Thread Sealing - Siemens SITRANS LR500 Series Operating Instructions Manual

Nozzle diameter "A"
100 mm
150 mm
LR530 flanged encapsulated PTFE antenna
Nozzle diameter "A"
50 mm
80 mm
100 mm
150 mm
LR550 polymeric horn antenna
Nozzle diameter "A"
80 mm
100 mm
150 mm
LR580 lens antenna, aimer flange
Nozzle diameter "A"
80 mm
100 mm
150 mm
5.4.2

Thread sealing

Thread sealing
It may be necessary to use PTFE tape or other appropriate thread sealing compound, and to
tighten the process connection beyond hand-tight. (The maximum recommended torque for
Threaded versions is 40 N-m (30 ft.lbs.)
Note
G thread types
G thread types are supplied with a Klingersil flat seal.
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA
4"
6"
2"
3"
4"
6"
3"
4"
6"
3"
4"
6"
WARNING
Nozzle height "B"
≤ 400 mm
≤ 600 mm
Nozzle height "B"
≤ 200 mm
≤ 400 mm
≤ 500 mm
≤ 800 mm
Nozzle height "B"
≤ 400 mm
≤ 500 mm
≤ 800 mm
Nozzle height "B"
≤ 400 mm
≤ 500 mm
≤ 800 mm
Installing/mounting
5.4 Nozzle mounting
≤ 15.8"
≤ 23.6"
≤ 7.9"
≤ 15.8"
≤ 19.7"
≤ 31.5"
≤15.8"
≤19.7"
≤31.5"
≤15.8"
≤ 19.7"
≤ 31.5"
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