en
14
Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
5.1.5
Materials
OPTI-TR 50-3 ...
EXCEL-TRE 50-3 ...
OPTI-TR 60-3 ...
EXCEL-TRE 60-3 ...
OPTI-TR 80-3 ...
OPTI-TR 90-2 ...
EXCEL-TRE 90-2 ...
OPTI-TR 120-1 ...
Housing
EN-GJL-250 (ASTM A48 Class 35/40B)
•
•
•
•
•
•
•
•
Seal, on the fluid side
SiC/SiC
•
•
•
•
•
•
•
•
Seal, pre-/gear chamber
FPM (FKM)
•
•
•
•
•
•
•
•
Seal, gear/sealing chamber
SiC/SiC
•
•
•
•
•
•
•
•
Seal, sealing chamber/motor
FPM (FKM)
•
•
•
•
•
•
•
•
Propeller
1.4408 (ASTM A 351)
•
•
•
•
•
−
−
−
PUR/GFK (PUR/GFRP)
−
−
−
−
−
•
•
−
PA6G
−
−
−
−
−
−
−
•
• = standard, − = not available
5.2
Monitoring devices
Overview of possible monitoring devices for submersible mixers
without Ex rating
:
OPTI-TR 50-3 ...
EXCEL-TRE 50-3 ...
OPTI-TR 60-3 ...
EXCEL-TRE 60-3 ...
OPTI-TR 80-3 ...
OPTI-TR 90-2 ...
EXCEL-TRE 90-2 ...
OPTI-TR 120-1 ...
Motor compartment/sealing chamber
o
o
o
o
−
o
o
−
Pre-chamber (external pencil electrode)
o
o
o
o
o
o
o
o
Motor winding: Temperature limiter
•
•
•
•
•
•
•
•
Motor winding: Temperature controller and
limiter
o
o
o
o
o
o
o
o
Key
− = not possible, o = optional, • = standard
Overview of possible monitoring devices for submersible mixers
with Ex rating
:
OPTI-TR 50-3 ...
EXCEL-TRE 50-3 ...
OPTI-TR 60-3 ...
EXCEL-TRE 60-3 ...
OPTI-TR 80-3 ...
OPTI-TR 90-2 ...
EXCEL-TRE 90-2 ...
OPTI-TR 120-1 ...
Motor compartment/sealing chamber
−
−
−
−
−
−
−
−
With IECEx certification
Motor winding: Temperature limiter
o
o
o
o
−
o
o
−
Motor winding: Temperature controller and
limiter
•
•
•
•
−
•
•
−
Pre-chamber (external pencil electrode)
o
o
o
o
o
o
o
o
With ATEX approval
