Model Number: YW29-B
Application: Automotive Industry, Biofuel Industry, Family Homes, Food and Beverage Industry, Machining, Metal and Equipment Manufacturers, Raw Water Intake, temperature control, Washing and Cleaning, wastewater treatment, Water Distribution, Water Treatment Solutions
Horsepower: 15w
Power Source: Electric
Pressure: -0.07Mpa
Structure: Diaphragm Pump
Cable Length: N/M
Outlet Size: N/M
Voltage: 12v/24v
Power: N/M, 15w
Operating Environment: 0-40℃
Media: Nonreactive gas
Humidity: Less than 80%
Noise Level: 70dB
Weight: 288.4g/pcs
Motor Type: brushless motor, brush motor
Nominal Motor Voltages: 12VBLDC,DC Other voltage can be customized.
Current Range: 0.68- 1.5A
Maximum Flow Rate: 12L/min
Certification: ce, ISO9001

Diaphragm Micro Vacuum Pump Mini Air Pump

YW29Micro Diaphragm Pumps are a series of brush and brushless DC motor driven pumps which are customized to meet the specific performance requirements.The innovative compact designs adopt leading the pumps will operate more efficient.
YW29 can be used for vacuum, pressure or alternating
vacuum and pressure operations.
YW29 is ideal for compact, high flow, wide pressure ranges, long life and low noise applications.

Typical Applications• medical facility
•environmental protection
• Chemical Technology
• laboratory applications
• food engineering
• home applications
Features• YW29series pump with our unique brushless dc
motor design, Set new standards for maintenance-free performance,
• YW29maximize flexibility by providing multiple installation options,
• Our 100% oil-free and grease-free diaphragm pump and compressor designs maintain the purity of the
system and pass the international certified.

Product Specifications

Physical Performance Electrical performance Pneumatic performance
Operating Environment1 : Motor Type: Head Configuration:
0-40℃ brushless motor, brush motor Dual
Storage Environment: Nominal Motor Voltages4: Maximum Flow Rate:
-20-100℃ 12VBLDC,DC Other voltage can be customized. 12L/min
Media: Current Range5: Pressure Range:
Nonreactive gas 0.68- 1.5A 0-0.20Mpa
Humidity: Kitting Materials Vacuum Range:
Less than 80% Diaphragm: -0.07–0Mpa
Noise Level2: EPDM Filtration:
70dB Valves: /
Pump Assembly Rated Life3 : EPDM Free Flow Efficiency:
BLDC 6000h
Pump Head: /
Weight: PPS

Performance specifications

The figure above represents a performance example of the YW29 series pump .Performance will depend on atmospheric pressure and medium temperature.The curve represents the standard pump configuration.Pump configurations can be customized for higher or lower flow according to specific customer requirements.
If have any requirements, please contact HangZhou CZPT Fluid Technology Co., LTD.

Size and Selection

Item Efficiency Life span Cost Noise
YW29-B in Parallel Best-Up to 75% motor efficiency at high power levels Good -6000 hrs Best Good
YW29-B in Series Better-Up to 60% motor efficiency at low loads Good – 6000 hrs Good Better

Electrical Integration and Motor Control

Item Flow Pressure Vacuum degree Motor Type Voltage Noise level
YW29-B in Parallel 12L/min 0.20Mpa -0.07Mpa BLDC/DC 12V 70dB
YW29-B in series 8.3L/min 0.20Mpa -0.085Mpa BLDC/DC 12V 70dB

Brush Motor

Lead angle Two(+,-)
specification Thickness0.5mm,width2.8mm,Height6.2mm

Brushless Motor Control Options

2 Wire Red (+), Black (-)
3 Wire (Speed Control) Red (+), Black (-), White (PWM) or Yellow (Analog)
4 Wire (Speed Control & Feedback) Red (+), Black (-), White (PWM) or Yellow (Analog),Blue(tachometer)
Wire specification 22AWG, Insulation OD 0.051 inch (1.30 mm), 20” (508 mm) Wire Leads

Other Motor Control Considerations
The drive electronics for the BLDC motors are integrated into the motor itself, all that needed is a power supply with the sufficient voltage and current.
Key Things to Remember
The pump is not a pressure holding device. An external check valve is recommended, if there is a pressure holding requirement.

Pump orientation does not affect performance or life.
Pulse Width Modulation (PWM)
Pulse-width modulation is a commonly used technique for controlling DC motors.
1.The average value of the voltage fed to the motor is controlled by turning a switch between the voltage supply and the motor on-and-off at a fast pace. The longer the switch is on compared to the off time, the higher the power supplied to the motor.
2.The PWM switching frequency varies for different types of devices, and is selected based on how it affects the device. For example, Some applications require a faster switching frequency to reduce the noise or electrical noise that is being heard.
3.The term duty cycle describes the ratio of on-time to the period (one complete on-and-off cycle). Duty cycle is normally expressed as a percentage of on-time, 100% being full-power and 50% being half-power.
4.The advantage of PWM is the reduction of power-loss due to switching versus other control methods. We recommends controlling the pump using 15kHz – 20 kHz frequency range.

Typical Flow Diagram

Gas transport case

Vacuum case

Company Information
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Basic knowledge of vacuum pump

A vacuum pump is used to create a relative vacuum within a sealed volume. These pumps take gas molecules out of the sealed volume and expel them, leaving a partial vacuum. They can be used in a variety of applications, including medicine and laboratory research. This article will cover the basics of vacuum pumps, including how they operate and the materials they use. You will also learn about typical applications and fees.
Vacuum Pump

How it works

A vacuum pump is a pump that removes air from a specific space. These pumps are divided into three types according to their function. Positive displacement pumps are used in the low vacuum range and high vacuum pumps are used in the ultra-high vacuum range. The performance of a vacuum pump depends on the quality of the vacuum it produces.
A vacuum pump creates a partial vacuum above the surrounding atmospheric pressure. The speed of the pump is proportional to the pressure difference between the ambient atmosphere and the base pressure of the pump. Choose a base pressure for a specific process, not the lowest possible pressure in the system.
A scroll pump is also a type of vacuum pump. This type of pump consists of two scrolls, the inner scroll running around the gas volume. It then compresses the gas in a spiral fashion until it reaches the maximum pressure at its center. The inner and outer scrolls are separated by a polymer tip seal that provides an axial seal between them. Its pumping speed ranges from 5.0 to 46 m3/h.
Another type of vacuum pump is the screw pump, which uses two rotating screws in one chamber. The screw in the screw pump is a left-handed screw, and the other is a right-handed screw. The two screws do not touch each other when engaged, preventing contamination of the medium. They also feature high pumping speeds, low operating costs and low maintenance requirements.
The vacuum pump consists of several parts such as rotor and base. These components create an area of ​​low pressure. Gas and water molecules rush into this low pressure area, where they are sucked into the pump. The pump also rotates, preventing fluid leakage to the low pressure side.
The main function of a vacuum pump is to remove gas particles from an enclosed space. It does this by changing gas molecules between high and low pressure states. A vacuum pump can also generate a partial vacuum. There are several types of vacuum pumps, each designed to perform a specific function, so it is important to choose the right type for your application.

Vacuum Pump Materials

There are two main materials used in vacuum pumps: metal and polyethylene. Metal is more durable, while polyethylene is cheaper and more flexible. However, these materials are not suitable for high pressure and may cause damage. Therefore, if you want to design a high-pressure pump, it is best to use metal materials.
Vacuum pumps are required in a variety of industrial environments and manufacturing processes. The most common vacuum pump is a positive displacement vacuum pump, which transports a gas load from the inlet to the outlet. The main disadvantage of this pump is that it can only generate a partial vacuum; higher vacuums must be achieved through other techniques.
Materials used in vacuum pumps vary from high to rough vacuum pumps. Low pressure ranges are typically below 1 x 10-3 mbar, but high vacuum pumps are used for extreme vacuum. They also differ in manufacturing tolerances, seals used, materials used and operating conditions.
The choice of vacuum pump material depends on the process. The vacuum range and ultimate pressure of the system must be carefully analyzed to find the right material for the job. Depending on the purpose of the pump, a variety of materials can be used, from ceramic to plastic substrates. When choosing a vacuum pump material, be sure to consider its durability and corrosion resistance.
Dry and wet vacuum pumps use oil to lubricate internal parts. This prevents wear of the pump due to corrosion. These types of pumps are also recommended for continuous use and are ideal for applications where the gas is acidic or corrosive. Therefore, they are widely used in the chemical and food industries. They are also used in rotary evaporation and volatile compound processing.
Positive displacement pumps are the most common type. They work by letting gas flow into a cavity and venting it into the atmosphere. Additionally, momentum transfer pumps, also known as molecular pumps, use high-velocity jets of high-density fluids to transport air and gases. These pumps are also used for medical purposes.

Typical application

Vacuum pumps are used to remove large amounts of air and water from the process. They are used in various industries to improve performance. For example, liquid ring vacuum pumps are used in packaging production to produce plastic sheets in the desired shape and size. Large-capacity suction pumps are used in the chemical industry to improve the surface properties of materials and speed up filtration.
There are two basic principles of vacuum pumps: entrapment and gas transfer. Positive displacement pumps are suitable for low to medium vacuums, while momentum transfer and retention pumps are suitable for high vacuums. Typically, high vacuum systems use two or more pumps working in series.
There are three main categories of vacuum pumps: primary, booster, and secondary. Their working pressure ranges from a few millimeters above atmospheric pressure. They also have several different technologies, including positive displacement, gas transfer, and gas capture. These pumps transport gas molecules through momentum exchange. Typically, they release gas molecules at roughly the same rate as they entered. When the process is complete, the gas molecules are slightly above atmospheric pressure. The discharge pressure is equal to the lowest pressure achieved, which is the compression ratio.
Vacuum pumps are widely used in all walks of life. They can be found in almost every industrial sector, including food processing. For example, they are used to make sausages and food products. In addition, they are used in landfill and digester compressors. They can also be used to build solar panels.
Oil lubricated vacuum pumps are currently the most energy-efficient vacuum pumps. These pumps are suitable for a variety of industrial applications including freeze drying and process engineering. These pumps use oil as a sealant and coolant, which makes them ideal for a variety of applications. These pumps are also very sensitive to vibration.
Another type of vacuum pump is a turbomolecular pump. These pumps have multiple stages and angled vanes. Unlike mechanical pumps, turbomolecular pumps sweep out larger areas at higher pumping speeds. In addition, they can generate ultra-high oil-free vacuums. Additionally, they have no moving parts, which makes them ideal for high vacuum pressures.
Vacuum Pump

Vacuum Pump Cost

Annual maintenance costs for vacuum pumps range from $242 to $337. The energy consumption of the vacuum pump is also a consideration, as it consumes electricity throughout its operating cycle. For example, an electric motor for a 1 hp pump uses 0.55 kW/hr, which equates to 2,200 kWh of energy per year.
Energy cost is the largest part of the total cost of a vacuum pump. They are usually four to five times higher than the initial purchase price. Therefore, choosing a more energy efficient system can reduce the total cost of ownership and extend the payback period. For many clients, this can be millions of dollars.
A vacuum pump works by compressing gas as it enters a chamber. This pushes the gas molecules towards the exhaust. The exhaust gas is then vented to the atmosphere. A special spring-loaded vane seals the pump’s chamber, creating an airtight seal. Specially formulated oils are also used to lubricate, cool and seal rotors.
Vacuum pumps are not cheap, but they have many advantages over water suction. One of the main advantages of vacuum pumps is their flexibility and reliability. This is an industry-proven solution that has been around for years. However, the initial cost of a vacuum pump is higher than that of a water aspirator.
If the vacuum pump fails unexpectedly, replacement costs can be high. Proper maintenance can extend the life of your system and prevent unplanned downtime. However, no one can predict when a pump will fail, and if a pump does fail, the cost can far exceed the cost of buying a new pump. Therefore, investing in preventive maintenance is a wise investment.
There are many types of vacuum pumps, not all of which are suitable for the same type of application. Make sure to choose a pump with the power required for the job. It should also be able to handle a variety of samples.

China Diaphragm Micro Vacuum Pump Mini Air Pump     vacuum pump diyChina Diaphragm Micro Vacuum Pump Mini Air Pump     vacuum pump diy
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