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Dayton 4JMW9 centrifugal pump in 304 stainless steel housing

Dayton

Dayton 4JMW9 Centrifugal Pump 3/4 hp 58 gpm 304 Stainless Steel

SKU CH-0W90-GEZTE MPN 4JMW9

Centrifugal pump delivers up to 58 gpm at 62 ft head with 3/4 hp motor and 304 stainless steel housing

  • TypeDrain Components
  • Delivers up to 58 gpm for high-volume transfer
  • 304 stainless steel housing and impeller resist corrosion
  • 3/4 hp single-phase motor provides reliable power
  • 62 ft maximum head handles elevated discharge
  • 46 gpm at 10 ft head maintains strong flow under pressure

Single-phase 304 stainless centrifugal pump

This single-phase centrifugal pump is built from 304 stainless steel and rated at three-quarter horsepower. It moves liquid through a one-and-a-quarter-inch NPT intake and a three-quarter-inch NPT discharge. The closed impeller is also 304 stainless steel.

Clean-water transfer up to 58 gpm

The pump suits installers who need corrosion-resistant construction for clean or mildly viscous fluids up to 31 SUS and 200 degrees Fahrenheit. It will not suit systems that require higher shut-off pressure than 150 psi or flow beyond 58 gpm at open discharge.

62-foot maximum head at 46 gpm at 10 feet

At 10 feet of head the pump delivers up to 46 gallons per minute, while its absolute shut-off head reaches 62 feet. That single curve point determines whether the unit can overcome the static lift and friction loss in your piping.

Highlights

  • Delivers up to 58 gpm for high-volume transfer
  • 304 stainless steel housing and impeller resist corrosion
  • 3/4 hp single-phase motor provides reliable power
  • 62 ft maximum head handles elevated discharge
  • 46 gpm at 10 ft head maintains strong flow under pressure

Specifications

TypeDrain Components
BrandDayton
Model4JMW9

Questions about this item

Will the 1 1/4 in NPT intake and 3/4 in NPT discharge connect to my existing steel piping?

Both ports use NPT threads so they match standard steel fittings; use thread sealant rated for 200 Degrees F and 150 psi to prevent leaks.

How do I confirm the pump delivers the rated 58 gpm after installation?

Measure flow at the discharge; at 10 ft of head you should see roughly 46 gpm and the curve rises to 58 gpm at lower head.

Does the box include gaskets or flange kits for the NPT connections?

The pump ships with the 304 Stainless Steel housing and closed impeller only; pipe fittings, gaskets and sealant are purchased separately.

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