Endress+Hauser Easytemp TMR31 Instructions D'opération page 26

Installation
3.2.3 Installation in hygienic processes
1
Sensor with
milk pipe
connection
Groove
slip-on nut
Companion
connection
Centering ring
R0.4
Fig. 2: Mounting instructions for installation in various hygienic processes
1 Milk pipe connection as per DIN 11851 only in linkage EHEDG certified and self centering ring
2 Varivent ® - process connection
3 Clamp as per ISO 2852
4 Liquiphant-M G1" process connection, horizontal installation
Maximum torque = 10 Nm (7.38 lb ft) for process connection
conical metal-metal.
The matches for the process connections as well as the gaskets are not included in the scope of
delivery of this assembly. Welding adapter for process connections with associated O-ring sets
are available as accessories, → ä 29.
Procedure in case of seal failure indicated by leak detection port:
1. Disassembling of the thermometer, validated cleaning procedure of thread and and sealing
ring groove
2. Replacement of the seal or sealing ring
3. CIP after re-assembly
Care should be taken by the user in the execution of the welding on the process side:
• Suitable weld material.
• Flush welding or with welding radius > 3.2 mm.
• Absence of pits, folds, crevices.
• Ground and polished surface (R
As a general rule, the thermometers should be installed in such a way that does not adversely
affect their cleanability (3-A requirements must be adhered to). The required flush-mounting
can be achieved by the connection Varivent
26
Sensor with Varivent
connection
Companion
O-ring
connection
Sealing
R0.4
≤ 0.76 μm).
a
2
Shaped
gasket
Companion
connection
®
, Liquiphant (+ weld-in adapter).
3 4
Welding boss
Leak detection hole
TMR31, TMR35
Vessel wall
Gasket
(O-ring)
A0011758-EN
Endress+Hauser