control valves

Steam Traps – Basic Features, Types & Applications

A steam trap is a control valve whose basic function is to allow condensate to flow, while preventing the passage…

8 months ago

Control Valve Selection Guide

Valves are manual or automatic fluid controlling elements in a piping system; in other words, valves isolate, switch, and control…

8 months ago

Electro-Pneumatic Valve Positioners: Function & Features

Valve positioners are motion-control devices that are made in such a way to actively compare valve stem position against the…

8 months ago

Valve Positioners: Function & Types

Basic Features of a Positioner Pneumatically operated valves depend on a positioner to take an input signal from the process…

8 months ago

Directional Control Valves: Function & Principle of Operation

Directional control valves are used to regulate the flow rate of hydraulic fluid; they are also utilized in pneumatic systems…

8 months ago

Key Factors to Consider in Selection of Valves

Valves are the final element in a control loop, and are critical in providing the correct flow. The valve, usually…

2 years ago

Pneumatic Actuators

Valves cannot control a process by themselves. Manual valves require an operator to position them to control a process variable.…

4 years ago