Резьбовая защитная трубка
Описание
Каждая термогильза/защитная трубка является важным компонентом любого пункта измерения температуры. Она используется для разделения технологического процесса и окружающей среды, тем самым защищая окружающую среду и обслуживающий персонал, а также предотвращая воздействие агрессивных сред, высоких давлений и расхода непосредственно на температурный зонд; это, в свою очередь, позволяет выполнять замену термометра в процессе эксплуатации.
Благодаря практически неограниченным возможностям применения существует большое количество вариантов, например конструкций термогильз или материалов. Тип технологического присоединения и базовый способ изготовления являются важными критериями конструктивного различия. В качестве основного различия можно выделить термогильзы/защитные трубки с резьбовым присоединением и под приварку, а также исполнения с фланцевыми присоединениями.
Особенности
- Исполнения по DIN 43772
- Исполнение TW45-F: Форма 5 Исполнение TW45-G: Форма 8
Вопросы и ответы
Какой стандарт определяет конструкцию защитной трубки TW45?
Конструкция выполнена по DIN 43772: исполнение TW45-F соответствует форме 5, исполнение TW45-G — форме 8.
Какие варианты резьбового присоединения доступны?
Наружная резьба G ½ B и наружная резьба G ¾ B.
Из каких материалов изготавливается термогильза?
Из нержавеющей стали 1.4571 или медного сплава.
Для каких нагрузок на процесс рассчитана TW45?
Для низких и средних нагрузок на технологический процесс.
С какими приборами можно использовать эту защитную трубку?
С многочисленными электрическими и механическими термометрами WIKA.
Какая документация о качестве предоставляется?
Отчёт об испытаниях по 2.2 и сертификат контроля по 3.1.
Чем TW45 отличается от других серий защитных трубок WIKA?
TW45 — это резьбовая (вворачиваемая) защитная трубка для низких и средних нагрузок; в ассортименте также имеются исполнения под приварку и с фланцевыми присоединениями для иных условий применения.
Соберите TW45 под свою задачу
Артикул собирается автоматически. Если сомневаетесь — напишите инженеру; подскажем по параметрам линии.
- Исполнение защитной гильзыформа 5
- МатериалНерж. сталь 1.4571
- Резьба присоединения к процессу [P или E]G 1/2 B
- Присоединение к термометру [N]—
- Глубина погружения [U1]—
- Размер трубки—
- СертификатыБез
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| Модель | TW45 |
| Серия | TW |
| Подтип | Protection tube |
| Технологическое присоединение | G ½ B male threadG ¾ B male thread |
| Материал защитной гильзы | Stainless steel 1.4571, Copper alloy |
| Вес | 0.11 kg |
| Сертификаты | 2.2 test report3.1 inspection certificate |
| Защитная гильза | Да |
| Форма защитной гильзы | Form 5, Form 8 |
| Языки datasheet | EN |
| Protection tube form | |
|---|---|
| DesignTW45-F | Form 5 |
| DesignTW45-G | Form 8 |
| Version | ■ Version per DIN 43772 ■ Design similar to DIN 43772 (fast response) |
| Material (wetted) | ■ Stainless steel 1.4571 |
| Process connection | |||
|---|---|---|---|
| Type of process connection | ■ G½Bmale thread ■ G¾Bmalethread | ||
| Connection to thermometer | |||
| DesignTW45-F | ■ G½female thread ■ G¾female thread | ||
| DesignTW45-G | ■ G½Bmale thread ■ G¾Bmalethread | ||
| Bore size | |||
| Designs per DIN 43772 | ■ Ø7mm[0.28 in] ■ Ø9mm[0.35 in] ■ Ø11 mm[0.43 in] | ||
| Designs similar to DIN 43772, fast response | ■ Ø6.2 mm[0.24 in] ■ Ø8.2 mm[0.32 in] ■ Ø8.5 mm[0.34 in] ■ Ø10.2 mm[0.4 in] | ||
| Insertion length U | |||
| DesignTW45-F | ■ 82 mm[3.23 in] ■ 142 mm[5.59 in] ■ 182 mm[7.17 in] ■ 232 mm[9.13 in] ■ 382 mm[15.04 in] | ||
| DesignTW45-G | ■ 73 mm[2.87 in] ■ 110 mm[4.33 in] ■ 170 mm[6.69 in] ■ 260 mm[10.24 in] ■ 410 mm[16.14 in] | ||
| Overall length L | Insertion length U 1 + 28 mm[1.1 in] | ||
| Suitable stem length l 1 (dial thermometer) | |||
| DesignTW45-F | Connection design S 1) , 4 or 5 | l 1 = L - 10 mm[0.4 in] or l 1 = U1 + 18 mm[0.7 in] | |
| Connection design 2 | l 1 = L - 30 mm[1.2 in] or l 1 = U1 - 2 mm[0.1 in] | ||
| DesignTW45-G | Connection design 3 | l 1 = L - 12 mm[0.5 in] or l 1 = U1 + 16 mm[0.6 in] | |
| Suitable insertion length l 1 (machine glass thermometer) | |||
| DesignTW45-F | Connection design E | l 1 = L - 10 mm[0.4 in] or l 1 = U 1 + 18 mm[0.7 in] | |
| DesignTW45-G | Connection design 3 | Process connection (thermometer):G½ | l 1 = L - 12 mm[0.5 in] or l 1 = U1 + 16 mm[0.6 in] |
| Process connection (thermometer):G¾ | l 1 = L - 8 mm[0.3 in] or l 1 = U1 + 20 mm[0.8 in] |
| Max. process temperature, process pressure | Depending on: ■ Load diagram DIN 43772 ■ Protection tube design - Dimensions - Material ■ Process conditions - Flow rate - Medium density |
|---|---|
| Wake frequency calculation (option) | The calculation in accordance with Dittrich/Klotter of individual thermowells minimises the risk of dynamic damage that can be caused by the vortex shedding of a Kármán vortex street (Vortex Induced Vibration; VIV). In addition, the static loads due to lateral flow and the process pressure are calculated depending on the temperature.The calculation will be carried out as aWIKA engineered service (subject to charges). → For further information, seeTechnical information IN 00.15'Wake frequency calculation'. |
| Certificates | ■ 2.2 test report ■ 3.1 inspection certificate |
|---|
Смотреть все (7)
| Dimensions in mm[in] | Weight in kg [lbs] | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E | N | Ø d 1 | Ø D 1 | Ø F 1 | H1 | H 2 | K1 | S | S 1 | SW | U 1 = 82mm [3.22 in] | U 1 = 382mm [15.04 in] | |
| Stainless steel 1.4571 | G½B | G½ | 7 [0.28] | 26 [1.02] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 2.5 [0.1] | 3.5 [0.15] | 27 [1.06] | 0.15 [0.33] | 0.33 [0.73] |
| G½B | G½ | 9 [0.35] | 26 [1.02] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 2.5 [0.1] | 3.5 [0.14] | 27 [1.06] | 0.15 [0.33] | 0.36 [0.79] | |
| G½B | G½ | 11 [0.43] | 26 [1.02] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 1.5 [0.06] | 2.5 [0.1] | 27 [1.06] | 0.12 [0.26] | 0.28 [0.62] | |
| G½B | G½ | 6.2 [0.24] | 26 [1.02] | 8 [0.32] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.12 [0.26] | 0.18 [0.4] | |
| G½B | G½ | 8.2 [0.32] | 26 [1.02] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.12 [0.26] | 0.18 [0.4] | |
| G½B | G½ | 10.2 [0.40] | 26 [1.02] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.12 [0.26] | 0.19 [0.42] | |
| G¾B | G½ | 7 [0.28] | 32 [1.26] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.24 [0.53] | 0.42 [0.93] | |
| G¾B | G½ | 9 [0.35] | 32 [1.26] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.24 [0.53] | 0.45 [0.99] | |
| G¾B | G½ | 11 [0.43] | 32 [1.26] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 1.5 [0.06] | 2.5 [0.1] | 32 [1.26] | 0.22 [0.49] | 0.37 [0.82] | |
| G¾B | G½ | 6.2 [0.24] | 32 [1.26] | 8 [0.32] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.21 [0.46] | 0.27 [0.6] | |
| G¾B | G½ | 8.2 [0.32] | 32 [1.26] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.21 [0.46] | 0.27 [0.6] | |
| G¾B | G½ | 10.2 [0.40] | 32 [1.26] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.21 [0.46] | 0.28 [0.62] | |
| G¾B | G¾ | 7 [0.28] | 32 [1.26] | 12 [0.47] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.20 [0.44] | 0.38 [0.84] | |
| G¾B | G¾ | 9 [0.35] | 32 [1.26] | 14 [0.55] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.20 [0.44] | 0.41 [0.9] |
| Material | Dimensions in mm[in] | Weight in kg [lbs] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E | N | Ø d 1 | Ø D 1 | Ø F 1 | H1 | H 2 | K1 | S | S 1 | SW | U 1 = 82mm [3.22 in] | U 1 = 382mm [15.04 in] | |
| Stainless steel 1.4571 | G¾B | G¾ | 11 [0.43] | 32 [1.26] | 14 [0.55] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 1.5 [0.06] | 2.5 [0.1] | 32 [1.26] | 0.18 [0.4] | 0.33 [0.73] |
| G¾B | G¾ | 6.2 [0.24] | 32 [1.26] | 8 [0.32] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 0.9 [0.035] | 1 [0.04] | 32 [1.26] | 0.17 [0.37] | 0.23 [0.51] | |
| G¾B | G¾ | 8.2 [0.32] | 32 [1.26] | 10 [0.39] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.17 [0.37] | 0.23 [0.51] | |
| G¾B | G¾ | 10.2 [0.40] | 32 [1.26] | 12 [0.47] | 22 [0.87] | 17 [0.67] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.17 [0.37] | 0.24 [0.53] | |
| Copper alloy | G½B | G½ | 8.5 [0.34] | 26 [1.02] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.75 [0.03] | 0.75 [0.03] | 27 [1.06] | 0.11 [0.24] | 0.18 [0.4] |
| G¾B | G½ | 8.5 [0.34] | 32 [1.26] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.75 [0.03] | 0.75 [0.03] | 32 [1.26] | 0.23 [0.51] | 0.29 [0.64] |
| Material | Dimensions in mm[in] | Weight in kg [lbs] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E | N | Ø d 1 | Ø D 1 | Ø F 1 | H 1 | H 2 | K 1 | S | S 1 | SW | U 1 = 73mm [2.87 in] | U 1 = 410mm [16.14 in] | |
| Stainless steel 1.4571 | G½B | G½ | 7 [0.28] | 26 [1.02] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 2.5 [0.1] | 3.5 [0.15] | 27 [1.06] | 0.14 [0.31] | 0.34 [0.75] |
| G½B | G½ | 9 [0.35] | 26 [1.02] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 2.5 [0.1] | 3.5 [0.14] | 27 [1.06] | 0.14 [0.31] | 0.37 [0.82] | |
| G½B | G½ | 11 [0.43] | 26 [1.02] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 1.5 [0.06] | 2.5 [0.1] | 27 [1.06] | 0.12 [0.26] | 0.30 [0.66] | |
| G½B | G½ | 6.2 [0.24] | 26 [1.02] | 8 [0.32] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.13 [0.27] | 0.20 [0.44] | |
| G½B | G½ | 8.2 [0.32] | 26 [1.02] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.13 [0.27] | 0.20 [0.44] | |
| G½B | G½ | 10.2 [0.40] | 26 [1.02] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 14 [0.55] | 0.9 [0.04] | 1 [0.04] | 27 [1.06] | 0.11 [0.24] | 0.18 [0.4] | |
| G¾B | G½ | 7 [0.28] | 32 [1.26] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.22 [0.49] | 0.43 [0.95] | |
| G¾B | G½ | 9 [0.35] | 32 [1.26] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 2.5 [0.1] | 3.5 [0.14] | 32 [1.26] | 0.22 [0.49] | 0.46 [1.01] | |
| G¾B | G½ | 11 [0.43] | 32 [1.26] | 14 [0.55] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 1.5 [0.06] | 2.5 [0.1] | 32 [1.26] | 0.20 [0.44] | 0.39 [0.86] | |
| G¾B | G½ | 6.2 [0.24] | 32 [1.26] | 8 [0.32] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.21 [0.46] | 0.28 [0.62] | |
| G¾B | G½ | 8.2 [0.32] | 32 [1.26] | 10 [0.39] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.21 [0.46] | 0.28 [0.62] | |
| G¾B | G½ | 10.2 [0.40] | 32 [1.26] | 12 [0.47] | 19 [0.75] | 15 [0.59] | 16 [0.63] | 0.9 [0.04] | 1 [0.04] | 32 [1.26] | 0.20 [0.44] | 0.27 [0.6] |
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