MMR series

PREMIUM GRADE IE3 premium efficiency motor SUBMERSIBLE MIXERS

SERIES MMR

The MMR-series of the “TSURUMI AVANT” brand features premium grade submersible mixers with a built-in IE3 premium efficiency motor. These durable compact mixers come in standard with EN-GJL-250 cast iron body, AISI 316 stainless steel propeller, AISI 431 stainless steel shaft and Tsurumi’s typical dual inside mechanical seals with silicon carbide faces in the oil chamber. As an option, models are also available with a stainless steel body made of AISI 316. Either way, these high quality mixers guarantee users a high level of reliability and stability.

The MMR-series can be chosen from a wide lineup of propeller sizes (200 - 650 mm) and motor outputs (0.75 - 7.5 kW). Moreover, an array of accessories is available for installing the mixers anywhere inside a tank as a new installation or replacement of existing equipment.

DIRECT TRANSMISSION REDUCTION GEARS

Characteristics

  • Innovative cable gland system with cable holder. The universal thread ring-nut can be removed to fix a rigid or flexible duct to the cable gland to protect the cable from physical and mechanical stresses.
  • Premium IE3 class cold-running motor for high efficiency and minimal energy use. Insulation class H (180°C).
  • Two silicon carbide (SiC) mechanical seals protected inside a large, inspectable oil chamber. MMR 650-series equipped with 3 mechanical seals.
  • Cast AISI 316 stainless steel propeller, designed with specially shaped blades to ensure high hydraulic efficiency and prevent fouling with filaments and solids. Extra thick for ruggedness and reliability even in heavy-duty conditions.
  • Water sensor detecting seepage into the mechanical seal oil chamber. The temperature sensor prevents possible damage due to overheating of the motor. Bearing temperature sensors are available on request. (other monitoring options are available for the MMR 650-series on request)
  • Wide range of rugged stainless steel accessories for optimal installation in relation to the system layout and when replacing existing devices.

Features

MOTOR

MOTOR

Premium IE3 class cold-running motor for high efficiency and minimal energy use.
Insulation class H (180°C).

PROPELLER

PROPELLER

Cast AISI 316 stainless steel propeller, designed with specially shaped blades to ensure high hydraulic efficiency and prevent fouling with filaments and solids.
Extra thick for ruggedness and reliability even in heavy-duty conditions.
A special chopper system in the rear of the propeller prevents the entry of filaments which could become entangled around the drive shaft and impair its operation.

MECHANICAL SEALS

MECHANICAL SEALS

Two silicon carbide (SiC) mechanical seals in large, inspectable oil chamber.
MMR 650-series equipped with 3 mechanical seals.
(2 in the oil chamber and 1 in the gearbox)

MONITORING

MONITORING

Water sensor detecting seepage into the mechanical seal oil chamber.
The temperature sensor prevents possible damage due to overheating of the motor.
Bearing temperature sensors are available on request.
(other monitoring options are available for the MMR 650-series on request)

CABLE GLAND

CABLE GLAND

Innovative cable gland system with cable holder.
The universal thread ring-nut can be removed to fix a rigid or flexible duct to the cable gland to protect the cable from physical and mechanical stresses.

BEARINGS

BEARINGS

Ball bearings with lifetime lubrication designed to guarantee 100,000 working hours.
Temperature sensor on request.

INSTALLATION

INSTALLATION

Wide range of rugged stainless steel accessories for optimal installation in relation to the system layout and when replacing existing devices.

REDUCTION GEARBOX [MMR 650-series]

REDUCTION GEARBOX
[MMR 650-series]

Rugged planetary reduction gearbox which provides high reduction ratios and torque transfer and withstands heavy radial loads, with compact size and light weight.

MOTOR

1

PROPELLER

2

MECHANICAL
SEALS

3

MONITORING

4

CABLE GLAND

5

BEARINGS

6

INSTALLATION

7

REDUCTION
GEARBOX
[MMR 650-series]

8

Range characteristics

Motor Propeller
Series P2
[kW]
Poles Rotation speed
[rpm]
Propeller Ø
[mm]
Thrust
[N]
Rotation speed
[rpm]
MMR 200 DIRECT
TRANSMISSION
0.75 - 1.5 4 1450 200 165 - 230 1450
MMR 300 1.5 - 3.2 6 960 300 350 - 820 960
MMR 400 3.0 - 4.5 8 750 400 625 - 1060 750
Motor Propeller
Series P2
[kW]
Poles Rotation speed
[rpm]
Propeller Ø
[mm]
Thrust
[N]
Rotation speed
[rpm]
MMR 650 REDUCTION
GEARS
4.0 - 7.5 4 1450 650 1025 - 2100 202 - 300

For detailed specifications of each models, refer to the data booklet.