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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

A two-pipe hot water system in which the water, after it has passed through a heating unit, is returned to the boiler along a direct path, so that the total distance traveled by the water, from each radiator, is the shortest feasible.  1, fiche 1, Anglais, - direct%20return%20system

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 OBS

Ce type de système comprend deux conduits : un tuyau pour amener l’eau chaude aux unités terminales et un tuyau pour amener l’eau refroidie vers la chaudière. Le raccordement de retour se fait via un tuyau supplémentaire qui ramène l’eau refroidie directement vers la chaudière en empruntant un chemin parallèle au conduit d’approvisionnement. Cette configuration est difficile à équilibrer de sorte qu’il est essentiel de munir chaque corps de chauffe d’une vanne de régulation.  1, fiche 1, Français, - syst%C3%A8me%20%C3%A0%20deux%20tuyaux%20%C3%A0%20retour%20direct

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

Steam heating systems ... it is a two-pipe system when the heating unit has two separate pipe connections - one used for the steam supply and the other for the condensate return.  2, fiche 2, Anglais, - two%2Dpipe%20system

Record number: 2, Textual support number: 2 CONT

[Hot water heating systems] Two-pipe systems. For large installations the supply of hot water needs to be kept separate from that water which has been cooled by passing through a convector. To accomplish this one pipe is used to supply the hot water, which then empties into another pipe used for return. This type of system provides the water at as high a temperature as possible. The return may be classified as reverse return or direct return.  5, fiche 2, Anglais, - two%2Dpipe%20system

Record number: 2, Textual support number: 1 OBS

double-pipe system: term officially approved by the Lexicon Project Committee (New Brunswick).  6, fiche 2, Anglais, - two%2Dpipe%20system

Fiche 2,  Justifications,  Français

Record number: 2, Textual support number: 1 CONT

Le système de chauffage à deux tuyaux [...] comporte deux tuyaux, dont un d'amenée pour la vapeur, et l'autre de retour, plus petit, pour l'eau de condensation.  1, fiche 2, Français, - syst%C3%A8me%20de%20chauffage%20%C3%A0%20deux%20tuyaux

Record number: 2, Textual support number: 1 OBS

[Chauffage à eau chaude] Dans le chauffage à deux tuyaux [...] Il existe des canalisations distinctes par l'alimentation des corps de chauffe et le retour de l'eau chaude vers la chaudière.  6, fiche 2, Français, - syst%C3%A8me%20de%20chauffage%20%C3%A0%20deux%20tuyaux

Record number: 2, Textual support number: 2 OBS

système à deux tuyaux : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).  7, fiche 2, Français, - syst%C3%A8me%20de%20chauffage%20%C3%A0%20deux%20tuyaux

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

Two-pipe hot water heating system ... Two-pipe system divides into two classification: the system with direct return and the system with the reversed return.  1, fiche 3, Anglais, - two%2Dpipe%20hot%20water%20heating%20system

Record number: 3, Textual support number: 1 OBS

[Hot water heating systems.] Two-pipe systems. For large installations the supply of hot water needs to be kept separate from that water which has been cooled by passing through a convector. To accomplish this, one pipe is used to supply the hot water, which then empties into another pipe used for return. This type of system provides the water at as high a temperature as possible.  2, fiche 3, Anglais, - two%2Dpipe%20hot%20water%20heating%20system

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 OBS

[Chauffage à eau chaude] Dans le chauffage à deux tuyaux [...] il existe des canalisations distinctes pour l'alimentation des corps de chauffe et le retour de l'eau chaude vers la chaudière. On distingue le chauffage à deux tuyaux à distribution supérieure ou chauffage en parapluie et le chauffage à deux tuyaux à distribution inférieure ou chauffage en chandelle.  2, fiche 3, Français, - syst%C3%A8me%20de%20chauffage%20%C3%A0%20eau%20chaude%20%C3%A0%20deux%20tuyaux

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 DEF

A heating system in which one pipe is used for supplying steam to radiator and another pipe is used to return cooled water or condensate to boiler.  4, fiche 4, Anglais, - two%2Dpipe%20steam%20system

Record number: 4, Textual support number: 1 CONT

Two-pipe steam heating systems ... are designed to operate at pressures ranging from subatmospheric (vacuum) to high pressure. Although they use many practical piping arrangements to provide up-flow or down-flow systems, they are conveniently classified by the method of condensate return to the boiler. Condensate can be returned to the boiler by gravity or by use of any one of several mechanical return means.  2, fiche 4, Anglais, - two%2Dpipe%20steam%20system

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 OBS

(...) les installations de chauffage à vapeur (...) Le système de chauffage à deux tuyaux (...) comporte deux tuyaux, dont un d'amenée pour la vapeur, et l'autre de retour, plus petit, pour l'eau de condensation.  1, fiche 4, Français, - syst%C3%A8me%20%C3%A0%20vapeur%20%C3%A0%20deux%20tuyaux

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

Record number: 5, Textual support number: 1 CONT

Two-pipe reversed-return system ... The total pipe resistance is about the same for all radiators. Radiator No. 1 has the longest supply pipe and the shortest return pipe while radiator No. 3 has the longest supply pipe and the shortest return pipe.  1, fiche 5, Anglais, - two%2Dpipe%20reversed%2Dreturn%20system

Record number: 5, Textual support number: 1 OBS

For large installations the supply of hot water needs to be kept separate from that water which has been cooled by passing through a convector. To accomplish this, one pipe is used to supply the hot water, which then empties into another pipe used for return. ... The return may be classified as reverse return or direct return. The reverse return results in a more even flow of water because the supply and return are of equal length, resulting in equal friction losses. The direct return requires slightly less piping.  3, fiche 5, Anglais, - two%2Dpipe%20reversed%2Dreturn%20system

Fiche 5,  Justifications,  Français

Record number: 5, Textual support number: 1 CONT

[Chauffage à eau chaude]. (...) lorsque la température d'eau excède 100 °C il convient pour éviter toute vaporisation intempestive dans les vases d'expansion ouverts, de mettre ces derniers en circulation selon le système dit "du retour inversé".  2, fiche 5, Français, - syst%C3%A8me%20%C3%A0%20deux%20tuyaux%20%C3%A0%20retour%20invers%C3%A9

Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

Record number: 6, Textual support number: 1 CONT

Figure 2 depicts a two-pipe vacuum heating system which uses a condensating pump as a mechanical lift for systems where a part of the heating system is below the boiler room.  1, fiche 6, Anglais, - two%2Dpipe%20vacuum%20heating%20system

Fiche 6,  Justifications,  Français

Fiche 6,  Justifications,  Espagnol