Belimo Vanne De Régulation G2-1/4 Kvs25 100-240VAC Cas De Défaillance NO 90s 3 Points 10Nm IP54 R439/NRF230A-3-O
SKU: 42759433260

Belimo Vanne De Régulation G2-1/4 Kvs25 100-240VAC Cas De Défaillance NO 90s 3 Points 10Nm IP54 R439/NRF230A-3-O

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Description

Belimo Vanne De Régulation G2-1/4 Kvs25 100-240VAC Cas De Défaillance NO 90s 3 Points 10Nm IP54 R439/NRF230A-3-OIl s'agit d'un robinet boisseau sphrique Belimo caractris 2 voies avec un botier en laiton et un joint en EPDM. Le diamtre de l'alsage de la vanne est de DN 10 et la taille de l'orifice est de G 3 4 pouce avec des filets mles. Grce son disque de caractrisation intgr, il assure un contrle du dbit pourcentage gal, ce qui permet une rgulation prcise et constante du dbit du fluide. La pression diffrentielle maximale est de 2 bars. La vanne peut

Il s'agit d'un robinet à boisseau sphérique Belimo caractérisé à 2 voies avec un boîtier en laiton et un joint en EPDM. Le diamètre de l'alésage de la vanne est de DN 10 et la taille de l'orifice est de G 3/4 pouce avec des filets mâles. Grâce à son disque de caractérisation intégré, il assure un contrôle du débit à pourcentage égal, ce qui permet une régulation précise et constante du débit du fluide. La pression différentielle maximale est de 2 bars. La vanne peut fonctionner entre 2 et 130 °C (36 et 266 °F). La valeur Kv de la vanne est de 2,5 m3/h, ce qui équivaut à une valeur Cv de 2,89 gpm. L'actionneur nécessite une tension d'alimentation de 24 V AC/DC. L'actionneur est doté d'une commande à trois points (ouverture-fermeture). L'actionneur ouvre/ferme la vanne en 90 secondes. L'actionneur a un indice de protection IP42. L'actionneur est équipé d'une fonction de sécurité intégrée (NO) qui garantit un fonctionnement sûr en cas de panne de courant.

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SKU: 42759433260

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4.5 ★★★★★
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Verified Purchase
Rachel
Lowell, US
★★★★★ 5
Great Experience !
Format: Hardcover
Received this book as it was described - in new condition! I ordered the book the American way (at the last moment and OMG I need this tomorrow for a gift mode - LOL) and this seller was sooooooo accomodating. Before he had written consent that I would pay extra for postage, he had mailed it. Of course i paid a little extra - well worth it- thank you sooooo much! The book was a huge surprise for the person I gifted it to and so thank you again for allowing me to give it to her on her special day! I would do business with them again! "We must always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor, never the tormented." -- Elie Wiesel
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Reviewed in the United States on August 15, 2010
C
Verified Purchase
Chrisanne
Houston, US
★★★★★ 5
DC - Holocaust Museum
Format: Hardcover
I was going on my first trip to DC and wanted some background on the museum. It was a beautiful book - very powerful.
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Reviewed in the United States on October 16, 2016
M
Verified Purchase
Mary in Baltimore, MD
Louisville, US
★★★★★ 5
) It is a wonderful book about a remarkable place that EVERYONE should visit ...
Format: Paperback
I purchased this book as a gift for someone I had taken to the Holocaust Museum. (I have had a hard copy of the book for years.) It is a wonderful book about a remarkable place that EVERYONE should visit when in DC.
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Reviewed in the United States on November 13, 2016
G
G. Reid
Charlottesville, US
★★★★★ 5
Own This Book Along With A Visit To The Museum
Format: Hardcover
This book tells the story of the founding and exhibits of the Holocaust Museum in Washington, DC. This book does not replace visits to the Museum. It is an excellent reference book to have in combination with visits to the Museum. The Holocaust Museum is one of the finest Museums in Washington, DC. The history told at the Museum is powerful in so many ways. My hope is that humanity can learn from history not to keep repeating the many horrific mistakes that were made during the period of Hitler and Stalin. We must always remember that most of the terrible crimes during this period were sanctioned, promoted and authorized by National Governments. The Governments of nations can and do become evil, corrupt and murderous. We the people of the world must be forever vigilant against vesting too much power in the hands of too few people. Concentrated power almost always becomes corrupt. We must learn from history how to prevent the concentrations of power in too few people. These concentrations of power can sooner or later lead to evil. Even power that is initially built on good intentions will good bad eventually. That is the nature of the human condition that we must fear that charismatic leaders will concentrate power in ways that are unhealthy and deadly. We should find ways to avoid electing charismatic leaders as these types of leaders are just too dangerous. The Holocaust happened just seconds ago in terms of the lifespan of our planet, and something like it will happen again unless we learn the lessons taught to us by history.
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Reviewed in the United States on April 12, 2005
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scott larson
Houston, US
★★★★★ 4
Book was not Hardcover
Format: Hardcover
In the description it says it is hardcover but when book arrived it was a paperback book. Book was suppose to be new but spine of book has stretched out and a small tear on back cover. I have sent book back. Really want hardcover because it is a gift for my mother. It looked like it was a beautiful book and if it does not matter to you if it is Paperback by all means order this book.
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Reviewed in the United States on August 7, 2019

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