Difference Between a Flow Control & a Needle Valve

The terms Flow Control & Needle Valve are often interchanged resulting in confusion when it comes to product selection.  The difference between the two valves is explained below. Flow Controls…

How to Select a Pneumatic Manifold

Consider These 6 Elements When Selecting A Pneumatic Manifold Manifolds provide a convenient junction point for the distribution of fluids or gases.  Quickly thread fittings or valves into the ports…

How to Select a Directional Valves

Top 5 Things You Need to Know When Selecting Directional Valves Selecting the right valve to control system pressure, direction of flow and rate of flow is crucial when designing…

Top 5 Things for selecting a Solenoid Valve

Solenoid valves are an efficient method of converting electrical signals into pneumatic functions.  Applying electricity to a direct acting solenoid valve creates a magnetic field within the coil which attracts an…

Pneumatic Cylinder & Valve Sizing Calculator

Pneumatic Cylinder & Valve Sizing Calculator : Valve Cv Rating Use this window to size a directional control valve for your application by identifying the Coefficient of Flow (Cv) required…

Basics of Valves Interview Questions & Answers

Are you preparing for interview ? check out these Basics of Valves Interview Questions & Answers. Lets read the control valves basics. Basics of Valves Interview Questions & Answers What…

Pressure Drop Calculator

Pressure Drop Calculator is a small Engineering tool that performs pressure drop calculations for Newtonian fluid flow in round pipe (tube) systems. Related parameters such as Reynolds, fluid velocity, average…

How to tune a PID Controller ?

What PID stands for? It stands for Proportional, Integral, and Derivative controller. It’s a mathematical description of the way you think. PID helps you automatically achieve your goal, exactly the…

Thermistor Working Principle

Thermistors Thermistors are temperature sensitive semiconductors that exhibit a large change in resistance over a relatively small range of temperature. There are two main types of thermistors, positive temperature coefficient…

Resistance Temperature Detectors Working Principle

Resistance Temperature Detectors (RTD) Working Principle Thermo-resistive Temperature Measuring Devices A change in temperature causes the electrical resistance of a material to change. The resistance change is measured to infer…