Kobold DON -2/4, Operating Instructions Manual

Page: 39 / 65

DON
DON K36/1222 page 39
b) If the instructions given here are not followed or if the product is handled
improperly, our liability is void. In addition, the warranty on products and
spare parts does not apply.
c) The products are not safety elements in the sense of their intended use.
d) Only original parts from the manufacturer may be used.
e) Flammable media within the flow meter must not be heated in Zone 1 above
80% of their ignition temperature without taking special measures
f) Charging of the medium is not permitted; measures by the operator are
necessary.
16.1.3 Temperature classes and medium temperatures
Z
Material seal Marking Cat. 2 (Zone 1) TC Cat. 3 (Zone 2) TC
1
FKM e = 1
-20 °C .. 80 °C T4 -20 °C .. 90 °C T4
2
-20 °C .. 100 °C T3 -20 °C .. 110 °C T3
3
FEP / EPDM 92 e = 3
-20 °C .. 80 °C T4 -20 °C .. 90 °C T4
4
-20 °C .. 110 °C T3 -20 °C .. 120 °C T3
5
NBR e = 4
-20 °C .. 80 °C T4 -20 °C .. 90 °C T4
6
-20 °C .. 100 °C T3 -20 °C .. 110 °C T3
7
Fluoroprene e = 5
-20 °C .. 80 °C T4 -20 °C .. 90 °C T4
8
-20 °C .. 130 °C T3 -20 °C .. 130 °C T3