Diaphragm Pumps
GEMO BFQ Large Flow Pneumatic Diaphragm Pump
BFQ large-flow AODD with adjustable ports for chemical and process transfer.
Max flow
2000 L/min
Max pressure
8.4 bar
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
—
Features
- High-flow design, up to 2000 L/min
- Adjustable inlet/outlet orientation
- Strong self-priming
- Handles media with particles or corrosive media
- Wide choice of materials
Specifications
| Series | BFQ |
| Drive | pneumatic |
| Max flow | 2000 L/min |
| Max head | 84 m |
| Max outlet pressure | 8.4 bar |
| Brand | GEMO |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Flow | Pressure | Notes | |
| BFQ-25 | 116 L/min | 8.4 bar | head 84 m; suction lift 5.48 m; DN25; air inlet 1/2"; particles ≤3.2 mm | |
| BFQ-40 | 378.5 L/min | 8.4 bar | head 84 m; suction lift 5.48 m; DN40; air inlet 1/2"; particles ≤4.8 mm | |
| BFQ-50 | 568 L/min | 8.4 bar | head 84 m; suction lift 5.48 m; DN50; air inlet 1/2"; particles ≤6.4 mm | |
| BFQ-80 | 1041 L/min | 8.4 bar | head 84 m; suction lift 2.4–7.6 m; DN80; air inlet 3/4"; particles ≤9.4 mm | |
| BFQ-125 | 2000 L/min | 6.3 bar | head 60 m; suction lift 4 m; DN125; air inlet 1"; particles ≤9.4 mm |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Related / accessories
Pump
GEMO GDC-50P316L Marine Pneumatic Diaphragm Pump
Pump
GEMO GDC-40P316L Marine Pneumatic Diaphragm Pump
Pump
GEMO GDC-40P Marine Pneumatic Diaphragm Pump
Pump
GEMO BQG450/0.2 Mining Pneumatic Diaphragm Pump
Pump
GEMO QBW3-80P Pneumatic Sanitary Diaphragm Pump
Pump
GEMO BQG350/0.2 Mining Pneumatic Diaphragm Pump
Related solutions
Chemical Process Precision Dosing
Reactor feeding, pH neutralization and catalyst injection with hydraulic diaphragm and plunger pumps.
Electroplating Heavy Metal Treatment
Precise dosing of heavy-metal capture agents, pH adjustment and reductants for compliance.
Biopharma Batching Systems
Injectable-grade high-precision batching with sterile design compliant with GMP.
Related case studies
Chemical
Chemical Park Acid/Alkali Neutralization
Corrosion-resistant mechanical diaphragm pumps dosing concentrated acid/alkali with closed-loop pH control — 99% compliance.
Electroplating
Electroplating Cr(VI) Reduction
Sodium bisulfite reduction with ORP interlock keeps Cr(VI) stably below discharge limits.
Pharma
Pharma GMP Batching System
High-precision hygienic batching keeps batch deviation under 0.5%.
Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.