FDMH 25

The FLUX FDMH 25 air-operated diaphragm pump is a specialized high-pressure pump designed to provide a 3:1 pressure increase, making it an ideal solution for demanding industrial applications. With an injection-molded construction, self-priming functionality, and dry-run protection, this pump efficiently handles low to high viscosity fluids, including abrasive, highly flammable, and gas-containing media. The FLUX FDMH 25 ensures uninterrupted, high-performance operation with infinitely adjustable flow rates and blockage-free efficiency.

Key Features of FLUX FDMH 25

Self-Priming with Dry-Run Protection

The FLUX FDMH 25 is designed for self-priming operation, allowing it to function from a completely dry start without requiring manual priming. Its dry-run protection prevents damage when running without liquid, making it highly reliable for industries where fluid availability fluctuates.

High-Pressure Performance with Adjustable Flow Rate

With a 3:1 pressure ratio, the FLUX FDMH 25 delivers up to 290 psi of discharge pressure, making it well-suited for applications requiring increased pressure output. The pump allows precise flow control by adjusting air pressure, eliminating the need for bypass control. Its unbalanced air valve design ensures smooth, stall-free operation.

Durable and Maintenance-Friendly Construction

• Oil-free operation ensures contamination-free performance and minimal maintenance.
• Regulating valve design prevents blockages from foreign particles in the air supply.
• Wear-resistant stainless steel construction enhances durability for long service life.
• Fully submersible operation allows usage in demanding industrial environments.
• Service-friendly assembly simplifies maintenance, reducing downtime.

Handles a Wide Range of Fluids

The FLUX FDMH 25 is built to pump various demanding industrial fluids, including:

• Highly flammable liquids – Suitable for hazardous material handling.
• Viscous and abrasive media – Efficiently transfers thick, particle-laden fluids.
• Aggressive and corrosive chemicals – Resistant to chemical wear and corrosion.
• Liquids with high gas content – Maintains stable pumping performance in aerated fluids.

Designed for Industrial and Hazardous Applications

The FLUX FDMH 25 is available in specialized versions for hazardous areas, ensuring compliance with industry safety standards. Whether used in chemical processing, oil & gas, or high-pressure industrial applications, this pump offers unmatched reliability, precision, and efficiency.

Technical Specifications

• Maximum Flow Rate: 22 GPM (85 l/min)¹
• Discharge Pressure: Up to 290 psi
• Suction Lift (Dry): 9 ft¹
• Max Solid Particle Size: 3.2 mm
• Housing Materials: Stainless Steel
• Suitable Media: Flammable, viscous, abrasive, aggressive, and gas-containing fluids

Note: Performance may vary based on pump model, operating pressure, and flow behavior of the medium.

Final Words

The FLUX FDMH 25 air-operated diaphragm pump is a high-pressure, industrial-grade solution designed for applications requiring enhanced discharge pressure and precise flow control. With self-priming capability, dry-run protection, wear-resistant stainless steel construction, and infinitely adjustable operation, it is an ideal choice for hazardous material handling, chemical processing, and high-pressure fluid transfer. The FLUX FDMH 25 guarantees exceptional performance, safety, and long-term reliability.