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Wika brand
Model TW45-F Threaded protection tube
Applications
Chemical industry, process technology, equipment manufacturing
For low and medium process loads
Special features
Designs per DIN 43772
Form 5
Specifications
Protection tube form
Design TW45-F Form 5
Material (wetted) ■ Stainless steel 1.4571
Type of process connection ■ G ½ B male thread
■ G ¾ B male thread
Connection to thermometer
Design TW45-F ■ G ½ female thread
■ G ¾ female thread
Bore size
Designs per DIN 43772 ■ Ø 7 mm [0.28 in]
■ Ø 9 mm [0.35 in]
■ Ø 11 mm [0.43 in]
Insertion length U
Design TW45-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]
Overall length L Insertion length U1 + 28 mm [1.1 in]
Suitable stem length l1 (dial thermometer)
Connection design S 1) ,4 or 5
l 1 L - 10 mm [0.4 in] or l 1 U 1 + 18 mm [0.7 in]
Connection design 2
I 1 L - 30 mm [1.2 in] or l 1 U 1 - 2 mm [0.1 in]
Connection design 3
Connection design 3
l1 L - 12 mm [0.5 in] or l 1 U 1 + 16 mm [0.6 in]
Suitable insertion length l1 (machine glass thermometer)
Design TW45-F Connection design E l1 L - 10 mm [0.4 in] or l 1 U 1 + 18 mm [0.7 in]
(thermometer): G ½
l 1 L - 12 mm [0.5 in] or l 1 U 1 + 16 mm [0.6 in]
(thermometer): G ¾
l 1 L - 8 mm [0.3 in] or l 1 U 1 + 20 mm [0.8 in]
Suitable insertion length l1 (machine glass thermometer)
Design TW45-F Connection design E l1 L - 10 mm [0.4 in] or l 1 U 1 + 18 mm [0.7 in]
(thermometer): G ½
l 1 L - 12 mm [0.5 in] or l 1 U 1 + 16 mm [0.6 in]
(thermometer): G ¾
l 1 L - 8 mm [0.3 in] or l 1 U 1 + 20 mm [0.8 in]