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Ab qm

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Cette présentation discute des différentes vannes de balancement disponibles. Les avantages et économies provenant de l’utilisation des vannes à opération indépendante de la pression sont ensuite discutés.

Published in: Engineering
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Ab qm

  1. 1. Valve de contrôle indépendante de la pression AB-QM
  2. 2. Défis auxquels les ingénieurs/concepteurs font face • Financement limité de la part des propriétaires • Coûts d’énergie qui augmentent • Complexité du pompage à vitesse variable • Construction de bâtiments en phases • Bâtiments “verts” avec de faibles débits et de grands delta T
  3. 3. Valve de contrôle indépendante de la pression - Solutions • Économies d’énergie o Chaudière/refroidisseur: 10% à 47% d’amélioration de l’efficacité liée à un meilleur contrôle du delta T o Pompe: 10% à 50% de réduction dans la consommation d’énergie liée à l’optimisation du pompage • Réduction dans la grosseur des pompes/refroidisseurs: o Coût intial réduit o Consommation d’énergie réduite – Plus besoin de balancement traditionnel – Opportunité dans le “retrofit” o Augmentation de la capacité des refroidisseurs en éliminant le syndrôme du faible delta T
  4. 4. Valve de balancement manuelle avec valve de contrôle: • Valve de balancement manuelle, méthode et pratique de balancement requis, pas balancé à charge partielle, faible autorité pour la valve de contrôle) Pas balancé à charge partielle Valve de balancement automatique avec valve de contrôle: • Valve de balancement automatique qui limite le débit avec les cartouches de balancement , débit fixe, recommandée pour des applications arrêt/départ (faible autorité pour la valve de contrôle) Contrôle ON/OFF seulement Sommaire des approches classiques de balancement
  5. 5. Solution PICV avec deux bénéfices • Balancement dynamique – Le débit d’eau est balancé lors des cas de charge et débit partiel et non seulement à pleine charge • Optimisation du delta T – Avec un meilleur contrôle du débit on optimise le delta T dans les cas de charge partielle. Ceci augmente l’efficacité globale du système La technologie PICV combine une valve de contrôle à deux voies avec un régulateur de pression différentielle Ceci remplace la valve de contrôle et la valve de balancement
  6. 6. Pour la présentation complète, communiquez avec votre représentant. 514-738-9865

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