Product description
en
Installation and operating instructions Wilo-EMU TR 14-40
11
TR 14...
TR 16...
TR 21...
TR 22...
TR 28...
TRE 36...
TR 40...
Nominal diameter in mm (in)
140
(5.5)
160
(6)
210
(8)
220
(8.5)
280
(11)
360
(14)
400
(16)
Number of blades
2
2
2
3
2
3
3
Material version
PUR
•
•
•
−
•
•
•
EN-GJL-250
(ASTM A48 Class 35/40B)
−
−
−
o
−
−
−
1.4571
(AISI 316TI)
−
−
o
−
−
o
o
1.4408
(ASTM A 351)
−
−
−
•
−
−
−
• = standard, − = not available, o = optional
* = high wear-resistant propeller made of composite PUR/GFK (PUR/GFRP) material
featuring reinforced leading edge.
4.1.2
Motor
The system is driven by a surface-cooled motor in three-phase current version. The
motor is fitted with maintenance-free, permanently lubricated and appropriately di-
mensioned roller bearings. The motor is cooled by the fluid around it. Waste heat is
transferred directly to the fluid via the motor housing.
The connection cable is sealed water pressure-tight against the fluid and is sealed lon-
gitudinally watertight. The connection cable has bare cable ends and the standard
length is 10 m (33 ft). Longer cables are available on request.
TR...
Fluid temperature
3...40 °C (37...104 °F)
Protection class
IP68
Insulation class
H
Number of poles
4, 6, 8
Max. switching frequency
15/h
Max. immersion depth
20 m (66 ft)
Explosion protection
ATEX, FM, CSA
Operating mode, immersed
S1
Operating mode, non-immersed
-
Motor efficiency class
-
Housing material
EN-GJL-250 (ASTM A48 Class 35/40B)
4.1.3
Seal
Between the motor and propeller, there is the seal housing with the seal on the fluid
and on the motor side.
The seal on the fluid side is provided by a mechanical seal. The mechanical seal is fitted
with an additional packing sleeve. The packing sleeve ensures a durable and corrosion-
resistant fit for the 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 leakage from the seal on the fluid
side.
