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QBY & BFQ Series Pneumatic Diaphragm Pump: Leak-Free for Hazardous Environments

As third-generation fluid handling solutions, the pneumatic diaphragm pump (QBY3 and BFQ series) uses compressed air as its power source, where reciprocating diaphragm deformation drives volume changes for reliable liquid transfer across industrial settings.

  • model
    QBY/BFQ Series
  • brandLABEKS
  • min. order1 pcs
  • packageplywood case package

description

A positive displacement pump powered by compressed air, the pneumatic diaphragm pump adjusts its volume through reciprocating diaphragm deformation. Boasting six key benefits—including robust build quality, extended service life, low noise emission, minimal vibration, failure-free operation, and precision craftsmanship—it can transfer both free-flowing liquids and hard-to-move media. This unit integrates the core advantages of multiple conveying devices, such as centrifugal pumps, mud pumps, and trash pumps.

features

Non-electrical operation ensures safe, reliable performance in flammable and explosive work environments.

Equipped with no rotating components or shaft seals, the pump’s diaphragm fully isolates the pumped medium from internal moving parts, eliminating external leaks. This design prevents environmental contamination and personal harm when handling toxic, volatile, or corrosive media.

Head and flow rate can be infinitely adjusted via valve opening adjustments.

Capable of transferring both free-flowing liquids and non-flowable media, this pump integrates the key benefits of various conveying equipment, including self-priming pumps, submersible pumps, canned pumps, mud pumps, and trash pumps.

Offers six core advantages: robust quality, extended service life, low noise levels, precision craftsmanship, minimal vibration, and failure-free operation.

specifications

Model

Maximumflow (L/min)

Maximumlift (m)

Maximumsuction lift (m)

Outletpressure (kg)

Caliber(DN)

Inletport (in)

ParticleDiameter (mm)

AirConsumption (scfm)

QBY4-10

22

70

4

7

10

1/4

1.5

6.3

QBY4-15

22

70

4

7

15

1/4

1.5

6.3

QBY3-20

57

70

4.5

7

20

1/4

2.5

12.7

QBY3-25

57

70

4.5

7

25

1/4

2.5

12.7

QBY3-32

151

84

5.48

8.4

32

1/2

3.2

23.66

QBY3-40

151

84

5.48

8.4

40

1/2

3.2

23.66

QBY3-50

378.5

84

5.48

8.4

50

1/2

4.8

32

QBY3-65

378.5

84

5.48

8.4

65

1/2

4.8

32

QBY3-80

568

84

5.48

8.4

80

1/2

6.4

45

QBY3-100

568

84

5.48

8.4

100

1/2

6.4

45

QBY3-125

1041

84

7.6

8.4

125

3/4

10

82.6

BFQ-25

116

84

5.48

8.4

25

1/2

3.2

23.66

BFQ-40

378.5

84

5.48

8.4

40

1/2

4.8

32

BFQ-50

568

84

5.48

8.4

50

1/2

6.4

45

BFQ-80

1041

84

7.6

8.4

80

3/4

9.4

82.6

why choose us

  • Premium Quality with CE & ISO

    We conduct 100% performance testing on every unit, ensuring its stable operation and superior performance in your application.

  • 24/7 Expert Technical Support

    Our senior engineers are on standby 24/7, ready to provide expert solutions at any time to minimize your operational downtime.

  • 20+ Years R&D & Production

    Our deep technical expertise is your solid guarantee for professional and reliable OEM/ODM services.

  • Trusted in 80+ Countries

    Industry leaders and research institutions in over 80 countries and regions rely on our equipment for stable operation.

  • True Manufacturer, Factory-Direct Price

    Bypass the middlemen to get our factory pricing and speak directly with our core engineers.

  • Rapid & Reliable Delivery

    Our extensive in-stock inventory provides a solid guarantee for rapid and reliable global delivery.

Our Factory

Our factory is powered by a professional and dedicated team. Their commitment to a serious and responsible approach ensures the consistency and reliability of every instrument we build. Our R&D team is composed of experienced engineers specializing in design, technology, and process control.
Our R&D team is composed of experienced engineers specializing in design, technology, and process control. Our strict Quality Control System governs the entire process—from initial design and testing to final production and inspection.

20 Years

Laboratory Solution

58 Experts

In Research & Design

20000 m²

Industrial Plant

7X24 Hours

Expert Support
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