Kamoer Product Manual

Company: Kamoer Fluid Tech (Shanghai) Co., Ltd.

Product Name: Micro diaphragm pump

Product Model: KLVP3

Version: A/4

File No.: CPBZ-KLVP3-01

Effective Date: 2022-05-16

A. Product Overview

1. Product physical picture

A physical image of the Kamoer KLVP3 micro diaphragm pump is shown, displaying its compact black and metallic construction.

2. Product assembly drawing

An exploded view diagram illustrates the internal components of the diaphragm pump. Key parts labeled include: Top cover, Valve piece, Valve plate, Diaphragm, Drive rod assembly, Rear cover, Motor, and Pump body.

3. Model definition

Model	Pump head type	Motor type	Input voltage
KLVP3	S	B	12

Note: 'S' denotes single head type, 'B' denotes brushless motor, and '12' denotes 12V input voltage.

3.1 Pump head type

S: single head type - A description of the single-headed pump configuration.

D: double head type - A description of the double-headed pump configuration.

3.2 Motor type

B: Brushless motor - Description of the brushless motor option.

D: brushed motor - Description of the brushed motor option.

3.3 Input voltage

12: 12V voltage input

24: 24V voltage input

4. Performance characteristics, typical applications

4.1 Performance characteristics

KLVP3 series diaphragm air pumps are available in 24V and 12V options, allowing customers to choose based on usage scenarios.
The product design is aesthetically pleasing and functional.
Oil-free and maintenance-free operation, capable of working 24 hours a day.
Optional motors: brush motor offers cost advantage, while brushless motor provides performance advantage.
Low noise and low power design.
Constructed with high-quality engineering plastics and rubber materials for good product stability.

4.2 Typical applications

Environmental protection industry: Used as a gas pump for gas monitoring.
Medical equipment: Used as an air pump for rehabilitation instruments.
Industrial automation: Used as negative pressure pumps for suction cups.
White goods: Used as a negative pressure pump for massagers.

4.3 Known Risk Notification

The medium contacts the pump head and rubber; chemical compatibility or immersion testing is necessary when selecting a model.
Operating environment: Temperature should not exceed 40°C, and humidity should not exceed 70% (no condensation). Harsh environments can cause premature damage.
Frequent start/stop, overpressure, underpressure, or other unreasonable working conditions can lead to premature pump damage.
High overloading may result in premature product failure.
The medium may contain dust, oil, and other pollutants that can contaminate pump components and cause damage; a pre-filter is recommended.

5. Product Certification, Intellectual Property

The product is supported by the following certifications and intellectual property:

CN305332646S (Design Patent Certificate)
CE certification
RoHS certification

B. Product specification

1. Technical Parameters

Project	KLVP3-SB	KLVP3-SBP	KLVP3-DB	KLVP3-SD
Effective traffic	≥1.2 L/min	≥1.5 L/min	≥2.2 L/min	≥1.2 L/min
Peak flow	≥2L/min	≥2.5L / min	≥4L/min	≥2L / min
Negative pressure		≥ - 0.05 Mpa
Positive pressure	≤2.5W	≤4W	≤5W	≤2.5W
Power	≤62dB	≤65dB	≤65dB	≤65dB
Noise	PWM speed regulation work, fixed speed work			fixed speed work
Control method	about 70g	about 85g	about 105g	about 80g
Weight	12V/24V
Rated voltage	DC brushless motor			DC brushed motor
Motor type	≥ 6000h			≥ 600h
Product life	Temperature range: 0°C ~ 50°C; relative humidity: <80% (no condensation)
Applicable environment	Supplementary Note: The above parameters are tested under standard atmospheric pressure, room temperature 25°C, and air medium. Under the ambient noise of 35dB, measured at a distance of 50cm, the performance parameters of the product are affected by the comprehensive influence of the environmental state (air pressure, temperature, humidity, etc.), the medium state (temperature, density, viscosity, and chemical properties, etc.) and the load before and after the pump, so the above Parameters may differ from actual parameters.

2. Product material

Model	Pump head	Pump body	Diaphragm	Valve	Eccentric wheel
KLVP3	PPE	PA	EPDM	EPDM	Brass

3. Product Size

Diagrams illustrate the physical dimensions of the pump. Suggested tube connection is 4x6 PU tube. Suggested mounting screws are ST2.6. A table provides specific dimensions (A, B) for models SB12/24 (A: 24.5mm, B: 43mm), SD12/24 (A: 24mm, B: 58.5mm), and SBP (A: 22mm, B: 57.5mm).

4. Flow curve

Line graphs illustrate the flow rate versus pressure for different series:

Flow Curve Chart (SD Series/SB Series): Plots 'Peak flow rate' and 'Effective flow rate' against 'Pressure' (MPa).
Flow Curve Chart (SBP Series): Plots 'Peak flow rate' and 'Effective flow rate' against 'Pressure' (MPa).
Flow Curve Chart (DB Series): Plots 'Peak flow rate' and 'Effective flow rate' against 'Pressure' (MPa).

5. Motor Control (for brushless motors)

Wiring details for brushless motors:

Red line: Vcc (Positive electrode)
Yellow line: FG (Speed feedback)
Blue line (white line): PWM (Speed regulation)
Black line: GND (Negative electrode)

Speed Regulation Methods:

PWM speed regulation: 10KHZ ~ 30KHZ, amplitude: 5V.
Control ratio: 0-10% does not turn; 11%-100% speed range.
Analog voltage speed regulation: voltage 0-5V. 0-0.5V results in no rotation; 0.6-4.5V provides speed regulation range.

Speed Feedback: The yellow line (FG) connects to an oscilloscope probe or host computer. Calculations for speed (rev/min) are provided: SD/DB series: 1 pulse/rotation = FG signal * 60; SB/SBP series: 6 pulses/rev = FG signal * 60/6.

Full speed operation: Connect the positive pole to the red and blue (white) wires; connect the negative pole to the black wire.

Two types of speed control cables (blue and white) are available with similar performance.

Wiring diagrams show 'Full speed work' and 'Speed regulation work' configurations.

C. Optional accessories

Name	Specifications	Quantity	Function introduction
Prefilter	/	1	Prevents dust, oil stains, etc., from entering the pump head and causing damage.
Speed control driver board	Three-wire governor	1	Allows easy adjustment of water output (liquid pump) and air output (air pump) via an external speed knob.

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