3.8 Mounting Promag F sensor
The sensor is mounted between the flanges of the piping (Fig. 15). Since the lining of
the measuring tube also covers the sensor flange, it also acts as a seal.
Caution!
The Teflon (PTFE) lined Promag F is fitted with protective disks to guard the lining
which is turned over the flanges. These disks are to be removed just before mounting
the sensor. Ensure that the lining on the flange is not damaged or removed.
These disks must remain in position during storage.
Seals
• If the measuring tube liner is made of soft rubber or Teflon (PTFE), a flange seal
is not required.
• With soft rubber lining the mating flange should have a thin film of non-conductive
sealing grease applied.
• Use a seal according to DIN 2690.
• Mounted seals must not protrude into the piping section.
Caution!
Danger of short-circuit! Do not use sealing materials that are electrically conductive,
e.g. graphite. This could result in an electrically conductive layer forming on the inside
of the measuring tube and therefore short-circuiting the measuring signal.
Screw tightening torques → see following page
Length, Dimensions → see pages 104, 105
Caution!
Caution!
ba009y20
Fig. 15
Mounting Promag 33 F
Promag 33 3 Mounting and Installation
Endress+Hauser 17
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