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Виды труб для водоснабжения

19.09.2013 Раздел: Сантехника, водоснабжение Комментарии: (38) Размер текста: A+ / A-
стальные трубы

стальные трубы

Существуют различные виды труб для водоснабжения и основным критерием, согласно которому следует осуществлять выбор является материал примененный для их изготовления. Производятся стальные, металлопластиковые трубы, а также изделия из пластика, полипропилена и ряда других материалов.

В недавнем прошлом наиболее распространены были стальные трубы, отличающиеся прочностью и небольшой ценой, способные выдержать давление до 10 мегапаскалей и работать при температурах свыше 100 градусов. Существенными недостатками использования стальных труб в трубопроводных системах водоснабжения являются сложность монтажа, требующего проведения сварочных работ, образование отложений, а также подверженность коррозии.

Свойства труб из металлопласта

трубы из металлопласта

трубы из металлопласта

Водопроводные трубы, произведенные из металлопласта совершенно не восприимчивы к коррозии, на них не формируются солевые отложения, их легко изгибать, а малая шероховатость поверхности гарантирует небольшую величину гидравлических потерь. Простота монтажа посредством обжимных фитингов позволяет при проведении работ обойтись всего двумя гаечными ключами. Большую надежность обеспечивает применение пресс-фитингов, закрепляемых специальным инструментом для прессования. К недостаткам можно отнести сравнительно большой коэффициент линейного расширения, который в десяток раз больше аналогичного показателя для труб из стали.

Преимущества полипропиленовых труб

Более современным и технологичным решением при организации водоснабжения будет использование полипропиленовых труб. Они просты в монтаже, легки, не подвержены коррозии, через них не проходят блуждающие токи. Длительный срок службы, достигающий полувека, и низкая теплопроводность, исключающая необходимость применения тепловой изоляции, обеспечили полипропиленовым трубам заслуженную популярность. Имеется возможность подключения труб из полипропилена к металлическим трубопроводам посредством особых фитингов, снабженных вмонтированной металлической резьбой. Поставляются специальные держатели, обеспечивающие парное крепление полипропиленовых труб холодного и горячего водоснабжения к стенам. Шаг между соседними креплениями не должен превышать полуметра, чтобы предотвратить провисание труб.

полипропиленовые трубы

полипропиленовые трубы

Водопроводные трубы из пластика

водопроводные трубы из пластика

водопроводные трубы из пластика

Из рассмотренных в данной статье видов труб для водоснабжения наиболее дешевый вариант представляют собой трубы выполненные из пластика. Однако невысокая цена является единственным серьезным достоинством этих изделий. При длительной эксплуатации пластик выделяет в воду токсины, в частности, такой сильный канцероген как хлорэтилен. Пластиковые трубы произведены из горючего материала, выделяющего при пожаре различные ядовитые газы, линейный коэффициент расширения пластиковых труб в 5,5 раз выше, чем у продукции из металлопласта, а рабочая температура не превышает 80 градусов.

Виды труб для водоснабжения Reviewed by Vash-Remontik.ru on . [caption id="attachment_2860" align="alignleft" width="150"] стальные трубы[/caption] Существуют различные виды труб для водоснабжения и основным критерием, сог [caption id="attachment_2860" align="alignleft" width="150"] стальные трубы[/caption] Существуют различные виды труб для водоснабжения и основным критерием, сог Rating:
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    Металлопластиковые трубы можно применять во всех трубопроводах загородных домов, для внутреннего водопровода городской квартиры. Основной недостаток таких труб в том, что, если они открыты, их легко повредить, поэтому монтаж труб из металлопластика в стояках централизованного водоснабжения допускается только внутри стен.

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