EMU TRE 321.37-4/12 | Mixer | Wilo

EMU TRE 321.37-4/12

Mixer

Unit
Power consumption at duty point P_1.1	2.61 hp
Max. thrust F	427.1 lbf
Thrust to power ratio	161 lbf/hp
Max. weight* m	485.0 lb
Explosion protection ATEX	optional
Explosion protection FM	optional
Protection class motor	IP68

Propeller
Propeller model	3-blade propeller with self-cleaning hub; clogging- and entwining-free
Nominal propeller diameter Dnom	82.7 in (")
Propeller speed n	37 RPM
Transmission ratio	46.500

Filling quantities and types
Filling prechamber	Gear oil CLP220
Filling volume prechamber V	0.3 US gal
Filling gear chamber	Gear oil CLP220
Fill volume gear chamber V	0.2 US gal
Filling sealing chamber	White oil
Fill volume sealing chamber V	0.3 US gal

Motor/electronics
Motor type	TE 17-4/12R (Ex)
Motor design	Submersible motor – surface-cooled
Mains connection	3~460 V, 60 Hz
Rated current I_N	5.40 A
Starting current - direct I_A	41.00 A
Starting current - star-delta I_A	13.80 A
Power consumption P_{1 max}	4.7 hp
Rated power P₂	4.0 hp
Speed original n	1746 RPM
Motor efficiency class	IE3
Efficiency η_M	86.7 %
Power factor cos φ₁₀₀	0.81
Max. fluid temperature T_max	72 °F
Min. fluid temperature T_min	5 °F
Max. immersion depth	65.62 ft
Insulation class	H
Max. switching frequency t	15 rph
min. switching break t	3
Starting torque M	49.4 lbf ft
Moment of inertia	0.26 lb ft²
Motor bearings	2 grooved 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