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SWT52G 1
SWT52G
In stock at WIKA
WIKA · Temperature measurement · Family SWT52

Threaded or weld-in protection tube

Threaded or weld-in protection tube for use with model 52 mechanical thermometer, available in copper alloy, St35, or stainless steel with G ½ B thread or welding stud connection.
Range
-200…500 °C
Price
From €32
Confirm at order time
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Description

Each thermowell/protection tube is an important component of any temperature measurement point. It is used to separate the process from the surrounding area, thus protecting the environment and operating personnel and keeps aggressive media, high pressures and flow rates from the temperature sensor itself and thereby enables the thermometer to be exchanged during operation.

Based on the almost limitless application possibilities, there are a large number of variants, such as designs or materials of the thermowell/protection tube. The type of process connection and the basic method of manufacture are important design differentiation criteria. A basic differentiation can be made between threaded and weld-in thermowells/ protection tube, and those with flange connections.

Special features

  • Cost-effective design
  • Quick adjustability and replaceability of thermometers
Identification
ModelSWT52G
Product familySWT52
SubcategoryProtection tube
Measuring range
Temperature ranges−200…+160 °C · −200…+500 °C
Process conditions
Process connection
G ½ B threadWelding stud
Process temperature≤ +500 °C
Materials
Thermowell materialSt35, Copper alloy, Stainless steel
Additional details
Probe diameter8 mm
ThermowellYes
Thermowell formfabricated
Datasheet languagesEN
Tables from datasheet
Threaded or weld-in protection tube, model SWT52x
Versions■ Model SWT52G:Protection tube with thread ■ Model SWT52S:Protection tube with welding stud
Protection tube material■ Copper alloy ■ St35 1) ■ Stainless steel
Process connection
Model SWT52GG½Bthread
Model SWT52SWelding stud
Connection to thermometerSuitable for thermometers with smooth connection (without threads) Collar Ø18 mm[0.70 in] Fixing via M4 retaining screw
Bore sizeØ8mm[0.31 in], for thermometer model 52
Insertion length USuitable for the various standard insertion lengths, l 1 , of thermometer model 52
Max. process temperature, process pressureDepending on: ■ Thermowell design - Dimensions - Material ■ Process conditions - Flow rate - Density of medium
Copper alloy (6 bar stat.)160 °C
St35 or stainless steel (25 bar stat.)500 °C
Dimensions in mm[in]
l 1ESWØ F 1Ø D 1
45 [1.77]G½B27 [1.125 in]10 [0.39]26 [1.02]
63 [2.48]G½B27 [1.125 in]10 [0.39]26 [1.02]
100 [3.93]G½B27 [1.125 in]10 [0.39]26 [1.02]
160 [6.29]G½B27 [1.125 in]10 [0.39]26 [1.02]
200 [7.87]G½B27 [1.125 in]10 [0.39]26 [1.02]
Dimensions in mm[in]
l 2Ø d 5Ø F 1
43 [1.69]24 [0.94]10 [0.39]
80 [3.14] [0.51]24 [0.94]10 [0.39]
140 [5.51]24 [0.94]10 [0.39] [1.29]
180 [7.08]24 [0.94]10 [0.39]
Process connectionInsertion length, l 1 , of the thermometer
Threadl 1 = insertion length, l 1 , of the thermowell
Welding studl 1 = insertion length, l 2 , of the thermowell + 20 mm[0.8 in]