Technical Data
52
28.08.2019
8.5.
Materials of Construction of the wetted Parts
Part
Material
Turned parts and sheet metal parts (permanently wetted)
1.4301/ 304H
Heater coils (permanently wetted)
1.4401 / 316L
Corrugated tubing (permanently wetted)
1.4541 / 321
Drain tap
(Not subject to circulation, not subject to high or low
temperature loads, permanently wetted)
Nickel 99.9%
Membrane pressure sensor
(Not subject to circulation, not subject to high or low
temperature loads, permanently wetted)
1.4305 / 303
Soldered bush pressure sensor
(Not subject to circulation, not subject to high or low
temperature loads, permanently wetted)
DHP copper / C12200
O-ring for magnetic coupling (pump)
(Not subject to circulation, not subject to high or low
temperature loads, permanently wetted)
FKM
(Viton®)
O-ring for drain tap
(Not subject to circulation, not subject to high or low
temperature loads)
FPM
(Viton®)
Gasket for level detection unit <-> expansion tank
(no direct contact with medium – possibly vapors)
2.0090 SF-Cu F20
(wrought copper-base alloy)
O-ring for flange in expansion tank
(Contact with medium only in case of overflow)
NBR
(nitrile rubber)
Flat gasket in expansion tank
(Contact with medium only in case of overflow, possibly
vapors)
VMQ
(silicon rubber)
Profile gasket for filling funnel
(Possible contact with medium during filling)
FKM
(Viton®)
Pump bearings (permanently wetted)
FH42A (carbon graphite)
Plug for filling funnel
(no direct contact with medium – possibly vapors)
POM
(Polyoxymethylene)
O-ring for plug (filling funnel)
(no direct contact with medium – possibly vapors)
CR
(Chloroprene)
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