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61 насос сплинкерной системы пожаротушения
насос сплинкерной системы пожаротушения
жокей-насос
-Принцип работы насосной установки спринклерной системы пожаротушения, в состав которой входит жокей-насос
В случае падения давления воды в спринклерной системе, первым включается жокей-насос. Если расход воды небольшой и жокей-насос справляется с восполнением утечки, то через некоторое время после достижения верхнего предела заданного давления он выключится. Если же это не протечка, а открылось несколько спринклеров и расход воды значительный, то даже при работающем жокей-насосе давление продолжает падать. В этом случае, по сигналу второго реле давления, включается пожарный насос. Резервный агрегат включается в случае невыхода основного на рабочий режим. Независимо от того, потушен пожар или нет, пожарные насосы сами не отключаются, их можно выключить только вручную со шкафа управления.
[ http://www.airweek.ru/pr_news_137.html]
Jockey Pump
A jockey pump is a small pump connected to a fire sprinkler system and is intended to maintain pressure in a fire protection piping system to an artificially high level so that the operation of a single fire sprinkler will cause an appreciable pressure drop which will be easily sensed by the fire pump automatic controller, causing the fire pump to start. The jockey pump is essentially a portion of the fire pump's control system.
In the U.S.
The application of a jockey pump in a fire protection system is covered by documents produced by the NFPA (National Fire Protection Association,) known as NFPA 20 "Fire Pumps" Standard and NFPA 13 "Design and Installation of Fire Sprinkler Systems". These must be inspected as with any other part of the system per NFPA 25 "Inspection and Testing of Water-Based Fire Protection Systems".Fire protection systems are governed in most states by statute, building code, and/or fire code.
In India
This jockey pump is also a must while designing the Fire Hydrants Pumps skid for Industrial installations.While the logic followed for the effective operation of the fire fighting pumps may depend upon or vary as per the regulations in a particular country, in India, the pump manufacturers like Mather-Platt with standard Fire Pumps generally adhere to the TAC guidelines (Tariff Advisory Committee guidelines).
Although India's premier manufacturer Kirloskar Brothers Limited, with approvals from UL and FM Global, LPCB, ASIB: follows TAC guidelines (Tariff Advisory Committee guidelines), or FM GLobal and UL standards depending on the clients needs.
If one is following the TAC guidelines, follow this approach
*Once the complete fire fighting circuit is under pressure by operating the pumps for sufficient time provided all the fire hydrant valves (Single yard hydrants, Fire escape hydrants, etc)are closed, the main pump stops.
*Due to some leakages somewhere in the fire fighting piping circuit, when there is a loss of system pressure which will be constantly monitored by the Pressure sensors in the circuit, the jockey pumps receives a signal to start from the automatic control panel, and will run to augment this loss of pressure by pumping more water into the circuit. Once the pressure is maintained as per the set point, it stops.
*If any hydrant valve is opened due to some fire and water is consumed, then the jockey pump due to its small capacity compared to the main pumps (one running, one stand-by)in terms of volumetric capacity, the main pump will start and then the jockey immediately stops.This way jockey pump is important which senses the loss of pressure in the circuit first.[ http://en.wikipedia.org/wiki/Jockey_pump#Jockey_Pump]
Тематики
Синонимы
EN
Русско-английский словарь нормативно-технической терминологии > насос сплинкерной системы пожаротушения
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62
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63 Australia
1) Australian slang: the lucky country2) Politics: AS3) Abbreviation: AS (NATO country code), Aus, Aus, Aust, Austral., (top-level domain name) AU, (including Ashmore, Cartier & Coral Sea Islands) AS4) File extension: .au -
64 Macau
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65 Международный кодекс безопасной перевозки облучённого ядерного топлива, плут
Универсальный русско-английский словарь > Международный кодекс безопасной перевозки облучённого ядерного топлива, плут
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66 более высокий уровень модульного построения программ
Programming: higher level of code modularityУниверсальный русско-английский словарь > более высокий уровень модульного построения программ
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67 более высокий уровень модульности кода
Programming: higher level of code modularityУниверсальный русско-английский словарь > более высокий уровень модульности кода
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68 гриф секретности
1) Computers: security classification2) Military: classification, classification marking, defense classification, defense classification (устанавливаемый МО), degree of classification, secrecy grading, security grading3) Telecommunications: classification code4) Cartography: security classification (картоматериалов)5) EBRD: privacy wording6) Security: classification (объектов), classification level, secrecy label (информации), security label (информации) -
69 код моделирования хода боевых действий на уровне ТВД
Military: theater-level combat simulation codeУниверсальный русско-английский словарь > код моделирования хода боевых действий на уровне ТВД
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70 код страны домена верхнего уровня
Telecommunications: cc TLD (country code top-level domain)Универсальный русско-английский словарь > код страны домена верхнего уровня
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71 код страны домена высшего уровня
Telecommunications: ccTLD, country code Top Level DomainУниверсальный русско-английский словарь > код страны домена высшего уровня
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72 кодовая форма для передачи данных от шаров-зондов постоянного уровня
Универсальный русско-английский словарь > кодовая форма для передачи данных от шаров-зондов постоянного уровня
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73 кодовая форма для передачи данных шаров-зондов постоянного уровня
Универсальный русско-английский словарь > кодовая форма для передачи данных шаров-зондов постоянного уровня
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74 на уровне исходного кода
Information technology: source-code-levelУниверсальный русско-английский словарь > на уровне исходного кода
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75 режим работы
1) General subject: behavior, operation, working, operating mode, operating practices (АД), hours of operation2) Aviation: rating3) Naval: mode of vibration4) Military: method of operating, method of working, routine5) Engineering: environment, operating regime, operational conditions, performance, practice, running regime, service conditions, type of operation, working mode (The working mode of the trap is with blast discharge.), OM6) Construction: operating stage (прибора, машины)7) Mathematics: the mode of operation8) Railway term: cycle, cycle of operation, duty-cycle rating9) Law: work pattern (нормированный или ненормированный рабочий день, гибкий график и т.д.)10) Economy: operating principle, working system12) Metallurgy: working regime13) Music: handling condition14) Polygraphy: level15) Telecommunications: functional mode17) Information technology: execution option, function code, mode of operation, regime18) Oil: environmental conditions, mode of working, routine of work, duty19) Astronautics: mission profile, operate condition, operational mode20) Transport: performance record22) Mechanics: working condition23) Business: behaviour24) Drilling: operating practice, operative conditions, run (машины), work schedule25) Sakhalin energy glossary: duty (оборудования), work condition (TEOC), work mode26) Industrial economy: schedule27) Microelectronics: action, conditions, operating conditions, operation conditions28) Polymers: working conditions29) Automation: classification group (основные характеристики, напр. крана), operation mode, processing rate (напр. ГПС), rate, run mode, process rate (напр. ГПС), operation pattern30) Quality control: character of service, operating condition, operating procedure, operation condition, operative condition, (установившийся) routine of work31) Robots: run regime33) Makarov: behaviour (машины и т.п.), mode of behaviour, mode of functioning, running conditions (машины), state of working34) Gold mining: schedule of operations35) Electrochemistry: working range36) SAP.tech. OP mode37) oil&gas: operating duty, production conditions -
76 системная программа
1) Engineering: operating software, operational software, software program, system program, system software2) Accounting: system programme3) Information technology: software routine, systems programУниверсальный русско-английский словарь > системная программа
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77 целевая программа
1) General subject: dedicated programme, focused programme (AD), grant programme (AD), grant scheme (AD), special-purpose programme2) Engineering: target program4) Business: purpose-oriented program5) Sakhalin energy glossary: target-oriented program6) Programming: target code7) Automation: goal-oriented program, task program, task-level program -
78 обращаться
Обращаться в-- Quoting the code, potential buyers approach the waste exchange. (... обращаются в организацию, занимающуюся обменом отходов) Обращаться к - to address, to invoke; to refer to, to turn to; to focus attention on, to call onOnce the first-stage furnace size and second-stage adiabatic temperatures were determined, the remainder of the boiler design was addressed.Once the optimum level of solidity of heat exchanger in the bed is determined for a given bed configuration, one can address the question of solidity variation with height.For demonstration purposes assume 0.91 availability and refer to Table.First a search program is invoked which, based on these assumptions, locates the liquid-liquid interfaces. (Вначале обратимся к программе...)To facilitate the discussion attention will be focused on Fig. (... обратимся к рис.)—основное внимание обращается на—причём особое внимание обращается наРусско-английский научно-технический словарь переводчика > обращаться
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79 R78.0
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80 автоматизированное проектирование
1. man-machine design2. CAD3. computer aided design4. computer-aided designРусско-английский большой базовый словарь > автоматизированное проектирование
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