# צינור הגנה — TW81

> גרסה לפי DIN 43734 (EN 50446)

- קוד קטלוגי: tw81
- דגם: TW81
- קטגוריה: מדידת טמפרטורה › Thermowells / protection tubes
- עמוד המוצר: https://avigan.com.ua/wika/he/products/tw81
- מחיר: לפי בקשה
- ספק: AVIGAN (TOV VIKA Prylad), שותף רשמי של WIKA באוקראינה

## תיאור

כל צינור הגנה או בית תרמומטר (thermowell) הוא רכיב חשוב בכל נקודת מדידת טמפרטורה. הוא משמש להפריד בין התהליך לבין הסביבה שמסביב ...

## יישומים

- Blast furnaces, air heaters
- Heat threatment furnaces
- Waste incineration plants
- Major heating plants, heat generation

## תכונות מיוחדות

- Variable length and dimensions
- Large selection of materials
- Different process connections

## מפרט טכני

| פרמטר | ערך |
|---|---|
| model | TW81 |
| product family | TW |
| short description | Protection tube per EN 50446 for use in blast furnaces, heat treatment furnaces, waste incineration, and major heating plants with variable length, multiple materials, and process connections. |
| subcategory | Thermowell |
| ip rating | IP65 |
| languages in datasheet | en |
| temperature ranges | 0 … 550 °C; 0 … 700 °C; 0 … 1150 °C; 0 … 1200 °C |
| probe material | 1.0305; 1.0305 (enamelled); 1.4571; 1.4841; 1.4762 |
| has thermowell | true |
| thermowell material | 1.0305; 1.4571; 1.4841; 1.4762; 1.0305 (enamelled); 1.0305 enamelled |
| thermowell form | Form 2F |
| process connections | 1 ½ inch, 150 lbs, RF; 1 ½ inch, 300 lbs, RF; 2 inch, 150 lbs, RF; 2 inch, 300 lbs, RF; 3 inch, 150 lbs, RF; 3 inch, 300 lbs, RF; 4 inch, 150 lbs, RF; 4 inch, 300 lbs, RF; G1; G 1; G 1½; G ½; G ¾; G1½; G½; G¾; Stop flange; Threaded bushing; Stop flange/mating flange; Flange connection (welded) |
| process temp | 0 … 1200 °C |

## טבלאות מגיליון הנתונים

### Protection tube per EN 50446, modelTW81

| Standard nominal lengths A | ■ 500 mm[19.685 in] ■ 710 mm[27.952 in] ■ 1,000 mm[39.370 in] ■ 1,400 mm[55.118 in] ■ 2,000 mm[78.740 in] Others on request |
|---|---|
| Materials | ■ Carbon steel 1.0305 up to 550 °C [1,022 °F] (air), low corrosion resistance to sulphurous gases, medium corrosion resistance to nitrogenous gases ■ Carbon steel 1.0305, enamelled up to 550 °C [1,022 °F], resistance to a max. applied pressure of 1 bar [14.504 psi], for the low pressure range in furnaces and flue gas ducts ■ Stainless steel 1.4571 up to 700 °C [1,292 °F] (air), good corrosion resistance to aggressive media ■ Stainless steel 1.4841 up to 1,150 °C [2,102 °F] (air), low corrosion resistance to sulphurous gases; high corrosion resistance to nitrogenous gases and gases with low oxygen content; high long-time rupture strength ■ Stainless steel 1.4762 up to 1,200 °C [2,192 °F] (air), high corrosion resistance to sulphurous gases; low corrosion resistance to nitrogenous gases Other materials on request |

### Metal protection tube

| Outer diameter in mm[in] | Tube thickness in mm[in] |
|---|---|
| Ø F | s |
| 22 [0.866 in] | 2 [0.079 in] |
| 15 [0.591 in] | 2 [0.079 in] |

| 1 | 2 | 3 | 4 |
|---|---|---|---|
| Protection tube outer diameter in mm[in] | Dimensions in mm[in] | Process connection |  |
|  | Ø f / Ø f 4 | i min. | E |
| 22 [0.866 in] | 22.5 [0.886 in] | 20 [0.787 in ] | ■ G1 ■ G1½ |
| 15 [0.591 in] | 15.5 [0.610 in] | 20 [0.787 in ] | ■ G½ ■ G¾ ■ G1 |

| 1 | 2 | 3 |
|---|---|---|
| Protection tube outer diameter in mm[in] | Dimensions inmm [in] |  |
|  | Ø f / Ø f 4 | C (hole spacing) |
| 22 [0.866 in] | 22.5 [0.886 in] | 70 [2.756 in] |
| 15 [0.591 in] | 15.5 [0.610 in] | 55 [2.165 in] |

| Flange Ø | Material |
|---|---|
| 1 ½inch, 150 lbs, RF | Stainless steel 316 |
| 1 ½inch, 300 lbs, RF | Stainless steel 316 |
| 2 inch, 150 lbs, RF | Stainless steel 316 |
| 2 inch, 300 lbs, RF | Stainless steel 316 |
| 3 inch, 150 lbs, RF | Stainless steel 316 |
| 3 inch, 300 lbs, RF | Stainless steel 316 |
| 4 inch, 150 lbs, RF | Stainless steel 316 |
| 4 inch, 300 lbs, RF | Stainless steel 316 |

## מסמכים

- [ds_tw9581_en_co_c66f17](https://avigan.com.ua/wika/docs/wika/ds_tw9581_en_co.pdf) — PDF, 298 KB, en