the horizontal line of…

  • Control Systems

PID Controller Loop Tuning Questions and Answers – Part 2

PID Controller Loop Tuning Questions and Answers  1. Examine this process trend showing the PV, SP, and Output of a loop…

  • Control Systems

PID Controller Loop Tuning Questions and Answers – Part 1

This article provides PID controller loop tuning conditions for different conditions to analyze Process Variable, Set Point and Controller Output…

  • Erection & Commissioning

Good and Bad Wiring Practices

Good and Bad Wiring Practices If you ever find yourself working at a facility where you witness something as awful…

  • Control Valves

What is a Electric Solenoid Actuator ?

A typical electric solenoid actuator is shown in Below Figure. It consists of a coil, armature, spring, and stem. Note…

  • Instrumentation Design

Electrical Motor Starter Circuits

Manual DOL Starter : Contactor Controlled DOL Starter : Read : Simple DOl Starter using PLC Motor Star Delta Starter…