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SHENZHEN KEYTO FLUID TECHNOLOGY CO., LTD.
SHENZHEN KEYTO FLUID TECHNOLOGY CO., LTD.
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Mini Diaphragm Liquid Pump 7121

7121 series micro diaphragm pump is a new module that is independently developed by Keyto. Its main function is to achieve liquid aspiration and dispensing by means of reciprocating movement of the diaphragm driven by motor. This 7121 series single-head micro diaphragm pump is widely used in medical instruments, environmental protection equipment, meters, chemistry machinery, household electrical, laboratory instruments, and other advanced areas.

Specifications Selection Table

Specifications of Mini Diaphragm Liquid Pump 7121


Brush Diaphragm Liquid Pump

Product model number

7121-31-ELA

7121-32-ELA

7121-61-ELA

7121-62-ELA

Rated power (W)

<7W

<7W

<7W

<7W

Rated voltage (DC)

12V

24V

12V

24V

Liquid flow rate at high pressure

≥0.30L/min

≥0.30L/min

≥0.60L/min

≥0.60L/min

Output pressure

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

Suction pressure

≤-80Kpa

≤-80Kpa

≤-80Kpa

≤-80Kpa

Operating temperature

0-40℃

0-40℃

0-40℃

0-40℃

Safety protection current

/

/

/

/

Rated current (A)

≤0.36

≤0.16

≤0.36

≤0.16

Connection

4mm inner diameter hose

Service life

3000 hrs

Applicable media

Water, weak acids, weak bases, etc.

Pump body material

PP(Optional)

Diaphragm/valve material

EPDM(Optional)

Notes:
1. The criterion of pumping vacuum is that the actual value is larger than the standard value (e.g.: -80Kpa).
2. If there are special reagent tolerance requirements, please consult our engineer.




Brush-less Diaphragm Liquid Pump

Product model number

7121-31-ELN

7121-32-ELN

7121-61-ELN

7121-62-ELN

Rated power (W)

<7W

<7W

<7W

<7W

Rated voltage (DC)

12V

24V

12V

24V

Liquid flow rate at high pressure

≥0.30L/min

≥0.30L/min

≥0.60L/min

≥0.60L/min

Output pressure

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

Suction pressure

≤-80Kpa

≤-80Kpa

≤-80Kpa

≤-80Kpa

Operating temperature

0-40℃

0-40℃

0-40℃

0-40℃

Rated current(A)

0.5

0.25

0.5

0.25

Safety protection current(A)

2.0

1.2

2.0

1.2

Product model number

7121-31-ELM

7121-32-ELM

7121-61-ELM

7121-62-ELM

Rated power (W)

<7W

<7W

<7W

<7W

Rated voltage (DC)

12V

24V

12V

24V

Liquid flow rate at high pressure

≥0.30L/min

≥0.30L/min

≥0.60L/min

≥0.60L/min

Output pressure

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

≥0.2Mpa

Suction pressure

≤-80Kpa

≤-80Kpa

≤-80Kpa

≤-80Kpa

Operating temperature

0-40℃

0-40℃

0-40℃

0-40℃

Rated current(A)

0.5

0.25

0.5

0.25

Safety protection current(A)

2.0

1.2

2.0

1.2

Connection

4mm inner diameter hose

Life cycle

>10000 hrs

Applicable Medium

Water, weak acids, weak bases, etc.

Pump body material

PP(Optional)

Diaphragm/valve material

EPDM(Optional)

Notes:
1.The criterion of pumping vacuum is that actual value larger than standard value (e.g.: -80Kpa).
2.If there are special reagent tolerance requirements, please consult our engineer.


Note: Please kindly reach out to our sales team for design and specification final clarification and confirmation.


Diaphragm Rolling Pump

Reasons to Buy Keyto Mini Diaphragm Liquid Pump 7121

  • 01
    Pure working environment

    Offering pure working environment for liquid transfer and air aspiration and compression.

  • 02
    Quality service

    Oil-free, maintenance-free and long service life.

  • 03
    Sound environmental protection

    Low vibration and low noise.

  • 04
    Performance characteristics

    Excellent sealing and corrosion resistance.

  • 05
    Installation

    Easy installation.

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