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FloJet N5100020G double diaphragm pump with barbed connections

FloJet

FloJet N5100020G Double Diaphragm Pump 2.5 gpm

SKU CH-HV2T-00356 MPN N5100020G

Air-operated double-diaphragm pump with Viton seals delivers 2.5 gpm flow through 3/8-inch barbed ports

  • TypeDrain Components
  • MaterialHAWA
  • Air-driven operation eliminates electrical hazards
  • 5 gpm flow rate supports steady transfer
  • Viton diaphragms resist aggressive chemicals
  • Acetal body withstands corrosion and wear
  • Barbed ports simplify hose connections

Pump for Chemical Transfer

The FloJet N5100020G is an air-operated double diaphragm pump built for moving fluids in plumbing and industrial settings. Its Viton diaphragms and FKM check seats resist aggressive chemicals that would damage standard elastomers. The acetal body adds structural rigidity while keeping the unit lightweight. This pump suits installers and maintenance teams who need reliable, self-priming transfer without electric motors.

Air-Driven Simplicity

Compressed air enters through a 1/4-inch barbed intake to drive the diaphragms, eliminating electrical wiring and explosion-proof enclosures. Both the 3/8-inch intake and discharge ports use barbed fittings for quick hose attachment in tight spaces. A single-port manifold keeps the flow path short and reduces potential leak points. The bottom discharge orientation helps gravity clear the chamber between cycles.

Upgrade from Single Diaphragm Units

Teams replacing worn single-diaphragm pumps gain smoother flow and longer seal life from the balanced dual-diaphragm action. The jump is worth it when the media attacks Buna or EPDM, since Viton handles a wider range of solvents and oils. Operations that cannot tolerate electrical equipment in wet or hazardous areas will also benefit from the all-pneumatic drive. Buyers who need flow rates above 2.5 gpm or flange-mounted connections should look elsewhere.

Highlights

  • Air-driven operation eliminates electrical hazards
  • 5 gpm flow rate supports steady transfer
  • Viton diaphragms resist aggressive chemicals
  • Acetal body withstands corrosion and wear
  • Barbed ports simplify hose connections

Specifications

TypeDrain Components
MaterialHAWA
BrandFlojet
ModelN5100020G

Questions about this item

How long can the FloJet N5100020G run continuously at 2.5 gpm before the Viton diaphragms need inspection?

The Viton diaphragm material resists chemical attack and wear during extended duty cycles at the rated 2.5 gpm flow, so routine inspection intervals depend on the media being pumped rather than a fixed hourly limit.

Does the air-operated FloJet N5100020G generate noticeable heat or noise when running all day?

Because the pump is air operated with no electric motor, it produces minimal heat and low mechanical noise during continuous operation, making it suitable for all-day use in noise-sensitive areas.

What air supply fittings must I already have to connect the 1/4 in barbed air intake on the FloJet N5100020G?

You need a compressed-air line fitted with a 1/4 in barbed connector and a regulated air source; the pump’s single-port manifold and 3/8 in barbed fluid ports also require matching hose barbs for the media connections.

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