pump down definition

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  • Definition & Meaning PUMP DOWN

    PUMP DOWN. The act of using a compressor or a pump to reduce the pressure in a container or a system. Source: massengineers.com. << PSYCHROMETRY. REGENERATIVE CYCLE >>.

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  • PUMP-DOWN | Definition of PUMP-DOWN by Oxford

    noun. The action or process of reducing the pressure of air or other gas inside an enclosed volume by pumping.

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  • Rerfrigeration Pump Down - HVAC Know It All

    Understanding A Pump Down System? A pump down refrigeration control system is often used in industrial applications. What is a pump down system? A pump down system simply uses a solenoid valve in the liquid line to isolate the refrigerant in the receiver.

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  • Refrigeration Control System? Understanding A Pump

    2020-4-14 · This is why we use a “pump down” type system. In operation, a pump down control consists of little more than a liquid line solenoid valve, a thermostat control, and a low-pressure control. When the thermostat or defrost control opens, the solenoid de-energizes, stopping the refrigerant flow and allowing the system to pump the suction pressure down before the low-pressure control turns the compressor off.

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  • Refrigeration Pump-down Cycle - HVAC School

    pump definition: 1. a piece of equipment that is used to cause liquid, air, or gas to move from one place to…. Learn more.

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  • Pump - definition of pump by The Free Dictionary

    2014-8-12 · LE 'PUMP-DOWN' ET POURQUOI 1) Définition: Le 'pump-down' c'est à dire le tirage au vide automatique ou unique consiste à vider l'évaporateur de son fluide frigorigène à chaque arrêt du groupe. 2) Principe: Le pump-down est réalisé avec le matériel suivant: - 1 vanne électromagnétique montée sur la conduite liquide de l'installation,

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  • Pump down definition by Babylon’s free dictionary

    Pump down Definition from Science & Technology Dictionaries & Glossaries. Engineering Dictionaries. Technical English by wpv. The act of using a compressor or a pump to reduce the pressure in a container or a system. Pump down Definition by Categories: Science & Technology;

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  • Refrigerant Pump-Down Method | HVAC Refrigeration

    Yes, this is in fact, true and it’s called the refrigerant pump-down method. Whenever a new condensing unit is purchased it is pre-charged at the factory with refrigerant. Most are precharged for a line set up to 25 feet. The refrigerant is released by opening two valves, one for the liquid line (liquid line service valve) and the other for ...

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  • Air Conditioning System Pump Down

    There will come a time, when you have to pump down your air conditioning unit for repairs on the air conditioner.. This air conditioning maintenance activity has a purpose, and that purpose is, to…. accumulate refrigerant in the condenser, or receiver of the air conditioner.. System pump down will also save the time required to contain all refrigerant within the system, while repair works ...

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  • What does PUMP mean? - definitions

    Definition of PUMP in the Definitions.net dictionary. Meaning of PUMP. What does PUMP mean? ... This means a mother will either need to stop to breastfeed, or slow down to pump or hand express some milk. If not, she will be physically uncomfortable, and her milk supply will take a …

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  • PUMP | meaning in the Cambridge English Dictionary

    pump definition: 1. a piece of equipment that is used to cause liquid, air, or gas to move from one place to…. Learn more.

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  • PUMP | definition in the Cambridge English Dictionary

    pump meaning: 1. a piece of equipment that is used to cause liquid, air, or gas to move from one place to…. Learn more.

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  • Régulation pump down (tirage au vide) - ABC CLIM

    2021-5-12 · La régulation en Pump down repose sur l'utilisation d'une électrovanne sur la ligne liquide pilotée par le thermostat d'ambiance . Quand le thermostat est en demande il alimente la vanne liquide, la pression dans l'évaporateur et dans la tuyauterie BP augmente , dés que cette pression atteint la valeur de réglage (enclenchement) du ...

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  • Pump ED 101

    2016-11-12 · required data, the calculator computes the pump down volume, the fill time at various inflow rates, minimum run time, run time at various inflow rates, and the starts per hour. At an inflow of 250 GPM, the pump shown in the example would start about eight times per hour and remain off just 3.5 minutes between starts. If this were a higher head ...

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  • Shutoff Definition | Intro to Pumps

    Shutoff Definition. What is Shutoff? Shutoff head is the head a pump will develop when operating against a closed discharge valve. The point where the left side a pump performance curve intersects with the Y-axis is the shutoff condition. The head corresponding to that point will be produced when the pump is producing no flow.

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  • Importing Pump Definitions Using ModelBuilder

    2019-2-13 · Pump definition information can be extracted from an external data source using ModelBuilder. ... the Key>Label field and then maps each of the fields to be imported with the appropriate property in the Attribute drop down. When syncing out from the model to a data table, the table must contain column headings for each of the properties to be ...

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  • Quick Facts: Migration And Pump Down Systems

    2005-9-30 · Pump Down Systems What is a pump down system and when should it be used? A pump-down system consists of a normally closed solenoid valve installed in the liquid line and a low-pressure control that senses suction pressure. The system operation is as follows: A thermostat is wired to the liquid line solenoid valve.

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  • What does PUMP mean? - definitions

    Definition of PUMP in the Definitions.net dictionary. Meaning of PUMP. What does PUMP mean? ... This means a mother will either need to stop to breastfeed, or slow down to pump or hand express some milk. If not, she will be physically uncomfortable, and her milk supply will take a …

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  • Air Conditioning System Pump Down

    There will come a time, when you have to pump down your air conditioning unit for repairs on the air conditioner.. This air conditioning maintenance activity has a purpose, and that purpose is, to…. accumulate refrigerant in the condenser, or receiver of the air conditioner.. System pump down will also save the time required to contain all refrigerant within the system, while repair works ...

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  • Pump definition and meaning | Collins English

    2021-5-13 · Pump definition: A pump is a machine or device that is used to force a liquid or gas to flow in a... | Meaning, pronunciation, translations and examples

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  • Pump ED 101

    2016-11-12 · required data, the calculator computes the pump down volume, the fill time at various inflow rates, minimum run time, run time at various inflow rates, and the starts per hour. At an inflow of 250 GPM, the pump shown in the example would start about eight times per hour and remain off just 3.5 minutes between starts. If this were a higher head ...

    Get Price
  • Shutoff Definition | Intro to Pumps

    Shutoff Definition. What is Shutoff? Shutoff head is the head a pump will develop when operating against a closed discharge valve. The point where the left side a pump performance curve intersects with the Y-axis is the shutoff condition. The head corresponding to that point will be produced when the pump is producing no flow.

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  • Pump Priming Definition

    Pump priming is the action taken to stimulate an economy, usually during a recessionary period, through government spending and interest rate and tax reductions.

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  • Hydraulic Pump Basics Hydraulic Pump Purpose

    2008-3-16 · Hydraulic Pump/Motor Division In this view the variable orifice is restricting pump flow . Pump outlet pressure is increased and a pressure drop is created across the orifice. The pump pressure will increase until it overcomes the differential spring force and shifts the spool to direct control oil into the servo piston and destroke the pump. The

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  • Water Table Drawdown and Well Pumping

    2000-12-11 · Last revision: 12/11/2000 - js Back to Directory Water Table Drawdown and Well Pumping. R. W. Buddemeier Boldface links are to other atlas sections; italic items are linked to glossary definitions. Withdrawal of a thousand gallons per minute (a common pumping rate for high volume wells) is an unnaturally rapid change in a groundwater system (see appendix on groundwater storage and flow), …

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  • Wastewater Technology Fact Sheet: In-Plant Pump Stations

    2012-9-26 · The two most commonly used types of pump stations are the dry-pit or dry-well and submersible pump stations. In dry-well pump stations the pumps and valves are housed in a pump room (dry pit or dry-well), that can be easily accessed. The wet well is a separate isolated chamber attached or located adjacent to the dry-well (pump room) structure.

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  • pump - WordReference.com Dictionary of English

    pump - WordReference English dictionary, questions, discussion and forums. All Free.

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  • Quick Facts: Migration And Pump Down Systems

    2005-9-30 · A pump-down system consists of a normally closed solenoid valve installed in the liquid line and a low-pressure control that senses suction pressure. The system operation is as follows: A thermostat is wired to the liquid line solenoid valve. On a call for cooling, the thermostat contacts close. This causes the solenoid coil to be energized ...

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  • PUMP | meaning in the Cambridge English Dictionary

    pump definition: 1. a piece of equipment that is used to cause liquid, air, or gas to move from one place to…. Learn more.

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  • pump_1 verb - Definition, pictures, pronunciation and ...

    [transitive] pump something (+ adv./prep.) to move something quickly up and down or in and out He kept pumping my hand up and down. I pumped the handle like crazy. [intransitive] to move quickly up and down or in and out She sprinted for the line, legs pumping. My heart was pumping with excitement.

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  • Pump - Idioms by The Free Dictionary

    Definition of pump in the Idioms Dictionary. pump phrase. What does pump expression mean? Definitions by the largest Idiom Dictionary. Pump - Idioms by The Free Dictionary. ... then the pumping becomes a steady rhythmic motion up and down. Prime the pump. YOUR BIRD COULD BE NMC IF YOU CAN'T PUMP UP THE ACCUMULATOR WHEN NEEDED.

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  • PUMP OUT (phrasal verb) definition and synonyms ...

    Definition and synonyms of pump out from the online English dictionary from Macmillan Education.. This is the British English definition of pump out.View American English definition of pump out.. Change your default dictionary to American English.

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  • Well Pump Drawdown Cycle Volume & Time -

    Definition of draw-down pump cycle. The draw-down volume in a water pump system is the volume of water that can be run out of a pump and pressure tank system before the pump turns on, starting with the pressure tank fully charged and the pump having turned-off at the system CUT-OFF pressure, and ending with the water system reaching the CUT-ON ...

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  • Visual Pump Glossary

    2019-4-26 · Pump terminology with images. ANSI B73.1: this is a standard that applies to the construction of end-suction pumps.It is the intent of this standard that pumps of all sources of supply shall be dimensionnally interchangeable with respect to mounting dimensions, size and location of suction and discharge nozzles, input shafts, baseplates, and foundation bolts.

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  • Biological Pump :: Ocean Carbon & Biogeochemistry

    Marine organisms play a critical role in the global carbon cycle via the biological carbon pump. In the well-lit surface ocean, primary producers use sunlight for energy and dissolved inorganic nutrients to transform dissolved CO 2 into organic carbon. As this organic carbon passes through consumers (e.g., zooplankton, bacteria) in the upper ocean, most of it is converted back to CO 2 via food ...

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  • How to Pump Water Without Electricity - Thrifty

    2016-11-8 · How to use a water-powered water pump (Hydraulic ram pump)? There are two basic requirements for building a hydraulic ram pump: You will need a continuous source of water from a pool or natural spring of sorts that is situated above the pump so the water can flow/”fall” down into it.

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  • PUMP | meaning in the Cambridge English Dictionary

    pump definition: 1. a piece of equipment that is used to cause liquid, air, or gas to move from one place to…. Learn more.

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  • Pump up | Definition of Pump up at Dictionary.com

    Pump up definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!

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  • Pump up - Idioms by The Free Dictionary

    Definition of pump up in the Idioms Dictionary. pump up phrase. What does pump up expression mean? Definitions by the largest Idiom Dictionary. Pump up - Idioms by The Free Dictionary ... batten down; copy out (by hand) Want to thank TFD for its existence? Tell a friend about us, add a link to this page, ...

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  • Pump Out | Definition of Pump Out by Merriam

    Pump out definition is - to produce (something) quickly and frequently. How to use pump out in a sentence.

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  • Breastfeeding: The Pump and Dump Definition

    2020-10-26 · The definition is just as it sounds: To pump or express breastmilk from your breasts and then to immediately dump it (down the drain, for instance) instead of saving it for your baby. But why would a breastfeeding mom decide to do such a thing, especially considering the time and effort required to get this 'liquid gold'?

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  • Pump-and-Dump Definition

    2021-1-28 · Pump-and-dump is an illegal scheme to boost a stock's price based on false, misleading, or greatly exaggerated statements. Pump-and-dump schemes usually target micro- and small-cap stocks.

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  • Froid13-Schéma électrique-Arrêt compresseur-Single

    2012-5-22 · 5 Conclusion. Le schéma “single pump down “de base a un problème, il ne prend pas un compte un cas de figure.. Lorsque la machine est en fonctionnement, que la consigne n’est pas atteinte et qu’il y a une fuite de fluide frigorigène, la puissance frigorifique de la machine diminue et la température de consigne ne peut plus être atteinte. Le compresseur marche tout le temps.

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  • Urban Dictionary: pump the brakes

    2008-2-23 · to tell someone to slow down when trying to jump conclusions about someone or something; to slow your role; to caution another concerning any particular matter

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  • Agilent - Maintaining Your GC/MS System

    2009-11-26 · 69 Foreline pump fluid or Foreline pump oil vapor or calibration valve leak PFTBA 73, 147, 207, 221, 281, Dimethylpolysiloxane Septum bleed or methyl silicone column coating 295, 355, 429 77, 94, 115, 141, 168, 170, Diffusion pump fluid Diffusion pump fluid and related ions 262, 354, 446

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  • Pump | Definition of Pump at Dictionary.com

    Pump definition, an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. See more.

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  • Pump - Definition for English-Language Learners from ...

    Definition of pump written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels.

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  • pump: Meaning and Definition of | Infoplease

    2020-12-9 · to operate or move by an up-and-down or back-and-forth action. to supply with air, as an organ, by means of a pumplike device. to drive, force, etc., as if from a pump: He rapidly pumped a dozen shots into the bull's-eye. to supply or inject as if by using a pump: to pump money into a failing business.

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  • Recovery, evacuation and pump down - Gray Cooling

    Pump down of the air conditioner. On units with service valves, the refrigerant can be pumped down into the outdoor unit when repairs are necessary on the indoor coil or the line set. The video below covers how to complete this operation. Recovery of refrigerant in the air conditioner.

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  • pump | meaning of pump in Longman Dictionary of ...

    pump meaning, definition, what is pump: a machine for forcing liquid or gas into...: Learn more. ... • Rough weather has all but stopped efforts to pump that oil out of the upside-down hull. pump gas • After two years of college, Swensson completed a two-week Standard Oil training course and went to …

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  • Sinking Pump | Definition of Sinking Pump by

    Sinking pump definition is - a pump especially designed for use in shaft sinking —called also sinker.

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  • Urban Dictionary: pump and dump

    2020-12-7 · Having sex with a woman one time and then never talking to them again

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  • 3 Type of Fuel Injection Pump With Definition and ...

    2018-12-1 · 3 Type of Fuel Injection Pump With Definition and Differents Amrie Muchta. 12/01/2018. Advertisement. We know that the diesel engine is a self-ignition engine, that means the combustion is occur by itself. However, combustion in diesel engines does not appear immediately but there are several trigers that cause combustion to occur. At least ...

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  • Cleaning a Breast Pump | FDA

    2021-5-12 · Cleaning the Electrical Unit for a Powered Breast Pump. Electrical units, which hold the motor and batteries, should be wiped down with a clean paper towel or soft cloth after each use.

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  • Grinder pump - Wikipedia

    2021-4-29 · The grinder pump “station” consists of the pump, a tank, and an alarm panel. A pump for household use is usually 1 hp, 1.5 hp or 2 hp.A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing bells,” or attached externally to the pump, typically ...

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