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White PVC hand drum pump with piston and discharge hose

Dayton

Dayton 3BY44 Drain Trap, Hand Drum Pump, Piston, PVC, 5/8In OD

SKU CH-Z4AP-M3ZM8 MPN 3BY44

Hand-operated piston pump made of PVC with Viton seals for drums, buckets and pails

  • TypeDrain Components
  • Self-priming piston action starts flow instantly
  • Viton piston resists chlorines and degreasers
  • Light-weight PVC body eases bucket and drum use
  • Polypropylene bung adapter fits multiple containers
  • Includes discharge hose for direct dispensing

Hand-Operated Drum Pump for Chemical Transfer

The Dayton 3BY44 is a self-priming piston pump built for dispensing liquids from buckets, drums and pails. Its PVC body and Viton piston resist chlorines, degreasers, floor cleaners and glass cleaners. A polypropylene bung adapter is included for secure container fitment. The unit ships without a nozzle.

Suitable for Light-Duty Chemical Dispensing

Maintenance staff and facility managers handling the listed cleaning agents will find the pump adequate. It is not metered, so users who require measured volumes per stroke should look elsewhere. Buyers needing a pump for fluids outside the specified chemical group or for high-volume transfer should consider other options.

Self-Priming Piston Mechanism Decides Fit

The pump primes itself without external assistance, reducing setup time for intermittent use. If the application demands a metered dose or a different seal material than the supplied NBR packing, this model will not meet the requirement. The self-priming action is the key specification to verify against the intended workflow.

Highlights

  • Self-priming piston action starts flow instantly
  • Viton piston resists chlorines and degreasers
  • Light-weight PVC body eases bucket and drum use
  • Polypropylene bung adapter fits multiple containers
  • Includes discharge hose for direct dispensing

Specifications

TypeDrain Components
BrandDayton
Model3BY44

Questions about this item

How do I install the 3BY44 hand drum pump on a drum and what step is often missed?

Screw the included polypropylene bung adapter into the drum opening, insert the pump tube through it and tighten; the step often missed is seating the Viton piston packing against the adapter so the pump self-primes correctly.

What maintenance or replacement will the 3BY44 need later?

The NBR packing seals and Viton piston wear with chlorines, degreasers and floor cleaners; replace both when suction drops or fluid bypasses the piston.

What limit appears first during sustained use of the 3BY44?

Operator fatigue from repeated piston strokes limits continuous output before the pump itself overheats or fails.

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