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Защитная гильза Wika TW55

Защитная гильза Wika TW55

Снят с производства

Защитная гильза (цельная) вварная или с фланцем (составная) по стандарту DIN 43772 форма 4, 4F


  • Petrochemical, plant engineering
  • For high process loads

Special Features

Design acc. to DIN 43772:

  • TW50-6: Form 4 (welding connection)
  • TW50-7: Form 4F (flange connection)


Thermowell material:

Stainless steel 1.4571, 316/316L, steel 1.5415, 1.7335, 1.7380, exotic materials

Process connection:

Blindflange per EN 1092-1 / DIN 2527 / ASME B16.5
Thermowell outer diameter 18 mm, 24 mm, 26 mm, 32 mm

Instrument connection:

M14x1.5 mm, M18x1.5 mm, G ½ female, G3/4 female

Bore size:

Ø 7 mm, Ø 9 mm, Ø 11 mm

Insertion length U1:

To DIN 43772 or customer spezification

Tapering length U:

To DIN 43772 or customer spezification

Total length L:

To DIN 43772 or customer spezification (max. 1800 mm for stainless steel)


Other flanges, dimensions, bore sizes and materials
Quality certificates
Wake frequency calculation per Dittrich/Klotter or ASME PTC 19.3 are recommended in critical applications. WIKA offers this as an engineering service.

This thermowell replaces the old models:

  • SD400S
  • SD400F
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