Siemens SITRANS LR500 Series - Thread Sealing Procedures

Nozzle diameter "A" Nozzle height "B"
100 mm 4" ≤ 400 mm ≤ 15.8"
150 mm 6" ≤ 600 mm ≤ 23.6"
LR530 󹪞ang
ed encapsulated PTFE antenna
Nozzle diameter "A" Nozzle height "B"
50 mm 2" ≤ 200 mm ≤ 7.9"
80 mm 3" ≤ 400 mm ≤ 15.8"
100 mm 4" ≤ 500 mm ≤ 19.7"
150 mm 6" ≤ 800 mm ≤ 31.5"
LR550 polymeric horn antenna
Nozzle diameter "A" Nozzle height "B"
80 mm 3" ≤400 mm ≤15.8"
100 mm 4" ≤500 mm ≤19.7"
150 mm 6" ≤800 mm ≤31.5"
LR580 lens antenna, aimer 󹪞ang
e
Nozzle diameter "A" Nozzle height "B"
80 mm 3" ≤400 mm ≤15.8"
100 mm 4" ≤500 mm ≤ 19.7"
150 mm 6" ≤800 mm ≤ 31.5"
5.4.2 Thread sealing
WARNING
Thread sealing
It ma
y 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 t
hread types
G thread types are supplied with a Klingersil 󹪞at seal.
Installing/mounting
5.4Nozzle mounting
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA 43