Monitoring Devices - Wilo Flumen OPTI-TR 20-1 Instrucciones De Instalación Y Funcionamiento

4.1.3 Seal
Seal
On the fluid side: SiC/SiC
On motor side: NBR (nitrile)
On motor side: SiC/SiC
Housing material
1.4408
(ASTM A 351)
4.2

Monitoring devices

Internal monitoring devices
Motor compartment
Motor compartment/sealing chamber*
Motor winding**
External monitoring devices
Sealing chamber
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 28-1, 30-1, 40-1 Wilo-Flumen EXCEL-TRE 20, 30, 40
Product description
Max. immersion depth
Explosion protection
Operating mode, immersed
Operating mode, non-immersed
Motor efficiency class
Housing material
Between the motor and propeller, there is the seal housing with seals on the fluid side and
motor side. The seal on the fluid side is provided by a mechanical seal. The seal on the motor
side involves either a rotary shaft seal or a mechanical seal. The seal housing is filled with
white oil and absorbs the leakage from the seal on the fluid side.
• • •
− − −
• • •
• • •
Overview of possible monitoring devices:
o o o
− − −
• • •
o o o
Legend
− = not available/possible, o = optional, • = standard
* In the Ex version, this monitoring is omitted and not substituted!
** A temperature limiter is in-built as standard. The Ex version as per ATEX also features an
installed temperature controller and limiter.
All monitoring devices fitted must be connected at all times!
OPTI-TR... EXCEL-TRE...
20 m (66 ft) 20 m (66 ft)
ATEX, FM, CSA ATEX, FM
S1 S1
- -
- IE3
EN-GJL-250 (ASTM A48 EN-GJL-250 (ASTM A48
Class 35/40B) Class 35/40B)
• • •
• • •
− − −
• • •
− − −
o o o
• • •
o o o
en-US
•
•
−
•
−
o
•
o
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