12
3
Installation using a process adapter with metal-to-metal seal
Order no� E337xx / E338xx
A long-term stable and maintenance-free fitting without bug traps in
the metal-to-metal seal is only valid for once-only mounting�
►
If the sealing has to be installed several times, use a new adapter�
4
Installation to G 1 flange / G 1 bush
The sensor is sealed with the sealing ring at the back of the process
connection�
►
The sealing area at the flange / bush must be flush with the tapped hole
and have a surface characteristic of min� Rz = 6�3�
5.2 Use in hygienic areas to 3-A
The following applies to units with 3-A
certification:
►
Only use adapters with 3-A
certification for the process
connection�
►
Do not install the unit at the lowest
point of the pipe or tank (→ position
5) in order that the medium can
run off the area of the measuring
element�
