Hydra-Cell M03BAPGHFEPG Seal-Less Diaphragm Pump
The Hydra-Cell M03BAPGHFEPG is a compact, seal-less diaphragm pump built for jobs where leaks simply aren't an option. Designed as a close-coupled unit for a NEMA 56C motor frame, it delivers up to 1.1 GPM at 1750 RPM using a polypropylene pump head paired with a Viton-XT diaphragm and O-ring, making it a strong fit for corrosive or aggressive chemicals that would quickly wear down a conventional pump.
What sets this pump apart is what it doesn't have: no packing, no cups, and no mechanical dynamic seals that eventually wear out and leak. That means it can run dry without damage and even operate against a closed inlet without harm, giving operators a wide margin for error in real-world conditions. Internally, 17-4 PH stainless steel valve seats and machined valves work alongside Elgiloy valve springs and polypropylene spring retainers, while a 5W30 Hydra-Oil fill supports both standard and cold-temperature severe-duty operation.
For facilities handling slurries, abrasives, or suspended solids, this design translates into fewer replacement parts, less downtime, and lower total cost of ownership over the life of the pump. Because the pumped fluid stays fully contained, it also helps operations meet strict environmental and emissions requirements, with ATEX availability for use in hazardous locations.
Key Features
- Seal-less diaphragm design with no packing, cups, or mechanical dynamic seals
- Runs dry indefinitely without damage
- Safe operation against a closed inlet
- Polypropylene pump head for corrosion resistance
- Viton-XT diaphragm and O-ring for chemical compatibility
- 17-4 PH stainless steel valve seats and machined valves
- Elgiloy valve springs with polypropylene spring retainers
- ATEX availability for hazardous environments
- Fully contained pumped liquid with no emissions
Applications
- Chemical metering and injection
- Handling of corrosive and abrasive fluids
- Slurry and suspended-solids transfer
- Industrial fluid processing requiring leak-free operation
- Hazardous or regulated environments requiring emissions containment
Specifications
- Model / Part Number: M03BAPGHFEPG
- Pump Type: Seal-less diaphragm pump, pump only
- Motor Configuration: Close-coupled, NEMA 56C
- Maximum Flow: 1.1 GPM at 1750 RPM
- Port Size: 3/8 in. NPT (standard M03 series connection)
- Pump Head Material: Polypropylene
- Diaphragm / O-ring Material: Viton-XT
- Valve Seats and Valves: 17-4 PH Stainless Steel (machined)
- Valve Springs: Elgiloy
- Valve Spring Retainers: Polypropylene
- Lubricant: 5W30 Hydra-Oil (standard and cold-temperature severe duty)
Frequently Asked Questions
Q: Can the Hydra-Cell M03BAPGHFEPG run without fluid present?
Yes. Its seal-less design allows it to run dry indefinitely without sustaining damage, which is a key advantage over conventional seal-based pumps.
Q: What motor is required to operate this pump?
This model is a pump-only unit designed for close coupling to a standard NEMA 56C frame motor, eliminating the need for a separate shaft coupling.
Q: Is this pump suitable for corrosive chemicals?
Yes. The polypropylene pump head combined with a Viton-XT diaphragm and O-ring makes it well suited for corrosive, abrasive, and otherwise aggressive fluids.
Q: Does the pump require regular seal replacement?
No. Because it has no mechanical dynamic seals, packing, or cups, there are no seals to wear out or replace, reducing long-term maintenance needs.
Q: Is this pump available for hazardous locations?
Yes. ATEX availability is offered for this pump line, supporting use in classified hazardous environments alongside its fully contained, emissions-free liquid handling.
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