TW11
Protection tube for temperature sensors

Designed for use in the fine chemicals industry and generally for almost all industrial processes

This protection tube is an important component for temperature measurement points for almost all industrial processes, especially for fine chemicals industries. It is used to protect the measuring insert or sensor elements from aggressive process media, high pressures and flow rates from the temperature sensor itself and thereby enables the thermometer to be exchanged during operation.

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Process Connection
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Benefits
Tip of the thermowell with a reduced diameter or tapered for a faster response time
Customized immersion length
Surface finishing Ra < 0.8 μm
SS 316L/1.4404 and SS 316Ti/1.4571 for the "wetted" parts
The common threaded process connections are supplied as...

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Tip of the thermowell with a reduced diameter or tapered for a faster response time
Customized immersion length
Surface finishing Ra < 0.8 μm
SS 316L/1.4404 and SS 316Ti/1.4571 for the "wetted" parts
The common threaded process connections are supplied as standard; others are available on request
Material certification (3.1.B)
Test with penetrant liquids on welds

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Field of application

TW11 protection tubes are designed for the use in the fine chemicals industry but can also be used for generic applications.

Features and specifications

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Details

Measuring principle

Fabricated Thermowell
Characteristic / Application

metric style

DIN 43772 Form 2/3

threaded process connection

without neck
Head connection

external thread:

M24 x 1.5

1/2" NPT
Maximum standard immersion length

4.000 mm (157,48")
Max. immersion length on request

10.000 mm (393,7")
Process connection

thread:

G3/8"

G1/2"

G3/4"

1/2" NPT

3/4" NPT

R1/2"

R3/4"

R1"

M20 x 1.5
Thermowell root diameter

9 mm (0,35")

11 mm (0,43")

12 mm (0,47")

14 mm (0,55")

15 mm (0,59")
Medium contact material

1.4401 (316)

1.4404 (316L)

1.4571 (316Ti)
Wetted part finishing (Ra)

< 0.8 ìm (31.50 ìin)
Tip shape

straight

reduced

tapered
Temperature range

-200...700 °C (-328...1.292 °F)
Max. process pressure (static)

50 bar (725 psi)
Max. process pressure at 400 °C

depends on process connection

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Documents / Manuals / Software

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Technical Information
E+H
Qualified welding processes
for thermowells

Technical Information (TI)
TW11
Pipe thermowell without extension neck, threaded process connection

Technical Information (TI)
Thermowells
Operating instructions for thermowells for EAC approval

Operating Instruction (BA)
Mesure de température
Capteurs et transmetteurs pour les industries de process

Fields of Activities (FA)

12/19

fr
温度测量
过程工业用温度传感器和温度变送器

Fields of Activities (FA)

12/14

Chinese
Pomiar temperatury
Czujniki i przetworniki pomiarowe
do kontroli przemysłowych procesów technologicznych

Fields of Activities (FA)

10/14

Polish
Измерение температуры
Датчики температуры и преобразователи для любых
отраслей промышленности.

Fields of Activities (FA)

06/13

Russian
Misura della temperatura
Termometri e trasmettitori
per l'industria di processo

Fields of Activities (FA)

04/18

Italian
Catálogo medición temperatura
Termómetros y transmisores para la industria de proceso

Fields of Activities (FA)

04/18

Spanish
Sıcaklık Ölçümü
Proses endüstrisi için termometreler ve transmiterler

Fields of Activities (FA)

03/13

Turkish
Field of activities FA Temperature measurement
Thermometers and transmitters for the process industry

Fields of Activities (FA)

03/13

English
Temperature measurement
Thermometers and transmitters for the process industry

Fields of Activities (FA)

02/20

English
Temperaturmesstechnik
Thermometer und Transmitter für die Prozessindustrie

Fields of Activities (FA)

02/20

German
Измерение температуры
Ключевые особенности термометров Endress+Hauser для нефтегазовой отрасли

Competence Brochure (CP)

08/11

Russian
Инженерные решения по термометрии
Специальные решения по термометрии для химической и
нефтеперерабатывающей промышленности

Competence Brochure (CP)

04/10

Russian
ACCESSORIES: PIPE THERMOWELL
Product Code: TW11-
Declaration Number: HE_00516_01.17
Manufacturer Specification: RoHS

Manufacturer Declaration

English
ACCESSORIES: BAR STOCK THERMOWELL, ACCESSORIES: HOUSING, ACCESSORIES: PIPE THERMOWELL, ACCESSORIES: RTD INSERT, ACCESSORIES: TC INSERT, ACCESSORIES: THERMOWELLS, ACCESSORIES: T_INSERTS, Plugs TC direct contact, Terminal Head
Product Code: TT511-, TT411-, TS111-, TPR300-, TPR100-, TPC300-, TPC200-, TPC100-, TET90-, TET300-, TEC300-, TA576-, TA575-, TA572-, TA571-, TA570-, TA566-, TU111-, TU121-, TU211-, TU221-, TU51-, TU52-, TU53-, TU54-, TU67-, TW10-, TW11-, TW12-, TW13-, TW15-, TW251-, TWF11-, TWF16-, TA565-, GPTC-, MLTWS01-, OTA30A-, OTA30D-, OTA30H-, OTW92-, OTW93-, OTW94-, OTW95-, OTW96-, TA20A-, TA20B-, TA20D-, TA20J-, TA20R-, TA20W-, TA21E-, TA562-, TA560-, TA557-, TA556-, TA555-, TA550-, TA541-, TA540-, TA535-, TA414-, TA30S-, TA30R-, TA30P-, TA30H-, TA30D-, TA30A-, TA21H-
Declaration Number: EC_00544_01.17

EU Declaration

German , English , fr
ACCESSORIES: BAR STOCK THERMOWELL, ACCESSORIES: PIPE THERMOWELL, ACCESSORIES: THERMOWELLS
Product Code: TWF16-, TWF11-, TW47-, TW45-, TW251-, TW15-, TW13-, TW12-, TW11-, TW10-, TT511-, TT411-, TA576-, TA575-, TA572-, TA571-, TA570-, TA566-, TA565-, TA562-, TA560-, TA557-, TA556-, TA555-, TA550-, TA541-, TA540-, TA535-, TA414-, MLTWS01-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: TC RU C-IT.AZ01.B.02466

Miscellaneous

Russian
ACCESSORIES: BAR STOCK THERMOWELL, ACCESSORIES: PIPE THERMOWELL, ACCESSORIES: THERMOWELLS
Product Code: TWF16-, TWF11-, TW47-, TW251-, TW15-, TW13-, TW12-, TW11-, TW10-, TT511-, TT411-, TA576-, TA575-, TA572-, TA571-, TA570-, TA566-, TA565-, TA562-, TA560-, TA557-, TA556-, TA555-, TA550-, TA541-, TA540-, TA535-, TA414-, MLTWS01-
Region/Country: Russia (TR CU)
Approval Agency: EAC
Approval Number: TC RU D-IT.MU62.B.03144

Miscellaneous

Russian

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Predecessor
- TA11

Successor
- Thermowell TT131
  
  Thermowell for RTD and TC assemblies specially designed for use in industrial applications, in particular in the chemical, oil & gas and power industries
  More information

Success stories

Optimized logistics concept for tank systems

We implemented a highly effective logistics concept at chemicals distributors Brenntag Schweizerhall AG's Basel site.
Read the full story

News
Protection of pumps... and people

Adding a few sensors to a pump system can help make pumps run more efficiently and help discover problems before they get too serious – and, they may also save a life
Read the full story

TW11Protection tube for temperature sensors

Designed for use in the fine chemicals industry and generally for almost all industrial processes

Quick selection

Individual configuration

Benefits

Field of application

Features and specifications

Details

Measuring principle

Characteristic / Application

Head connection

Maximum standard immersion length

Max. immersion length on request

Process connection

Thermowell root diameter

Medium contact material

Wetted part finishing (Ra)

Tip shape

Temperature range

Max. process pressure (static)

Max. process pressure at 400 °C

Documents / Manuals / Software

Accessories / Spare parts

Predecessor

Successor

Thermowell TT131

Success stories

Optimized logistics concept for tank systems

Protection of pumps... and people

TW11
Protection tube for temperature sensors