Dual Head Diaphragm Pump 11 L/min Silent DC Micro Air Pump BD-05T0511L | BODENFLO

The BD-05T0511L is a dual head diaphragm pump designed for OEM gas transfer and vacuum systems, delivering 11 L/min flow in parallel connection, -93 kPa vacuum in series connection, and compact DC motor operation for applications requiring stable airflow, silent operation, and flexible pressure/vacuum configuration.

Additional information

Voltage

12 V / 24 V DC

Max Flow

11 L/min (parallel connection), 7 L/min (series connection)

Max Vacuum

-75 kPa (parallel connection), -93 kPa (series connection)

Max Pressure

1.5 bar

Motor

Brushed DC Motor

Max Power

18 W

Weight

330 g

Overview of BD-05T0511L Dual Head Diaphragm Pump

The BD-05T0511L is a dual head diaphragm pump designed for OEM gas transfer, vacuum generation, and compact air handling systems. Its dual-head structure uses two diaphragm chambers driven by one motor, allowing flexible connection options for different pneumatic requirements.

With parallel connection, the pump provides higher airflow, while series connection delivers deeper vacuum performance. With 11 L/min flow in parallel connection, -93 kPa vacuum in series connection, and 1.5 bar max positive pressure, this model is suitable for medical sampling systems, analytical instruments, gas detection devices, and compact air vacuum modules.

Key Features of BD-05T0511L DC Micro Air Pump

  • Dual-Head Parallel / Series Configuration – The dual-head diaphragm structure supports both parallel and series connection, allowing engineers to balance airflow capacity and vacuum performance based on different system requirements.
  • 11 L/min Parallel Flow – Parallel connection increases air transfer capacity, making the pump suitable for gas sampling, air circulation, and compact pneumatic systems requiring stable airflow.
  • -93 kPa Series Vacuum – Series connection provides stronger suction capability for vacuum sampling, negative-pressure applications, and compact vacuum modules.
  • 1.5 Bar Positive Pressure – Supports pressure-side gas transfer and small pneumatic functions where both air delivery and suction performance are require
  • Compact and Cost-Effective Design – The compact DC motor structure provides a practical solution for OEM equipment requiring reliable air performance while maintaining controlled system cost.
  • Stable Gas Handling Performance – The low-leakage gas path design helps maintain consistent airflow and vacuum performance during long-term sampling and suction operation.
  • Oil-Free Diaphragm Structure – Keeps the gas path clean and reduces contamination risk, making it suitable for medical, analytical, and gas detection equipment.

Technical Specifications of BD-05T0511L Micro Diaphragm Air Compressor Pump

The following specifications help engineers evaluate whether BD-05T0511L matches the required airflow, vacuum level, pressure output, electrical conditions, installation space, and operating environment before sample testing.

Category Specification
Basic Information
Model BD-05T0511L
Type Micro Diaphragm Pump
Structure Dual Head Diaphragm Pump
Voltage Range 12 V / 24 V DC
Parallel Connection Performance
Flow 11 L/min (0.388 cfm)
Negative Pressure -75 kPa (-22.1 in.Hg / -750 mbar / -563 mmHg)
Series Connection Performance
Flow 7 L/min (0.247 cfm)
Negative Pressure -93 kPa (-27.5 in.Hg / -930 mbar / -698 mmHg)
Pressure Performance
Max Positive Pressure 1.5 bar (21.8 psi / 1500 mbar / 0.15 MPa)
Electrical & Motor Data
Motor Type Brushed DC Motor
No-Load Current 12 V: 0.7 A / 24 V: 0.35 A
Max Power 18 W
Lifetime 3000 h
Mechanical Data
Dimensions 121.7 × 31 × 79 mm (4.79 × 1.22 × 3.11 in)
Weight 330 g (0.73 lb)
Recommended Tubing Size ID4 mm / OD6 mm soft hose
Operating Conditions
Operating Environment 5°C to 40°C
Medium Temperature 10°C to 40°C

Standard Materials & Reliability

The standard material configuration is designed for clean gas transfer and compact vacuum generation. PA66 pump head material and EPDM diaphragm/valve components provide a practical balance of sealing performance, mechanical strength, and cost efficiency for general gas applications.

Component Material / Feature
Pump Head PA66
Diaphragm / Valve EPDM
Gas Path Oil-free, low leakage design

For corrosive gases or special sample gases, material compatibility should be reviewed before testing. Customized FKM rubber material options can be considered according to gas type, concentration, operating temperature, and expected service life.

OEM Customization Options

If the standard version does not fully match your equipment design, BODENFLO can support selected customization items for OEM integration.

Item Customization Options
Materials EPDM standard; customized FKM rubber options available
Wiring Custom cable length and wire definition
Connector Open leads, plug connectors, or OEM interface
Tubing ID4 mm / OD6 mm soft hose standard; custom tubing available
Branding Customer-specific marking or private label

BODENFLO can support tubing, wiring, connector, label, and mounting adjustments to help OEM customers reduce assembly work during prototype and production stages.

Typical Applications of BD-05T0511L Brush Diaphragm Pump

BD-05T0511L is suitable for OEM equipment requiring compact airflow, vacuum generation, or pressure-side gas transfer. It is especially useful when engineers need a dual-head diaphragm air pump with flexible connection modes and controlled purchasing cost.

  • Medical Sampling Systems – Supports clean gas sampling, suction, and compact vacuum generation in medical or diagnostic equipment.
  • Gas Detection Devices – Helps draw sample gas through tubing, filters, chambers, or detection modules.
  • Analytical Instruments – Provides airflow or vacuum support for gas analysis, sample transfer, and compact testing systems.
  • Laboratory Equipment – Supports suction, gas circulation, and small vacuum functions in bench-top devices.
  • Portable Air Vacuum Modules – Suitable for compact equipment where size, airflow, and vacuum performance must be balanced.
  • Pneumatic Control Systems – Provides pressure or vacuum support for small pneumatic functions in OEM devices.

Why Choose BODENFLO for Your OEM Diaphragm Pump Project

For OEM diaphragm pump projects, selecting the right supplier requires more than comparing airflow and vacuum specifications. Engineers need a partner who can provide suitable pump structures, customization support, engineering assistance, and reliable long-term supply. BODENFLO supports customers from initial pump selection and prototype testing to volume production.

  • Wide Range of Diaphragm and Piston Pump Solutions
    BODENFLO provides multiple pump structures including single-head, dual-head, and four-head diaphragm pumps, as well as diaphragm and piston pump solutions. This allows engineers to select the most suitable design according to airflow, vacuum, pressure, size, noise, and system requirements.
  • Parallel and series connection support
    We help customers evaluate whether parallel connection or series connection is more suitable based on airflow demand, vacuum target, chamber volume, and system resistance.
  • Application-based pump selection
    BD-05T0511L can be reviewed for medical sampling, gas detection, analytical equipment, and compact pneumatic modules according to actual working conditions.
  • Material compatibility review
    PA66 and EPDM can meet many general gas applications, while customized FKM material options can be discussed for special gases or stricter compatibility needs.
  • OEM integration support
    Tubing size, wiring, connector type, mounting structure, labeling, and installation direction can be reviewed during prototype development.
  • Flexible sample and batch support
    BODENFLO supports sample evaluation, small-batch testing, and long-term OEM/private-label manufacturing projects.

Customer Feedback from OEM Applications

Real application feedback helps buyers understand how BD-05T0511L performs in compact gas transfer and vacuum systems.

Germany | Analytical Instrument Engineer
Application: Gas sampling module
Feedback: The dual-head configuration allowed us to test both higher flow and deeper vacuum options during early system development.

Finland | Medical Device Developer
Application: Sampling and suction module
Feedback: The pump provided a useful balance of airflow, vacuum level, and compact size for our equipment layout.

South Korea | Gas Detection Equipment Manufacturer
Application: Portable detection system
Feedback: The pump was easy to integrate into a compact gas path and helped maintain stable sample movement.

Installation & Usage Notes

Proper installation helps maintain stable airflow, vacuum performance, and service life during OEM integration.

Connection and Air Path
Use parallel connection when higher flow is required and series connection when deeper vacuum is needed. Keep tubing and fittings sealed to reduce air leakage, pressure loss, or unstable sampling performance.

Tubing and Gas Protection
Use ID4 mm / OD6 mm soft hose. If the inlet gas contains particles, dust, or liquid mist, suitable filtration should be added to protect the diaphragm and valve structure.

Material and Operating Conditions
The standard pump head is PA66, with EPDM diaphragm and valve. For corrosive or special gases, confirm compatibility before sample testing. Operating environment is 5°C to 40°C, and medium temperature is 10°C to 40°C.

Downloads – Datasheet

[BD-05T0511L Dual Head Diaphragm Pump Datasheet (PDF)]

FAQ – BD-05T0511L Dual Head Diaphragm Pump

Q1: Why choose a brushed diaphragm pump for an OEM project?

A brushed DC diaphragm pump can be a practical choice for OEM equipment where cost control, stable performance, and simple drive requirements are important. Compared with brushless solutions, BD-05T0511L provides a more economical option while still delivering reliable airflow, vacuum performance, and oil-free gas transfer.

Q2: Why does the actual airflow or vacuum performance differ from the datasheet?

The datasheet performance is measured under specific test conditions. Actual system performance may be affected by tubing size, fittings, filters, leakage, chamber volume, and pneumatic resistance. Testing the pump together with the complete air path helps identify whether the limitation comes from the pump or system design.

Q3: Is this diaphragm pump suitable for gas sampling and analytical equipment?

Yes. The oil-free diaphragm structure helps keep the gas path clean and reduces contamination risk. Combined with stable airflow and vacuum capability, BD-05T0511L is suitable for gas sampling systems, analytical instruments, gas detection devices, and compact vacuum modules.

Q4: What is the difference between BD-05T0511L and BD-05T0511LB?

The main difference is the motor design. BD-05T0511L uses a brushed DC motor, providing a cost-effective solution for OEM equipment requiring stable airflow and vacuum performance. BD-05T0511LB uses a brushless DC motor, offering longer service life, lower maintenance requirements, and better suitability for applications requiring extended operation or motor control functions.

Q5: Where is this diaphragm pump shipped from and how can I purchase it?

The BD-05T0511L dual head diaphragm pump is manufactured and shipped directly from BODENFLO’s factory in Shenzhen, China. We support sample orders, small-batch testing, and OEM production. Contact us with your application requirements for pump selection and quotation support.

Contact BODENFLO – OEM Micro Diaphragm Air Pump Solutions

If you are developing medical sampling equipment, gas detection devices, analytical instruments, or compact air vacuum modules, BODENFLO can support pump selection, customization, sample testing, and long-term OEM supply.

What We Can Provide

  • Pump selection support based on airflow, vacuum, pressure, connection mode, and installation requirements
  • Material recommendations for gas compatibility and service life targets
  • OEM customization of voltage, wiring, connectors, tubing, labels, and mounting structures
  • Engineering support for prototype testing and pneumatic circuit review
  • Flexible sample delivery for early-stage evaluation
  • Stable manufacturing capacity for long-term OEM and private-label projects

📧 Email: info@bodenpump.com
🌐 Website: https://bodenpump.com/

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