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PROPORTIONER [13 fiches]

Fiche 1 2016-12-07

Anglais

Subject field(s)
  • Fire-Fighting and Rescue Equipment
  • Extinguishing Agents
DEF

Device in which the foam compound is added to the water and which can be fitted at any point in the delivery hose.

DEF

Equipment designed to induce foam concentrate into a water stream, usually positioned between the pump and the branch pipe. [Definition standardized by ISO.]

CONT

in-line inductor : This type of proportioner educts or drafts foam concentrate from a container or tank by venturi action, utilizing the operating pressure of the hose water stream on which it is installed, injecting concentrate into that flow of water.

CONT

There are three different types of foam proportioners commonly used in the fire service: line eductors, balanced pressure proportioners, and around-the-pump proportioners. The line eductor is the simplest and least expensive proportioning device. It has no moving parts in the water way, which makes it durable and dependable. The line eductor may be attached to the hoseline or may be part of the nozzle. There are two different types of line eductors: the in-line eductor and the self-educting nozzle. Both types of eductors use the venturi principle to draft foam concentrate into the water stream. As water at high pressure passes over a reduced opening, it creates a low-pressure area near the outlet side of the eductor. This low-pressure area creates a suction effect. The eductor pickup tube is connected to the eductor at this low-pressure point. The pickup tube submerged in the foam concentrate draws concentrate into the water stream, creating a foam water solution.

OBS

foam inductor: A piece of equipment that introduces the proper quantity of foaming agent into a water stream.

OBS

in-line: Referring to a device or fitting inserted in series with (or parallel to the flow in) a hose line.

OBS

in-line foam concentrate inducer: term standardized by ISO.

Terme(s)-clé(s)
  • inline eductor
  • inline foam eductor
  • inline proportioner
  • inline foam proportioner
  • inline foam inductor

Français

Domaine(s)
  • Matériel de secours et de lutte (incendies)
  • Agents extincteurs
DEF

Appareil intercalé dans l'établissement des tuyaux de refoulement, dans lequel s'opère le mélange du produit émulsifiant et de l'eau d'extinction.

DEF

Équipement conçu pour injecter l'émulseur dans l'eau, généralement placé entre la pompe et l'applicateur. [Définition normalisée par l'ISO.]

OBS

injecteur d'émulseur en ligne : terme normalisé par l'ISO.

Espagnol

Campo(s) temático(s)
  • Equipo de salvamento y lucha contra incendios
  • Agentes extintores
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Fiche 2 2011-06-21

Anglais

Subject field(s)
  • Breadmaking

Français

Domaine(s)
  • Boulangerie

Espagnol

Campo(s) temático(s)
  • Panificación
Conserver la fiche 2

Fiche 3 2011-01-14

Anglais

Subject field(s)
  • Fire-Fighting and Rescue Equipment
DEF

foam proportioner : A device using any of several means for mixing correct proportions of foam concentrate with water to generate air foam.

DEF

foam eductor; foam inductor; induction device: A venturi type device for drawing foam concentrate from a container in correct proportions and introducing it into a water stream.

CONT

Foam Concentrate Proportioners. In order that a predetermined volume of liquid foam concentrate may be taken from its source and placed into a water stream to form a foam solution of fixed concentration, the following two general method classifications are made: 1. Methods which utilize the pressure energy of the water stream by venturi action and orifices to induct concentrate. ... Methods which utilize external pumps or pressure heads to inject concentrate into the water stream at a fixed ratio to flow.

Français

Domaine(s)
  • Matériel de secours et de lutte (incendies)
DEF

Appareil, fonctionnant suivant le principe de Venturi, destiné à introduire de l'émulseur dans une veine d'eau en vue de former une solution moussante.

CONT

Les appareils producteurs de mousse. Les injecteurs. Aussi appelés proportionneurs, prémélangeurs, doseurs ou encore hydro-injecteurs. Rôle : Mélanger à l'eau une quantité déterminée d'émulseur pour obtenir une solution moussante convenablement dosée. Certains sont réglés une fois pour toutes en usine, d'autres sont munis d'un dispositif de réglage du débit d'émulseur.

Espagnol

Campo(s) temático(s)
  • Equipo de salvamento y lucha contra incendios
DEF

Equipo destinado a introducir el espumógeno, con la dosificación deseada, en la línea de impulsión de agua.

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Fiche 4 2010-07-27

Anglais

Subject field(s)
  • Fire-Fighting and Rescue Equipment
  • Extinguishing Agents
CONT

Around-the-pump proportioner : This type of proportioner also operates on the venturi principle [as does the "in-line inductor"], except that it must be situated at the pump and connected to both suction and pressure sides. Its advantage is that pressure recovery of the venturi action is attained, and pump delivery pressures to the foam-making device or devices downstream require no compensation for pressure loss except for that in the layout hose length.... A small portion of the pump discharge flows through a bypass line to the suction side of the pump. A venturi eductor in this line produces a negative pressure on the foam concentrate pickup line from the foam concentrate container. Foam concentrate is led to the eductor where it mixes with water and is delivered to the suction side of the pump.

Terme(s)-clé(s)
  • foam concentrate pickup tube
  • foam concentrate pick-up line
  • eductor pick-up tube

Français

Domaine(s)
  • Matériel de secours et de lutte (incendies)
  • Agents extincteurs
OBS

tube plongeur : proposition confirmée par le Centre de secours de l'Association nationale des sapeurs pompiers volontaires, en France.

Espagnol

Conserver la fiche 4

Fiche 5 2010-04-06

Anglais

Subject field(s)
  • Fire-Fighting and Rescue Equipment
  • Extinguishing Agents
DEF

A type of foam concentrate proportioning system in which a pump and appropriate devices feed the concentrate to a metering orifice or controller at the same pressure as that of the water supply.

CONT

Balanced pressure proportioner : The use of a separate pump for transporting and pressurizing foam concentrate to be delivered in the correct proportions to a flowing water stream offers the greatest advantage for reliable and accurate operation of a foam concentrate proportioning system which must function at varying rates of volume or pressure during its use.... The balanced pressure system... relies on :(1) a hydraulically monitored pressure control valve in a bypass foam concentrate line from a pump, and(2) a correctly sized venturi-type proportioning controller in the water line for correct and automatic proportioning over wide ranges of flow.

CONT

Balanced-pressure proportioners and around-the-pump proportioners are both systems that are built into the apparatus fire pump. Apparatus equipped with a balanced-pressure proportioner have a foam concentration line connected to each discharge outlets. This line is supplied by a foam concentrate pump separate from the main fire pump. The foam concentrate pumps draws the concentrate from a fixed tank on the apparatus. This pump is designed to supply foam concentrate to a desired outlet at the same pressure at which the fire pump is supplyng water to that discharge.

Français

Domaine(s)
  • Matériel de secours et de lutte (incendies)
  • Agents extincteurs
OBS

proportionneur à pression équilibrée; injecteur à pression équilibrée : propositions confirmées par le Centre de secours de l'Association nationale des sapeurs pompiers volontaires, en France.

Espagnol

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Fiche 6 2006-10-12

Anglais

Subject field(s)
  • Industrial Tools and Equipment
  • Beverages
OBS

Method for preparing a carbonated beverage. A method of preparing a beverage from a syrup and water containing dissolved air, comprising the steps of leading a quantity of water from a remote source through a check valve to a proportioner device through a first conduit at a relatively low pressure, mixing the water with syrup in the proportioner to form an uncarbonated beverage mix, leading the beverage mix from the proportioner to a carbonator, introducing an excess of carbon dioxide gas to the beverage mix, mixing the carbon dioxide gas and the beverage mix in the carbonator...

Français

Domaine(s)
  • Outillage industriel
  • Boissons (Industrie de l'alimentation)

Espagnol

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Fiche 7 2005-05-11

Anglais

Subject field(s)
  • Measuring Instruments
  • Extinguishing Agents
DEF

A device that adds a predetermined amount of liquid foam or retardant concentrate to water to form a solution.

Français

Domaine(s)
  • Appareils de mesure
  • Agents extincteurs
DEF

Dispositif ajoutant une quantité prédéterminée de mousse liquide ou de retardant concentré à l'eau pour former une solution.

Espagnol

Conserver la fiche 7

Fiche 8 2002-03-08

Anglais

Subject field(s)
  • Fire-Fighting and Rescue Equipment
  • Extinguishing Agents
DEF

A type of liquid foam concentrate proportioning device that feeds the concentrate into the water at the output side of the pump rather than through the pump.

CONT

Balanced-pressure proportioners and around-the-pump proportioners are both systems that are built into the apparatus fire pump. ... The around-the-pump proportioning system consists of a pickup line on the discharge side of the pump back to the intake side of the pump. An in-line eductor is positioned on this pump bypass. These units are rated for a specific flow and should be used at this rate, although they do have some flexibility. For example, a unit designed to flow 500 gpm (2,000 L/min) at a 6 percent concentration will flow 1,000 gpm (4,000 L/min) at a 3 percent rate.

CONT

Around-the-pump proportioner : This type of proportioner also operates on the venturi principle [as does the "in-line inductor"], except that it must be situated at the pump and connected to both suction and pressure sides. Its advantage is that pressure recovery of the venturi action is attained, and pump delivery pressures to the foam-making device or devices downstream require no compensation for pressure loss except for that in the layout hose length.... A small portion of the pump discharge flows through a bypass line to the suction side of the pump. A venturi eductor in this line produces a negative pressure on the foam concentrate pickup line from the foam concentrate container. Foam concentrate is led to the eductor where it mixes with water and is delivered to the suction side of the pump.

Terme(s)-clé(s)
  • around the pump proportioner
  • around the pump inductor
  • around the pump proportioning system

Français

Domaine(s)
  • Matériel de secours et de lutte (incendies)
  • Agents extincteurs

Espagnol

Conserver la fiche 8

Fiche 9 2002-01-07

Anglais

Subject field(s)
  • Dentistry
  • Medical and Surgical Equipment
OBS

a good study [on methods of proportioning mercury and alloy] has been described(...) on the relative accuracy of various types of proportioner currently available.

Français

Domaine(s)
  • Dentisterie
  • Équipement médico-chirurgical
OBS

une grande variété de distributeurs ou doseurs du mercure est offerte à la profession dentaire [...] Le plus commun est celui basé sur le dosage volumétrique, l'autre type ayant pour base le dosage gravimétrique.

Espagnol

Campo(s) temático(s)
  • Odontología
  • Equipo médico y quirúrgico
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Fiche 10 1986-12-12

Anglais

Subject field(s)
  • Extinguishing Agents

Français

Domaine(s)
  • Agents extincteurs

Espagnol

Conserver la fiche 10

Fiche 11 1981-07-28

Anglais

Subject field(s)
  • Animal Feed Processing Equipment
CONT

[The hammer mill' s medicator] is equipped with a hopper agitator to minimize bridging, a 25-setting proportioner dial and variable speed pulley to vary flow(...). Source : Farmatic, Hammer Mills, p. 3.

Français

Domaine(s)
  • Alimentation des animaux (Matériel)
CONT

[Le médicamenteur du moulin à marteaux] est muni d'un agitateur à trémie pour réduire le "pontage" au minimum. Il y a un cadran d'exaportionneur à 25 positions et une poulie à vitesse variable pour modifier l'écoulement. Source: Farmatic, Moulins à marteaux, p. 3.

Espagnol

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Fiche 12 1981-07-28

Anglais

Subject field(s)
  • Animal Feed Processing Equipment
CONT

[The hammer mill' s medicator] is equipped with a hopper agitator to minimize bridging, a 25-setting proportioner dial and variable speed pulley to vary flow(...). Source : Farmatic, Hammer Mills, p. 3.

Français

Domaine(s)
  • Alimentation des animaux (Matériel)
CONT

[Le médicamenteur du moulin à marteaux] est muni d'un agitateur à trémie pour réduire le "pontage" au minimum. Il y a un cadran d'exaportionneur à 25 positions et une poulie à vitesse variable pour modifier l'écoulement. Source: Farmatic, Moulins à marteaux, p. 3.

Espagnol

Conserver la fiche 12

Fiche 13 1976-06-19

Anglais

Subject field(s)
  • Air Transport

Français

Domaine(s)
  • Transport aérien

Espagnol

Conserver la fiche 13

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