We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small black rubber O-ring seal on light background

Flint & Walling

Flint & Walling 131925 Buna N O-Ring trap

SKU CH-BMEM-Y44R6 MPN 131925

Buna-N O-ring gasket fits Flint & Walling booster pumps and matches Grainger part numbers including 1P879, 22W709 and 2P019

  • TypeDrain Components
  • Buna N material resists oil and water degradation
  • Fits Flint & Walling booster pump assemblies
  • Replaces Grainger part numbers across multiple series
  • Seals drain components to prevent leaks
  • New condition ensures reliable out-of-box performance

O-Ring for Booster Pump Systems

This Buna N O-ring serves as a replacement gasket for Flint & Walling booster pumps. It matches the original equipment specification for pump maintenance and repair. The part is identified by model number 131925 and suits plumbing professionals and facility maintenance teams.

Sealing Performance in Fluid Service

The Buna N material resists water and common pump lubricants across typical operating temperatures. It maintains a reliable seal under normal system pressure without hardening or cracking. No special tools or lubricants are required for standard installation.

Direct Fit for Listed Pump Models

This gasket fits the Grainger part numbers and Flint & Walling pump series shown in the compatibility list including PB0508A031, PB0512A051, PB0516A071, PB0516A073, PB0712A071, PB0712A073, PB1014A101, PB1014A103, PB1016A151, PB1016A153, PB2711A201, PB2711A203, PB2714A301, PB2714A303, PB3506A201, PB3506A203, PB3508A301, PB3508A303, 1P879, 22W709, 22W710 to 22W726, 2P019, 2P280, 2P372, 2P423, 2P424, 2PC32 to 2PC41, 4YC07, and 4YC08. It is not suited for pumps outside these series or for applications requiring Viton, EPDM, or PTFE sealing materials.

Highlights

  • Buna N material resists oil and water degradation
  • Fits Flint & Walling booster pump assemblies
  • Replaces Grainger part numbers across multiple series
  • Seals drain components to prevent leaks
  • New condition ensures reliable out-of-box performance

Specifications

TypeDrain Components
BrandFlint & Walling
Model131925

Questions about this item

How do I install the Buna N O-ring on a Flint & Walling booster pump, and what step is often missed?

Seat the O-ring evenly in the pump housing groove, then tighten the flange bolts in a cross pattern; the step often missed is lubricating the Buna N material with compatible grease before assembly to prevent pinching.

When will this O-ring need replacement in a booster pump system?

Replace the Buna N O-ring whenever the pump is disassembled for seal or impeller service, or at each scheduled overhaul interval, because the material takes a permanent compression set after thermal cycling.

What limit appears first on this O-ring during continuous booster pump operation?

The Buna N compound reaches its temperature ceiling first; sustained heat above its rating hardens the elastomer and causes leakage before chemical wear becomes an issue.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.