valve trim

Valve Actuator Bench Set

Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there must be a

HVAC Questions & Answers

HVAC Questions & Answers

Find the top Heating, ventilation, and air conditioning HVAC Questions & Answers for your interview preparation. HVAC Questions & Answers

Disk valves

What is a Disc Valve ?

Disc valves (often referred to as eccentric disk valves, or as high-performance butterfly valves) are a variation on the butterfly

Annubar flow principle

Different Types of Flow Elements

Different Types of Flow Elements or Flow Sensors are Pitot tube, Annubar flow element, orifice, venturi, flow nozzle and Differential Pressure Flow Sensors.

electric valve actuator

Electrical Actuators

Electric motors have long been used to actuate large valves, especially valves operated as on/off (“shutoff”) devices. Advances in motor

radial-vane damper

Dampers and Louvres

A damper (otherwise known as a louvre) is a multi-element flow control device generally used to throttle large flows of

Rotary Stem Valves

Rotary Stem Valves

A different strategy for controlling the flow of fluid is to insert a rotary element into the flow path. Instead