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

    四、抽真空(PUMP DOWN) 高真空(进入自动) 1.下降炉体不到位(感应器感应不到) 以致无法投入自动作业程序。 基于12个网页-相关网页 短语 pump-down tool 泵送工具 pump-down 排空 Pump-down time 抽气时间 ...

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  • Rerfrigeration Pump Down - HVAC Know It All

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

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  • Pump-down time | Article about pump-down time

    Looking for pump-down time? Find out information about pump-down time. The length of time required to evacuate a leak-tested vessel. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © …

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  • Refrigeration Control System? Understanding A

    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. How is this accomplished? The control thermostat opens or closes the valve.

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  • Refrigeration Pump-down Cycle - HVAC School

    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 …

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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 …

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  • LE PUMP-DOWN ET POURQUOI - frigoristes.fr

    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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  • Refrigeration Control System? Understanding A

    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. How is this accomplished? The control thermostat opens or closes the valve.

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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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  • 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 …

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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 hit, you can't turn the breast on and …

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  • Refrigerant Pump-Down Method | HVAC

    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 …

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

    2021-5-13 · 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 …

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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 …

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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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  • What is Cavitation in Centrifugal Pumps - Definition

    2019-5-22 · Net Positive Suction Head or NPSH for pumps can be defined as the difference between the suction pressure and the saturation pressure of the fluid, expressed in terms of height of liquid column. NPSH is used to measure how close a fluid is to saturated conditions. Lowering the pressure at the suction side can …

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  • What is Pump Capacity? - Definition from

    2017-9-30 · Based on this definition, pump capacity is expressed as fluid volume per unit time. Some of the most common units of pump capacity are: Gallons per minute (gpm) Liters/minute (L/min) Cubic meters per hour (m3/h) Figure 1: Illustration of pump capacity showing a specific volume of fluid passing through a tube in 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 …

    Get Price
  • 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 hit, you can't turn the breast on and …

    Get Price
  • 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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  • Pump definition and meaning | Collins English

    2021-5-17 · 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 | meaning in the Cambridge English

    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 - WordReference.com Dictionary of English

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

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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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  • 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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  • 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 …

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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 …

    Get Price
  • 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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  • 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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  • PUMP | meaning in the Cambridge English

    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 - WordReference.com Dictionary of English

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

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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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  • 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'?

    Get Price
  • System Curve and Pump Performance Curve

    2021-5-7 · The System Curve. A fluid flow system is characterized with the System Curve - a graphical presentation of the Energy Equation.. The system head visualized in the System Curve above is a function of elevation - or the static head and the major and minor losses in the system and can be expressed as:. h = dh + h l (1). …

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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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  • Froid13-Schéma électrique-Arrêt compresseur

    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 …

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  • Penis pump - Mayo Clinic

    A penis pump is one of a few treatment options for the inability to get or maintain an erection sufficient for sex (erectile dysfunction). A penis pump consists of a plastic tube that fits over the penis, a hand or battery-powered pump attached to the tube, and a band that fits around the base of the penis once it is erect (constriction ring).

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  • PUMP | meaning in the Cambridge English

    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 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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  • 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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  • pump | meaning of pump in Longman Dictionary

    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 work pumping gas.

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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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  • 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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  • Froid13-Schéma électrique-Arrêt compresseur

    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 …

    Get Price
  • 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 …

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  • Penis pump - Mayo Clinic

    A penis pump is one of a few treatment options for the inability to get or maintain an erection sufficient for sex (erectile dysfunction). A penis pump consists of a plastic tube that fits over the penis, a hand or battery-powered pump attached to the tube, and a band that fits around the base of the penis once it is erect (constriction ring).

    Get Price
  • System Curve and Pump Performance Curve

    2021-5-7 · The System Curve. A fluid flow system is characterized with the System Curve - a graphical presentation of the Energy Equation.. The system head visualized in the System Curve above is a function of elevation - or the static head and the major and minor losses in the system and can be expressed as:. h = dh …

    Get Price