Negative Pressure Vacuum Pump -98kpa 5L DC Four Head Diaphragm Pump BD-05T055L

Four-head micro diaphragm vacuum pump BD-05T055L front view

BD-05T055L diaphragm pump dimensional drawing with length and height measurements

Flow rate and vacuum performance curve of BD-05T055L micro diaphragm pump

The BD-05T055L is a compact, four-head gas diaphragm pump driven by a high-efficiency brushless DC motor. It delivers ultra-high vacuum (up to –98 kPa) and stable flow for demanding gas sampling and analytical applications — all in a maintenance-free, oil-free design.

Additional information

Voltage	12/24V
Max Flow	5L/min
Max Vacuum	–98 kPa
Max Pressure	1~1.5Bar
Motor	High-end DC brushless motor
Max Power	11 W
Weight	327g

Overview of BD-05T055L Gas Diaphragm Pump

The BD-05T055L operates by moving a flexible diaphragm through a motor-driven eccentric cam, generating vacuum and pressure without oil contamination. Its four-head design enables higher stability and flow performance.

Equipped with a high-end brushless DC motor, this miniature pump achieves up to –98 kPa vacuum and 5 L/min flow, ideal for gas sampling, VOC monitoring, and lab analysis.

With optimized airflow and dynamic balancing, it ensures low vibration, low power consumption, and long service life in compact, continuous-duty applications.

Key Features of Four-Head Diaphragm Pump

✓ High vacuum capability: Reaches ≥–98 kPa negative pressure
✓ Stable 5 L/min gas flow with low pulsation
✓ Four-head diaphragm design for enhanced suction and flow stability
✓ Brushless DC motor for long life (>10,000 hours) and low EMI
✓ EPDM diaphragm, optional FKM for corrosive gases
✓ Oil-free air path ensures no contamination of sample gases
✓ Compact size and durable PPS housing
✓ Pollution-free, leak-tight sealing system

Technical Data – High Negative Pressure Vacuum Pump

Parameter	Value
Model	BD-05T055L
Voltage Range	12 V / 24 V DC
Max Flow Rate	5 L/min
Max Negative Pressure	≥ –98 kPa
Max Positive Pressure	1 – 1.5 bar
Motor Type	High-end Brushless DC Motor
Max Power Consumption	11 W
IP Rating	IP40
Service Life	> 10,000 hours
Storage Temperature	–40 ℃ to 60 ℃
Operating Temperature	–20 ℃ to 50 ℃
Dimensions	113 × 32 × 76 mm
Weight	327 g

Material Construction – Negative Pressure Diaphragm Pump

Component	Material / Performance
Pump Head	PPS – high-performance engineering thermoplastic
Diaphragm/Valve	EPDM (Optional FKM for chemical resistance)
Pump Body	PPS – durable, heat-resistant, corrosion-resistant
Waterproof Rating	IP40

Applications – Micro Diaphragm Pump

📌 VOC Sampling Systems – Provides oil-free vacuum source with strong suction for VOC and multi-gas analyzers

📌 CEMS (Continuous Emission Monitoring Systems) – Reliable, long-life pump for exhaust gas sampling

📌 Laboratory Gas Analysis Equipment – Stable, pulseless gas extraction for accurate chemical testing

📌 Portable Gas Detection Instruments – Compact vacuum pump solution for handheld or field analyzers

📌Air Quality Sampling – High vacuum capability for accurate, long-term air collection

📌OEM Environmental Monitors – Integrated into devices for environmental monitoring or automation

📌 Medical Suction & Diagnostic Equipment – Provides ultra-high negative pressure (–98 kPa) and stable flow, suitable for medical suction units, respiratory diagnostic devices, and therapeutic rehabilitation systems requiring reliable, contamination-free vacuum sources.

OEM Customization Options

Customization Aspect	Available Options
Diaphragm Material	Standard EPDM / Optional FKM for corrosion
Voltage Options	12 V or 24 V brushless motor
Cable / Connector	Custom cable length, terminal types
Branding & Labels	Custom OEM labeling and private branding
Configuration Options	Single-head, Dual-head, or Four-head designs

✅ Why Choose BODENFLO – Your Trusted OEM Pump Partne

Choosing the right high-flow miniature pump supplier is not just about technical specifications—it’s about securing long-term reliability, engineering expertise, and global OEM support. With BODENFLO, you gain:

Proven Experience – 15+ years focused on diaphragm, piston, compressor, and vacuum pumps, with 300+ standard models and extensive customization cases.
Certified Quality – ISO9001-certified production, CE/RoHS compliance, and 100% performance testing on vacuum, flow, and noise before shipment.
OEM Customization – Flexible solutions including EPDM/FKM/PTFE diaphragms, wiring/connectors, branding, and multi-head designs tailored to your device.
Engineering Support – Fast prototyping, parameter optimization, and technical consultation help shorten your product development cycle.
Global Recognition – Trusted by OEMs in Europe, USA, Korea, and Brazil across medical, environmental, and laboratory industries.
Competitive Value – Delivers equivalent or superior performance to leading EU/US brands while maintaining cost-effectiveness.

Customer Feedback – BD-05T055L Pump

“We needed ultra-high vacuum for our CEMS system. The BD-05T055L easily reached –98 kPa with reliable, continuous operation.”
– System Integrator, Netherlands

“The four-head design really improved stability during lab VOC sampling. Installation was straightforward.”
– Environmental Monitoring Equipment Designer, USA

Installation & Wiring Guide

For quick integration, the BD-05T055L is designed with simple 4-wire connection:

Red wire: Connect to DC power positive (+)
Black wire: Connect to DC power negative (–)
Blue wire: PWM 0-5V, 15-25K. (connected to red wire positive full speed)
Yellow wire: FG, 1Pulse/Cycle, 0 to 5V TTL pulses

Downloads – Datasheet for Micro Pump

[BD-05T055L Specification Download Datasheet (PDF)]

Frequently Asked Questions (FAQ)

Q1: What are the main advantages of the BD-05T055L pump?
It offers ultra-high vacuum (–98 kPa), stable 5 L/min flow, long service life (>10,000 hrs), and a four-head diaphragm design, making it ideal for demanding sampling applications.

Q2: Can the BD-05T055L run continuously?
Yes. The brushless DC motor is designed for 24/7 continuous duty, making it suitable for CEMS, VOC monitoring, and lab gas analyzers.

Q3: Is this an air pump or liquid pump?
It is an air/gas diaphragm pump. It can handle small amounts of moisture but is not designed for direct liquid pumping. For liquid circulation, BODENFLO provides dedicated liquid diaphragm pumps.

Q4: How fast can I get a sample?
Samples are usually ready within 1–3 working days and shipped via DHL/FedEx for global delivery.

Q5: What certifications does BODENFLO provide?
Our pumps meet CE and RoHS standards, and our factory is ISO9001 certified, ensuring compliance with international quality and safety requirements.

Contact Us

Looking for a reliable miniature diaphragm pump supplier for your medical, laboratory, or gas sampling application?
BODENFLO provides samples, datasheets, OEM customization, and dedicated engineering support to help you integrate pumps seamlessly into your project.

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

Our team is ready to support you from prototype development to large-scale OEM production.