EMU TR 221.21-6/8

Mixer

Unit
Power consumption at duty point P_1.1	0.55 kW
Max. thrust F	450 N
Thrust to power ratio	818 N/kW
Max. weight* m	200 kg
Explosion protection ATEX	optional
Explosion protection FM	optional
Protection class motor	IP68

Propeller
Propeller model	2-blade propeller with self-cleaning hub; clogging- and entwining-free
Nominal propeller diameter Dnom	2100 mm
Propeller speed n	21 1/min
Transmission ratio	40.735

Filling quantities and types
Filling prechamber	Gear oil CLP220
Filling volume prechamber V	1.00
Filling gear chamber	Gear oil CLP220
Fill volume gear chamber V	0.80
Filling sealing chamber	White oil
Fill volume sealing chamber V	1.10

Motor/electronics
Motor type	T 17-6/8R (Ex)
Motor design	Submersible motor – surface-cooled
Mains connection	3~400 V, 50 Hz
Rated current I	4.45 A
Power consumption P_{1 max}	2.50 kW
Rated power P₂	1.75 kW
Speed original n	915 1/min
Efficiency η_M	70.0 %
Power factor cos φ₁₀₀	0.82
Min. fluid temperature T_min	3 °C
Max. fluid temperature T_max	40 °C
Max. immersion depth	20 m
Insulation class	H
Max. switching frequency t	15 rph
min. switching break t	3
Starting torque M	37
Moment of inertia	0.0112
Motor bearings	1 grooved ball bearing, 1 two-row inclined ball bearing

Materials
Motor housing	Grey cast iron
Static gaskets	FKM
Motor shaft	1.4021, X20Cr13
Seal, gear/sealing chamber	SiC/SiC, Q1Q1VGG
Gear housing	5.1301, EN-GJL-250
Planetary gear	1.7131, 16MnCr5
Hollow gear	1.5216, 17MnV6
Sun gear	1.7131, 16MnCr5
Output shaft	1.4462, X2CrNiMoN22-5-3
Seal, gear chamber/prechamber	FKM
Sealing chamber	5.1301, EN-GJL-250
Seal on the fluid side	Q1Q1VGG
Seal bushing	1.4571, X6CrNiMoTi17-12-2
Propeller hub	5.3106, EN-GJS-400-15
Propeller	VE-GFRP

Gear
Gear construction type	m 2.0 as per DIN 780-1:1977-05 /P10 (ISO54:1996-12); sun and planetary gears case hardened and sanded, internal gear butt-jointed
Gear bearings	Six needle roller bearing (planetary), two tapered roller bearings (output shaft adjustable type), gearing permanently fixed
Service life L_h10	100,000 operating hours, ISO 281:2007-02