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Stainless steel hand drum pump with spout and bung adapter

Dayton

Dayton 3BY48 Hand Drum Pump Stainless Steel 3/4 inch OD

SKU CH-WSFB-7CWZ5 MPN 3BY48

A self-priming hand pump in stainless steel with PTFE piston and packing gland seal, resistant to solvents and photographic chemicals, fits buckets.

  • Product typeDrain Components
  • Self-priming design starts flow instantly without external priming
  • PTFE piston and packing gland seal resist solvents and photographic chemicals
  • Includes bung adapter for secure fit on buckets drums and pails
  • Spout included for controlled dispensing directly from the pump
  • Repairable construction extends service life and reduces replacement cost

Pump construction and chemical resistance

The Dayton 3BY48 is a hand-operated drum pump built with a stainless-steel body and PTFE piston. A polypropylene bung adapter and packing-gland seal provide broad chemical compatibility. It is designed for buckets, drums and pails and includes a spout for direct dispensing.

Self-priming action during continuous use

The pump primes itself on the first strokes and maintains flow without external assistance. Because it is manually actuated, output stays proportional to operator speed and does not decline from motor heat or battery drain. The repairable design allows seal and piston replacement to restore original performance.

Manual operation limits and safety notice

Flow rate and total volume per session are limited by the user’s stamina and container size. The unit is not metered, so precise dosing requires external measurement. California Proposition 65 warnings apply for chemicals known to cause cancer and reproductive harm.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $107.99
Pricier than about 79% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameDayton
Model name3BY48
Product typeDrain Components

Questions about this item

Does the PTFE piston and packing-gland seal generate heat or noise during continuous hand operation?

The pump is entirely hand-operated with no motor, so it produces no mechanical noise and no heat beyond the user's effort; the PTFE piston and packing-gland seal are designed for chemical resistance rather than thermal load.

What container fittings must I already have to mount this pump on a drum or pail?

The pump includes a polypropylene bung adapter that fits standard drum openings; you only need a drum, bucket or pail with a compatible bung hole to secure the adapter and start pumping.

Will the 3/4-inch OD spout connect to older discharge hoses I already own?

The pump comes with a 3/4-inch OD spout but no discharge hose; existing hoses with a matching 3/4-inch inner diameter can be slipped onto the spout for immediate use.

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