PI17xx
Electronic pressure sensor
12
5 Installation Aseptoflex-Vario
Before installing and removing the unit: Make sure that no pressure is applied to the system and
there is no medium in the pipe or tank.
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Note dangers related to machine / medium temperatures.
Information about available adapters at:
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Observe the instructions of the adapter.
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Use a lubricating paste which is suitable and approved for the application.
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Insert the sensor with the process adapter into the process connection.
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Tighten it using a spanner: Tightening torque 35 Nm.
Further tightening may affect the sealing effect.
The process adapter can be adapted to different process connections.
Options are as follows:
1: Installation through process adapter with sealing ring (hygiene-compliant according to 3A
and EHEDG)
Order no. E332xx / E333xx.
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To meet the hygiene regulations use a process adapter with leakage port.
The adapters are supplied with EPDM O-ring (order no. E30054).
More sealing rings are available as accessories:
•
FKM O-ring (order no. E30123)
•
PEEK sealing ring (order no. E30124). The PEEK sealing ring is long-term stable and
maintenance-free.
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When you replace the PEEK sealing ring or change from a PEEK sealing ring to an O-ring, the
process adapter also needs to be replaced with a new equivalent adapter.
2: Installation through welding adapter with sealing ring (hygiene-compliant according to 3A
and EHEDG)
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To meet the hygiene regulations use a process adapter with leakage port.
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Make sure that the process adapter does not warp during welding. Use welding mandrel E30452.
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The sealing edge must not be damaged by subsequent surface treatment.
Ò
(Operating
instructions adapter).
The adapter is supplied with EPDM O-ring (order no. E30054).
Another sealing ring is available as accessory:
•
FKM O-ring (order no. E30123).
3: Installation using a process adapter with hygienic metal-to-metal seal
Order no. E337xx / E338xx
A long-term stable, maintenance-free fitting without bug traps in the metal-to-metal sealing is
only valid for once-only mounting.
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If the sealing has to be installed several times, use a new adapter.
4: Installation to G 1 flange / G 1 socket
The sensor is sealed with the sealing ring at the back of the process connection.