Graco 223365 Packing Set - Aftermarket Replacement | Bedford 20-1726

Replacement packing set for select industrial airless pumps, using leather and polyethylene elements to restore sealing and suction performance. References OEM 223365 and Bedford aftermarket -1726 for dimensional interchange in upper or lower positions.

Aftermarket Precision-Machined Industrial Duty

Why Choose This Packing Set

  • Leather/PE stack balances oil retention and low-friction startup for long service.
  • Designed for upper or lower packings on heavy-duty transfer and spray pumps.
  • Drop-in geometry to the OEM stack for consistent fit and sealing.

Color cue: leather rings ship in natural tan; polyethylene rings in opaque white for quick identification during assembly.

Typical Compatibility

  • Graco GH733 hydraulic sprayers (Hydra-Spray), packing set used upper/lower.
  • Graco 45:1 King pump families for high-pressure circulation and spray.
  • Graco 13:1 Senator supply pumps for proportioning/transfer systems.

Compatibility per Bedford/Graco quick references for 223-365 ↔ 20-1726. Please confirm against your exact pump BOM before ordering.

What This Product Fits

  • Graco GH733 (Hydra-Spray) - packing set for upper or lower assemblies.
  • Graco King 45:1 pump series - packing service set.
  • Graco Senator 13:1 supply pump series - packing service set.

Leather & polyethylene construction confirmed in Bedford/industry listings for the 20-1726 ⇄ 223-365 pairing.

Technical Specifications

Aftermarket Bedford 20-1726
OEM 223365
FitsGH733 (Hydra-Spray); 45:1 King; 13:1 Senator pump families
TypePacking Set (upper or lower)
MaterialLeather packings; polyethylene packings (tan/white)
FunctionSeal piston/sleeve, maintain prime, reduce bypass
PressureUse within the rated working pressure of the host pump family
BrandBedford Precision Parts (Aftermarket)

Model-specific pressure ratings are defined by the pump assembly, not the packing kit.

Installation Notes

  1. Depressurize, flush, and follow lockout/tagout per shop policy.
  2. Disassemble pump section and remove old packings and spacers.
  3. Clean bores and glands; inspect for scoring or corrosion.
  4. Rebuild the stack in the original order/orientation (leather pre-oiled).
  5. Reassemble, set wet-cup level, and test at low pressure before return to service.

Pro tip: Replace check balls/seats together with new packings to stabilize prime after rebuild.

When to Rebuild / Replace

  • Loss of prime or slow feed at normal air/hydraulic settings
  • Material leakage at the wet-cup or lower gland
  • Pressure fluctuation or pulsation under steady demand
  • Hardened, swollen, or abraded packing elements on inspection

Bedford vs OEM Comparison

FeatureBedford Aftermarket (20-1726)OEM (Graco)
Fit & InterfaceMatches OEM stack height and diametersFactory packing set
MaterialsLeather & PolyethyleneLeather & Polyethylene
AvailabilityIf in stock, ships from Bedford Precision Parts in Bedford Hill, New York.Ships via Graco distribution
Service ApproachUpper or lower use as specifiedUpper or lower use as specified

FAQs

This Bedford aftermarket set (20-1726) is referenced against OEM 223365 for size and fit in specified pumps.
It services the packing stack and can be installed in the upper or lower position depending on the model.
Graco GH733 (Hydra-Spray), King 45:1 pump families, and Senator 13:1 systems—verify against your exact BOM.
A leather and polyethylene combination for oil retention and smooth startup.
Pre-oil leather, keep PE clean and dry, and rebuild in the original order with glands torqued per the manual.
If available, orders ship from Bedford Precision Parts in Bedford Hill, NY.