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Cast iron liquid-operated jet pump, compact rectangular body with threaded ports

Dayton

Dayton 5NAN3 Liquid Operated Cast Iron Jet Pump

SKU CH-DA90-N904S

Liquid-operated cast-iron jet pump with 3/4 in. NPT inlet and 1-1/4 in. NPT suction/discharge, rated from -40 to 230 degrees F

  • Maintenance-free operation reduces downtime with liquid-powered design
  • Cast iron construction withstands -40 to 230 °F operating range
  • 3/4 inch NPT inlet enables straightforward plumbing connections
  • 1-1/4 inch NPT suction and discharge supports versatile installations
  • Compact 9 inch length fits tight industrial spaces

Product identity

The Dayton 5NAN3 is a liquid-operated jet pump built from cast iron for industrial plumbing systems. It connects through a 3/4 inch NPT inlet and a 1-1/4 inch NPT suction and discharge port. The unit measures nine inches in length with a compact profile suited to tight installations. It serves maintenance teams and plant operators who need a pump without moving seals or external power.

Temperature range

The pump body is rated for continuous exposure from minus 40 to 230 degrees Fahrenheit. Cast iron construction resists thermal cycling without warping or cracking. No motor or electrical components are present, so heat generation and noise are limited to fluid flow through the jet assembly. Power draw is zero because the pump is driven entirely by the motive liquid.

Liquid operation requirement

This pump only functions when a pressurised motive fluid is available at the inlet. Systems without a compatible liquid supply cannot use this model. Buyers who need an electrically driven or self-priming pump should select a different product type. The single deciding specification is the liquid-operated principle itself.

Highlights

  • Maintenance-free operation reduces downtime with liquid-powered design
  • Cast iron construction withstands -40 to 230 °F operating range
  • 3/4 inch NPT inlet enables straightforward plumbing connections
  • 1-1/4 inch NPT suction and discharge supports versatile installations
  • Compact 9 inch length fits tight industrial spaces

Specifications

BrandDAYTON

Questions about this item

How do I install the 3/4 inch NPT inlet and 1-1/4 inch NPT suction/discharge connections correctly?

Thread the fittings into the cast iron ports using pipe sealant rated for -40 to 230 degrees F, then torque to the manufacturer's specification to prevent leaks under liquid pressure.

What maintenance will the cast iron jet pump require over its service life?

The unit is described as maintenance-free; no scheduled lubrication or seal replacement is specified, though periodic inspection of the NPT threads for corrosion is advisable.

What is the first operating limit reached during continuous use?

The temperature ceiling of 230 degrees F is the primary sustained-use limit; exceeding it risks damage to the cast iron body and internal components.

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