7
UK
4.3.2 Installation using a welding adapter with sealing ring (hygiene-
compliant)
►
To meet the hygiene regulations use a process adapter with leakage port�
►
Make sure that the process adapter does not warp during welding�
The adapter is supplied with EPDM O-ring (order no� E30054�
Another sealing ring is available as accessory:
• FKM O-ring (order no� E30123)�
4.3.3 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�
4.3.4 Installation to G 1 flange
The process is sealed with the sealing ring at the back of the sensor�
The sealing area at the flange must be flush with the tapped hole and have a
surface characteristic of min� Rz = 6�3�
