Назад в каталог
Игольчатые вентили
- Цельный кованый корпус, толстостенная конструкция
- Разнообразие торцевых соединений
- Доступен пневматический привод
до 413 бар
от -60 до 648 с
Игольчатые вентили серии NV1
Рабочее давление до 413 бар
Рабочая температура от -53 до +648 °С
до 689 бар
от -60 до 648 с
Игольчатые вентили серии NV2
Рабочее давление до 689 бар
Цельная конструкция корпуса
до 413 бар
от -60 до 648 с
Игольчатые вентили серии NV3
Рабочее давление до 413 бар
Рабочая температура от -53 до +648 °С
до 344 бар
от -60 до 315 с
Игольчатые вентили серии NV4
Рабочее давление до 344 бар
Рабочая температура от -53 до 315 °С
до 413 бар
от -60 до 315 с
Игольчатые вентили серии NV5
Рабочее давление до 413 бар
Рабочая температура от -53 до 315 °С
до 20.6 бар
от -60 до 93 с
Игольчатые вентили серии NV6
Максимальное рабочее давление до 300 фунтов на квадратный дюйм (20,6 бар)
Рабочая температура от -20 до 200 ℉ (от -28 до 93 ℃)
до 206 бар
от -60 до 232 с
Игольчатые вентили серии NV7
Рабочее давление до 206 бар
Рабочая температура от -28 до 232 °С
до 413 бар
от -60 до 648 с
Игольчатые вентили серии NV8
Рабочее давление до 413 бар (6000 фунт/кв.дюйм)
Рабочая температура от -53 °С до 648 °С (от -65 до 1200 °С)
до 137 бар
от -60 до 204 с
Игольчатые вентили тонкой регулировки серии MV1
Максимальное рабочее давление до 137 бар (2000 фунт/кв. дюйм)
Рабочая температура от -23 до 204 °С (-10 до 400 °F)
до 68.9 бар
от -60 до 204 с
Игольчатые вентили тонкой регулировки серии MV2
Рабочее давление до 68,9 бар
Рабочая температура от -23 до 204 °С
до 68.9 бар
от -60 до 204 с
Игольчатые вентили тонкой регулировки серии MV3
Рабочее давление до 68,9 бар
Рабочая температура от -23 до 204 °С
до 344 бар
от -60 до 340 с
Игольчатые вентили тонкой регулировки серии MV4
Рабочее давление до 344 бар
Рабочая температура от -54 до 454 °С
Сортировать:
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Кран игольчатый от компании CIR-LOK
Игольчатый клапан представляет собой тип запорно-регулирующей арматуры, предназначенный для точного и контролируемого регулирования потока жидкости или газа. Вентиль игольчатый имеет в своей конструкции конусообразной запорной детали, обычно иглы или конуса, которая постепенно перекрывает или открывает проходное сечение. Такая конструкция обеспечивает более тонкую и точную регулировку, чем шаровые, дисковые или клиновые задвижки. Кран игольчатый и другие детали этой категории можно приобрести в интернет-магазине CIR-LOK.
Принцип работы вентиля запорного муфтового основан на изменении площади проходного сечения путем перемещения иглы вдоль осевого направления. В большинстве конструкций игла соединена с рукояткой через резьбовой шпиндель. Вращение рукоятки приводит к перемещению иглы вверх или вниз, изменяя просвет между иглой и седлом вентиля. Чем меньше просвет, тем меньше поток жидкости или газа.
Основные компоненты конструкции:
- Корпус. Обеспечивает основу для всех компонентов и создает герметичное пространство для прохождения среды эксплуатации. Обычно изготавливается из металла или пластика, в зависимости от особенностей эксплуатации и совместимости с рабочей средой.
- Игла. Запорная деталь, имеющая коническую или игольчатую форму. Производится из материалов, стойких к износу и коррозии. Точная геометрия иглы и седла критически важна для плавного и точного регулирования потока.
- Седло. Расположено в корпусе и образует уплотнение с иглой. Конструкция седла обеспечивает герметичность при закрытом положении вентиля.
- Шпиндель. Соединяет иглу с рукояткой и преобразует вращательное движение в линейное перемещение иглы. Обычно имеет резьбу для обеспечения точного и контролируемого перемещения иглы.
- Рукоятка. Применяется для ручного управления вентилем. Конструкция рукоятки обычно позволяет точно дозировать открытие или закрытие вентиля. Некоторые модификации оснащаются цифровыми индикаторами или приводами для использования в автоматизированных системах.
- Уплотнения. Обеспечивают герметичность между корпусом, шпинделем и другими компонентами вентиля. Материалы уплотнений выбираются в зависимости от рабочей среды и температуры.
- Соединения. Обеспечивают подключение вентиля к трубопроводу или оборудованию. Могут быть резьбовыми, фланцевыми или приварными.
Сферы применения запорных вентилей для промышленности
Благодаря своей высокой точности и надежности, вентиль запорный широко применятся в различных отраслях промышленности и научных исследованиях:
- Контрольно-измерительные приборы. Регулирование потока в манометрах, расходомерах, датчиках давления и других измерительных устройствах.
- Лабораторное оборудование. Точная дозировка реагентов, регулирование потока газов в хроматографах, спектрометрах и другом аналитическом оборудовании.
- Гидравлические системы. Регулирование потока масла в гидроцилиндрах, гидромоторах и других компонентах гидравлических систем. Особенно важны в системах точной регулировки скорости и усилия.
- Пневматические системы. Регулирование потока воздуха в пневмоцилиндрах, пневмоклапанах и других пневматических устройствах.
- Химическая промышленность. Точная дозировка химических реагентов, регулирование потока газов и жидкостей в реакторах и другом химическом оборудовании.
- Нефтегазовая промышленность. Корректирование потока нефти, газа и других жидкостей в трубопроводах, скважинах и другом оборудовании.
- Пищевая промышленность. Регулирование потока пищевых продуктов и напитков в технологических линиях. Требуется использование материалов, соответствующих санитарным нормам.
- Системы охлаждения и кондиционирования воздуха. Регулирование потока хладагента в системах охлаждения и кондиционирования.
- Системы водоподготовки. Корректирование потока воды в фильтрационных системах, обратного осмоса и других предметах водоподготовки.
Кран игольчатый с гарантией качества
Преимущества:
- Высокая точность регулирования потока. Они обеспечивают чрезвычайно точный контроль потока благодаря своей конструкции и возможности тонкой регулировки.
- Плавная регулировка. Конусообразная форма иглы позволяет постепенно открывать и закрывать проходное сечение, что обеспечивает плавную и стабильную регулировку потока.
- Компактный размер. Вентиль игольчатый, как правило, имеет компактную конструкцию, что делает его подходящими для использования в ограниченном пространстве.
- Широкий диапазон применений. Могут использоваться для различных рабочих сред, включая жидкости, газы и пар.
- Долговечность. При правильном выборе материалов и надлежащем обслуживании игольчатые вентили могут служить долго.
При выборе деталей учитываются следующие факторы:
- Рабочая среда. Нужно учитывать тип среды, ее химактивность, вязкость и температуру. Материалы вентиля должны быть совместимы с рабочей средой, чтобы избежать коррозии и разрушения.
- Диапазон температур. Температура рабочей среды и окружающей среды должна находиться в пределах допустимого диапазона для материалов вентиля.
- Рабочее давление. Вентиль должен быть рассчитан на максимальное рабочее давление в системе. Необходимо учитывать запас прочности.
- Пропускная способность. Вентиль должен обеспечивать необходимый расход рабочей среды. Необходимо выбирать деталь с соответствующим диаметром проходного сечения.
- Дополнительные функции. Некоторые модели вентилей могут иметь дополнительные функции, такие как цифровые индикаторы расхода, приводы для автоматического управления, фильтры для очистки среды эксплуатации.
Регулярное техническое обслуживание вентилей – важное условие для их надежной и бесперебойной работы. Рекомендуется проводить следующие мероприятия:
- Осмотр. Проверка на наличие утечек и других дефектов.
- Очистка. Регулярная очистка от загрязнений. При необходимости можно использовать специальные чистящие средства.
- Смазка. Смазка резьбовых соединений и других подвижных частей для обеспечения плавности хода и защиты от коррозии.
- Замена уплотнений. Регулярная замена уплотнений для обеспечения герметичности.
- Проверка на герметичность. Регулярная проверка на герметичность для предотвращения утечек.
- Использование фильтров. Обязательное использование фильтров для очистки рабочей среды от твердых частиц и других загрязнений.
- Правильная эксплуатация. Соблюдение правил эксплуатации, указанных в технической документации производителя.
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