Automatic balancing valves are utilised in central heating and cooling systems that rely on flow of water through the system. They use the latest flow...

level. In automatic control terminology, a control valve is termed a "final control element". The opening or closing of automatic control valves is usually...

final setting of balancing devices such as dampers and valves, adjusting fan speeds and pump impeller sizes, in addition to automatic control devices such...

A thermostatic radiator valve (TRV) is a self-regulating valve fitted to hot water heating system radiator, to control the temperature of a room by changing...

A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration...

never have a suction valve, but depending on the application may or may not have a discharge valve. The use of a dynamic discharge valve is more prominent...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

Hydronic balancing, also called hydraulic balancing, is the process of optimizing the distribution of water in a building's hydronic heating or cooling...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

patent, includes a water reservoir (usually with level controlled by a float valve), a pump to circulate water over the excelsior pads and a centrifugal fan...

A safety valve is a valve that acts as a fail-safe. An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance...

Waste Fittings Standard, American Society of Mechanical Engineers Automatic balancing valve Drain-waste-vent system Plumbing Tap water Trap (plumbing) Flushing...

concerns a steady adiabatic flow of a fluid through a flow resistance (valve, porous plug, or any other type of flow resistance) as shown in the figure...

core Hydronics Hydronic balancing Radiator cabinet Radiator reflector Radiator (engine cooling) Thermostatic radiator valve Wikimedia Commons has media...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

reversing valve and optimized heat exchangers so that the direction of heat flow (thermal energy movement) may be reversed. The reversing valve switches...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

and 5, the liquid refrigerant goes through the expansion valve (also called a throttle valve) where its pressure abruptly decreases, causing flash evaporation...

to the outside, cools, and condenses into its liquid phase. An expansion valve (also called metering device) regulates the refrigerant liquid to flow at...

applications. This new inverter can avoid extra clamping diodes or voltage balancing capacitors. There are three kinds of level shifted modulation techniques...

model and see that a water valve is located in the suspect location. The owner could also have in the model the specific valve size, manufacturer, part...

dry side, contains air under pressure, and normally a Schrader valve (car-tire type valve stem) for checking pressures and adding air when needed. When...

Later designs implemented a steam release valve that kept the machine from exploding. By watching the valve rhythmically move up and down, Papin conceived...

same. This allows easy balancing of the system. The installer or repair person cannot trust that every system is self-balancing without properly testing...

automobile passenger heating systems have a thermostatically controlled valve to regulate the water flow and temperature to an adjustable level. In older...

Air-mixing plenum Air purifier Air source heat pump Attic fan Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Ceramic...

recycles hydroxyl radicals to create a sustainable biosphere–atmosphere balance. Due to recent climate change developments, such as warming and greater...