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Valve that regulates the flow or pressure of a fluid
A flow control valve regulates the flow or pressure of a fluid. Control valves normally respond to signals generated by independent devices such as flow
Flow_control_valve
Flow-control device
A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables
Control_valve
Flow-control device
A ball valve, also known as cone valve, is a flow control device which operates using a spherical ball with a hole (also known as a bore) through the middle
Ball_valve
Flow control device
A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening
Valve
Flow control device
check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through
Check_valve
Flow control device
A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates. Operation is similar to that
Butterfly_valve
Flow control device
A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable plug or disc element and a stationary ring seat in a
Globe_valve
Mechanical control via compressed gas
and retract using compressed air. The direction control valve is used to control the direction of flow of compressed air. They are usually classified into
Pneumatic_circuit
Control valve that maintains the pressure of a fluid or gas
flow valve. Two types are found: the pressure reduction regulator and the back-pressure regulator. A pressure reducing regulator is a control valve that
Pressure_regulator
Valve design
A Tesla valve, called a valvular conduit by its inventor, is a fixed-geometry passive check valve. It allows a fluid to flow preferentially in one direction
Tesla_valve
Type of valve with a small port
relatively low flow rates. An instrument needle valve uses a tapered pin to gradually open a space for fine control of flow. The flow can be controlled and regulated
Needle_valve
Electromechanical valve
solenoid valve is an electromechanically operated valve used in heating systems, fuel pipelines, and industrial automation to regulate the flow of liquids
Solenoid_valve
Flow control valve used in anaesthesiology
valve (commonly abbreviated to APL valve, and also referred to as an expiratory valve, relief valve or spill valve) is a type of flow control valve used
Adjustable pressure-limiting valve
Adjustable_pressure-limiting_valve
Self-regulating valve to control hot water flow
radiator valve (TRV) is a self-regulating valve fitted to a hot-water heating system radiator to control the temperature of a room by changing the flow of hot
Thermostatic_radiator_valve
Valve controlling the release of a liquid or gas
variations) is a valve controlling the release of a fluid. Tap is used in the United Kingdom and most of the Commonwealth for any everyday type of valve, particularly
Tap_(valve)
Flow-control device
control the flow of steam in the valve gear of early double-acting steam engines, such as those designed by Richard Trevithick. This use of the valve
Four-way_valve
Flow control device
valves Ball valve Blast gate Butterfly valve Control valve Diaphragm valve Globe valve Needle valve Process flow diagram Piping and instrumentation diagram
Gate_valve
Valve where rotation of passages in a plug controls flow direction
rotary valve (also called rotary-motion valve) is a type of valve in which the rotation of a passage or passages in a transverse plug regulates the flow of
Rotary_valve
Component of air conditioning and refrigeration systems
temperature, such as a capillary tube or a pressure-controlled valve. A thermal expansion valve is a key element to a heat pump; this is the cycle that
Thermal_expansion_valve
Safety valve used to control or limit the pressure in a system
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise
Relief_valve
Device that controls liquid and gas flow
was calibrated. All mass flow controllers have an inlet port, an outlet port, a mass flow sensor and a proportional control valve. The MFC is fitted with
Mass_flow_controller
or powders on–off control Needle valve for accurate flow control Pinch valve, for slurry flow regulation and control Piston valve, for regulating fluids
List_of_valves
Valve to control large flows of water in pipes
A Larner–Johnson valve is a mechanism used in dams and water pumping to control the flow of water through large pipes. The valve is suited to handling
Larner–Johnson_valve
Mechanism for filling water tanks
mechanism forces the valve closed and shuts off the water flow. This is an example of negative feedback and of proportional control. An alternative to the
Ballcock
Valve that automatically stops the flow of a hazardous fluid in a dangerous event
recovery valves are valves that lose little energy due to little flow turbulence. Flow paths are straight through. Rotary control valves, butterfly valves and
Shutdown_valve
Valve that blends hot water and cold water
pressure or flow. Wikimedia Commons has media related to Thermostatic mixing valves. Thermostatic radiator valve Pressure-balanced valve Thermostatic
Thermostatic_mixing_valve
Device that prevents undesired water flow
Check valve (usually not a legally approved method of backflow prevention.) Chemigation valve (primarily used in agriculture) Double check valve assembly
Backflow_prevention_device
Water heaters that instantly heat water as it flows through the device
a flow control valve. Temperature change, not flow speed, is the issue the water heater must address. The wider the temperature rise, the less flow from
Tankless_water_heating
Mechanism that controls the pressure of a breathing gas supply for diving
systems may also use regulators to control the flow of fresh gas, and demand valves, known as automatic diluent valves, to maintain the volume in the breathing
Diving_regulator
Type of valve
poppet valve (also sometimes called mushroom valve) is a valve typically used to control the timing and quantity of petrol (gas) or vapour flow into or
Poppet_valve
Discipline that uses industrial control to achieve a production level of consistency
Digital control Distributed control system Feedback Feed-forward Fieldbus Flow control valve Fuzzy control system Gain scheduling Intelligent control Laplace
Industrial_process_control
Valve that reverses flow direction in part of a circuit
reversing valve is a type of valve and is a component in a heat pump, that changes the direction of refrigerant flow. By reversing the flow of refrigerant
Reversing_valve
Small valve which controls a larger valve
A pilot valve is a small valve that controls a limited-flow control feed to a separate piloted valve. A pilot valve is one part of a larger pilot‑operated
Pilot_valve
Mechanical system in an internal combustion engine
system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture
Valvetrain
Automatic daytime shutoff valve for gas-powered lights
A sun valve (Swedish: solventil) is a flow control valve that automatically shuts off gas flow during daylight. It earned its inventor Gustaf Dalén the
Sun_valve
Electrically-operated fluid valve
servo valve (EHSV) is an electrically-operated valve that controls how hydraulic fluid is sent to an actuator. Servo valves are often used to control powerful
Electrohydraulic_servo_valve
Valve closing off part of a system
An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes
Isolation_valve
Flow control device
compression fittings. Flow control valve Mass flow controller Needle valve Supercritical fluid chromatographic detection by use of a parallel flow restrictor What
Flow_limiter
Measure of a device's efficiency at allowing fluid flow
pressure drop across an orifice valve or other assembly and the corresponding flow rate. A greater restriction in flow will create a larger pressure drop
Flow_coefficient
Topics referred to by the same term
Vilshofen, Germany Feline calicivirus Female copulatory vocalization Flow control valve Ford Crown Victoria Forest City Velodrome, in Waterloo, Ontario, Canada
FCV
Component of central heating and cooling systems
balancing valves are utilised in central heating and cooling systems that rely on flow of water through the system. They use the latest flow technology
Automatic_balancing_valve
Valve closed by squeezing a tube
pinch valve is a full bore or fully ported type of control valve which uses a pinching effect to obstruct fluid flow. A pinch valve is a type of valve which
Pinch_valve
Business jet in the US
hydraulic flow to the engine-driven pumps in case of an emergency. The valves are controlled by the FIRE switch and activation of these valves are indicated
Learjet_25
Type of Soviet nuclear power reactor
below 500 MWt. Each pump has a flow control valve and a backflow preventing check valve on the outlet, and shutoff valves on both inlet and outlet. Each
RBMK
Aircraft system which maintains internal pressurization, climate, air supply, and more
AC pack is regulated by the flow control valve (FCV). One FCV is installed for each PACK. A normally closed isolation valve prevents air from the left
Environmental_control_system
1999 aviation accident in South Dakota
the pressure vessel or a closed flow control valve. Safety Board testing determined that a closed flow control valve would cause complete depressurization
1999 South Dakota Learjet 35 crash
1999_South_Dakota_Learjet_35_crash
Subclass of stopcocks
Plug valves are valves with cylindrical or conically tapered "plugs" which can be rotated inside the valve body to control flow through the valve. The
Plug_valve
Ratio of inertial to viscous forces acting on a liquid
dyed stream could be observed. At the end of this pipe, there was a flow control valve used to vary the water velocity inside the tube. When the velocity
Reynolds_number
Type of water- of steam-flow valve
A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system. In the interest of improving
Zone_valve
Mechanism for opening and closing a valve
of large valves. Power-operated valve actuators may be the final elements of an automatic control loop which automatically regulates some flow, level or
Valve_actuator
Topics referred to by the same term
Mushroom valve may refer to: The exhaust valve of a diving mechanism Poppet valve, a rigid flow control valve commonly used in engines and pumps This disambiguation
Mushroom_valve
Fundamental building block of control systems
However, if the feed from the valve was to a tank, and the controller function was to control the level using the fill valve, the PV would be the tank level
Control_loop
Azerbaijani engineer and politician
engineering control board in Azerbaijan, authored scientific books and was credited with several inventions, including a flow control valve for oil and
Solomon_Grobshtein
Automobile variable valve timing technology
The active valve control system (AVCS) is an automobile variable valve timing technology used by Subaru. It varies the timing of the valves by using hydraulic
Active_valve_control_system
Form of valve within a steam engine or locomotive
Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the
Piston_valve_(steam_engine)
Arrangement and function of the components of regulators for underwater diving
Both free-flow and demand regulators use mechanical feedback of the downstream pressure to control the opening of a valve which controls gas flow from the
Mechanism of diving regulators
Mechanism_of_diving_regulators
Valve which allows fluid to flow through it from one of two sources
A shuttle valve is a type of valve which allows fluid to flow through it from one of two sources. Generally a shuttle valve is used in pneumatic systems
Shuttle_valve
Type of rectilinear valve
slide valves to control the flow of steam into and out of the cylinders. In the 20th century, slide valves were gradually superseded by piston valves, particularly
Slide_valve
Automobile variable valve timing technology
Variable Valve Timing & Lift Electronic Control (VTEC) is a valve system developed by Honda to improve the volumetric efficiency of a four-stroke internal
VTEC
Class of musical instruments with air resonator
production in all wind instruments depends on the entry of air into a flow-control valve attached to a resonant chamber (resonator). The resonator is typically
Wind_instrument
Automatic control valve resonding to fluid level
A level control valve or altitude control valve is a type of valve that automatically responds to changes in the height of a liquid in some storage system
Level_control_valve
Type of check valve
or carbon fiber). Reed valves, normally a leather flap covering a hole, are amongst the earliest form of automatic flow control for liquids and gases.
Reed_valve
Type of power operated valve
valves have two ports that help the valves regulate the flow of air into a system. These valves often provide a simple on-off function. 3-way valves can
Air-operated_valve
Aerodynamic instability in axial or centrifugal compressors
the flow and the developed head. When the compressor’s operation approaches the surge point the controller modulates either a flow control valve (FCV)
Surge_in_compressors
Valve used to control the flow of a liquid or gas
is a form of valve used to control the flow of a liquid or gas. The term is not precise and is applied to many different types of valve. The only consistent
Stopcock
Topics referred to by the same term
valves used in brass instruments Rotary valve, a valve using an internal rotor to select flow paths Piston valve, a valve using a piston to control fluid
Valve_(disambiguation)
Device that helps steer vehicles by augmenting steering effort of the steering wheel
orifice and flow-control valve direct some of the pump's output back to the hydraulic reservoir at high engine speeds. A pressure relief valve prevents a
Power_steering
Topics referred to by the same term
Cylinder valve can refer to an inlet or exhaust valve in a piston engine or compressor a direct coupled valve to control the flow of gas into or out of
Cylinder_valve
Detailed diagram in the process industry
instrumentation and control devices. It is also called as mechanical flow diagram (MFD). Superordinate to the P&ID is the process flow diagram (PFD) which
Piping and instrumentation diagram
Piping_and_instrumentation_diagram
Type of shutoff valve
petcock is a small shut-off valve used to control the flow of liquid or gas. Historically, petcocks were threaded valves controlled by a butterfly handle;[citation
Petcock
Type of machine that uses liquid fluid power to perform work
supply a continuous flow. The flow is returned to tank through the control valve's open center; that is, when the control valve is centered, it provides
Hydraulic_machinery
Device that imparts energy to the fluids by mechanical action
signal into a flow controller (FIC) which actuates a flow control valve (FCV) in the recycle line. If the measured flow exceeds the minimum flow then the FCV
Pump
Valve or plate for regulating airflow
A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A
Damper_(flow)
fail closed (valve or damper) FCGT – flood clean gauge test FCM – flow control module FCP – final circulating pressure FCV – flow control valve FCVE – F-curve
List of abbreviations in oil and gas exploration and production
List_of_abbreviations_in_oil_and_gas_exploration_and_production
Closed or semi-closed circuit scuba
the control system through a solenoid valve, or manually by the diver. Constant mass flow is achieved by sonic flow through an orifice. The flow of a
Diving_rebreather
American manufacturing company
divisions for Steel Pipe, Ductile Iron Pipe (both based in Birmingham), Flow Control (valve- and hydrant-producing facilities in Beaumont, Texas, and South St
American Cast Iron Pipe Company
American_Cast_Iron_Pipe_Company
Temperature control system
thermostatically controlled valve to regulate the water flow and temperature to an adjustable level. In older vehicles the thermostat controls the application
Thermostat
Vehicle device controlling engines
An idle air control actuator or idle air control valve (IAC actuator/valve) is a device commonly used in fuel-injected vehicles to control the engine's
Idle_air_control_actuator
Medical condition
Bicuspid aortic valve (BAV) is a form of heart disease in which two of the leaflets of the aortic valve fuse during development in the womb resulting
Bicuspid_aortic_valve
Computer that adjusts electronics in an internal combustion propulsion system
New York Times. Retrieved 2009-01-16. "How Proportional Valve Control Module control the oil flow direction". www.genndih.com. Retrieved 2023-06-03. Gunston
Engine_control_unit
Safety testing procedure
a technique used in a control system to allow the user to test a percentage of the possible failure modes of a shut down valve without the need to physically
Partial_stroke_testing
Replacement of a valve in the human heart
Heart valves can malfunction for a variety of reasons, which can impede the flow of blood through the valve (stenosis) and/or let blood flow backwards
Artificial_heart_valve
System to relieve pressure in a combustion engine's crankcase
installed with them, are commonly known as "oil catch tanks". The PCV valve controls the flow of crankcase gases entering the intake system. At idle, with almost
Crankcase_ventilation_system
Computerized control system with distributed decision-making
to a control-valve positioner. The positioner adjusts the valve to regulate the process flow. Termination and marshalling equipment provides the physical
Distributed_control_system
Pressure-release system in turbocharged engines
A blowoff valve (BOV) (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff
Blowoff_valve
Control of engine power
locomotive, the valve which controls the steam is known as the regulator. In an internal combustion engine, the throttle is a means of controlling an engine's
Throttle
Process of fluid flow becoming turbulent
so the behaviour of the layer of dyed flow could be observed, and at the end of this pipe was a flow-control valve used to vary the water velocity inside
Laminar–turbulent_transition
Device for releasing excess pressure in a system
Ball valve Butterfly valve Control valves Flow limiter Globe valve Needle valve Pilot-operated relief valve Relief valve Safety shutoff valve Shaft furnace
Safety_valve
Form of body fluid sampling procedure
puncture site bandaged. The plastic sheath can be left in place with a flow control valve and protective dressing if further treatments are expected to be necessary
Paracentesis
Electrode used to control electron flow within a vacuum tube
The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of
Control_grid
Use of fluids under pressure to generate, control, and transmit power
tools or work pieces are moved or held using fluid power. Variable-flow control valves and position sensors may be included in a servomechanism system for
Fluid_power
Manufacturer of pneumatic components and systems
valves, pneumatic cylinders, directional control valves, pressure control valves, electro-pneumatic valves, solenoid valves, pneumatic fittings, flow
Aventics
Field of fluid dynamics
Flow control is a field of fluid dynamics. It involves a small configuration change to serve an ideally large engineering benefit, like drag reduction
Flow_control_(fluid)
Aircraft landing on a body of water
the emergency RAT, the avionics inlet, the extract valve, and the flow control valve. It is meant to slow flooding in a water landing. Aircraft also sometimes
Water_landing
One time use propulsion component
pyrotechnic valve, also explosive actuated valve, short pyro valve or pyrovalve is a one time use propulsion component often used to control propellant
Pyrotechnic_valves
Valve used for taking samples
valve's "dead space". For example, a ball valve commonly found in tap valves consists of a ball that control the flow of the liquid. Once the valve is
Sampling_valve
American Aerospace Company
testing firm. RL10 cryogenic flow control valves Atec has manufactured, assembled, and tested cryogenic flow control valves for the RL10 liquid-fueled rocket
Atec
Means of slowing a diesel engine
(EPM) that controls the back pressure which in turn improves the braking performance across a range of engine speeds. An exhaust brake is a valve which essentially
Exhaust_brake
sleeve valve is a device typically used in a water supply or distribution system when there is a need to reduce high pressure or throttle flow. The sleeve
Sleeve_valve_(water)
A transmission solenoid or cylinoid is an electro-hydraulic valve that controls fluid flow into and throughout an automatic transmission. Solenoids can
Transmission_solenoid
FLOW CONTROL-VALVE
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FLOW CONTROL-VALVE
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