Endress+Hauser OTR31 Operating Instructions Manual page 11

Temperature switch OTR31, OTR35
Ambient temperature range
T
a
4.2.2 Installation instructions when installing in hygienic processes
1.1
1.2
1.3
1.4
R0.4
 3 Detailed installation instructions for hygiene-compliant installation
1 Milk pipe connection according to DIN 11851 (PL, PG, PH connection), only in conjunction with
EHEDG-certified and self-centering sealing ring
1.1 Sensor with milk pipe connection
1.2 Groove slip-on nut
1.3 Counterpart connection
1.4 Centering ring
1.5 Sealing ring
2 Varivent® and APV-Inline (LB, LL, HL connection)
2.1 Sensor with Varivent® connection
2.2 Counterpart connection
2.3 O-ring
3 Clamp according to ISO 2852 (DB, DL connection), EHEDG certified only in conjunction with seal
according to EHEDG position paper
3.1 Molded seal
3.2 Counterpart connection
The requirements of the EHEDG and the 3-A Sanitary Standard must be adhered to.
Installation instruction EHEDG/cleanability: Lt ≤ (Dt-dt)
Installation instruction 3-A/cleanability: Lt ≤ 2(Dt-dt)
–40 to +85 °C (–40 to +185 °F)
1
1.5
R0.4
2
2.1
2.2
2.3
Mounting
3
3.1
3.2
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