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Принцип действия греющего кабеля

06.12.2013 Раздел: Инструмент и оборудование Комментарии: (30) Размер текста: A+ / A-

принцип действия греющего кабеляЗамерзание жидкости в трубопроводе всегда является неприятностью. Длина заторов в трубах может достигать нескольких метров. Удалить подобную пробку не просто, легче не допустить ее образования. Если все же пробка образовалось, то здесь приходит на выручку греющий кабель для труб. За счет эффекта саморегулирования он поддержит требуемую температуру и обеспечит минимально необходимый обогрев трубопровода. Сегодня мы рассмотрим принцип действия греющего кабеля, а так же поговорим о его устройстве и основных типах.

устройство греющего кабеля

устройство греющего кабеля

Греющий кабель – это обычный кабель, степень нагрева которого от протекающего электротока регулируется за счет автоматического изменения его сопротивления. К сети греющий кабель, установленный на водопроводе, обычно подключается при понижении температуры до 5 градусов. В конструкции любого греющего кабеля предусмотрены холодная жила, замыкающая цепь, нагревательный проводник и температурный ограничитель. Изоляция, как правило, выполняется бесшовной, чтобы исключить попадание влаги. Термоограничитель обеспечивает экономный расход энергии, регулируя его в зависимости от окружающей температуры, иногда локально.

способы монтажа греющего кабеля

способы монтажа греющего кабеля

Греющие кабели подразделяются на резистивные провода и саморегулирующиеся изделия. Резистивные кабели могут быть линейными или зональными. В линейных моделях нагрев происходит за счет протекания электротока по единому нагревательному проводнику. Нарезать кусками произвольной длины подобный кабель нельзя. А вот конструкция зональных образцов позволяет разрезать их в произвольном месте от 0,2 до десятка метров, без изменения погонной мощности. Основное отличие саморегулирующегося греющегося кабеля от резистивного заключается в отсутствие изолирующей оболочки.

Мощность тепловыделения определяется окружающей температурой, от которой зависит сопротивление саморегулирующейся полимерной матрицы нагревательной жилы.

Принцип действия греющего кабеля видео:

Принцип действия греющего кабеля Reviewed by Vash-Remontik.ru on . Замерзание жидкости в трубопроводе всегда является неприятностью. Длина заторов в трубах может достигать нескольких метров. Удалить подобную пробку не просто, л Замерзание жидкости в трубопроводе всегда является неприятностью. Длина заторов в трубах может достигать нескольких метров. Удалить подобную пробку не просто, л Rating:
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