Description
Multiquip Diaphragm Water Pumps — Slow-Seepage Specialists for Mud, Sludge & Slurry
When a centrifugal or standard trash pump loses prime in thick muck, a Multiquip diaphragm water pump keeps right on pumping. Using a positive-displacement, reciprocating diaphragm, these rugged units move muddy water, bentonite slurry, and semi-solid sludge that would choke most “clean-water” models. They’re affectionately called mud or sludge pumps in the rental world, yet every Multiquip diaphragm water pump is compact enough for pickup transport, quiet enough for urban sites, and tough enough to run day after day with minimal service.
How a Diaphragm Water Pump Beats the Mess
Unlike a high-speed centrifugal water pump that relies on spinning vanes, the rubber diaphragm flexes back and forth inside an oil-bathed gearbox. On the suction stroke it draws liquid and solids (up to 1 ⅝ in.), then pushes that mix through the discharge check valve on the pressure stroke. Because the pumping chamber stays full, the diaphragm water pump will not lose prime when air pockets, slow seepage, or silt enter the hose—situations that stall a conventional dirty water pump.
All share sealed gears, wheel-kit mounting points, and heavy roll cages that let a single crew member drag the diaphragm water pump across riprap or down a trench without damage.
Key Features That Set It Apart
- Solids Champion – Passes stones, clumps, and organics that force a standard dirty water pump offline.
- Low 1,750 RPM Drive – Reduces wear and lets the pump run dry briefly without burning seals—a lifesaver for any job relying on a diaphragm pump overnight.
- Quick-Clean Access – Four bolts release the top plate for diaphragm inspection; seasoned techs can swap it in under ten minutes.
- Integrated Wheel Kit (select models) – Turns a stationary unit into a truly mobile trash pump for large sites.
Perfect Applications
- Utility & Telecom Trenches – Dewater slow-seepage ditches where a centrifugal trash pump constantly airlocks.
- Concrete Slurry Removal – Keep saw-cut slurry pits clear; the diaphragm water pump handles fine solids without grinding impellers.
- Environmental Cleanup – Move sludge from cofferdams or sediment ponds where a typical dirty water pump can’t maintain suction.
- Agricultural Waste Lagoons – Transfer manure and irrigation runoff without clogging or stalling.
Why Choose Multiquip?
- Proven Honda powerplants with Oil-Alert shut-down safeguard your investment.
- Oil-lubricated gears extend life versus dry-running competitive diaphragm pump designs.
- Parts commonality keeps rental yards and contractors stocked with one seal kit that fits the full family.
- Nationwide dealer and parts support mean less downtime, more pumping.
Keep Projects Moving with a Multiquip Diaphragm Water Pump
From municipal vaults to agricultural pits, slow-moving sludge no longer slows the schedule. Add a Multiquip diaphragm water pump to your fleet and replace stalled centrifugal sets with a reliable, debris-handling workhorse. When the next job demands a high-solids diaphragm water pump instead of a delicate dirty water pump, you’ll be ready—confident that Multiquip engineering turns the nastiest water into an easy, profitable task
