Graco 189723 Seat Ball

The Graco 189723 Seat Ball is a precision‑engineered sealing ball that ensures proper fluid control and prevents leakage within pump valve assemblies.

OEM seat ball replacement
Provides reliable valve sealing
Durable construction for long service life
Perfect fit for original Graco pump assemblies

$65.35

Based on 0 reviews

Description

Graco 189723 Seat Ball for Pump Valve Sealing

✔ Compatible Machines

Graco diaphragm pumps requiring seat ball check valves
Fluid handling systems where this seat ball is specified
Various Graco industrial and maintenance pump models

Overview

The Graco 189723 Seat Ball serves as a sealing element inside a pump’s check valve or seat assembly to regulate fluid direction and prevent backflow. Constructed from durable materials such as stainless steel or engineered polymers, it offers a long service life and precise fit for consistent pump performance. :contentReference[oaicite:0]{index=0}

Key Features

Part Number	189723
Component Type	Seat ball
Material	Durable stainless steel or engineering polymer
Application	Valve sealing in pump assemblies

Installation & Usage Tips

Always depressurize and isolate the pump before service.
Inspect mating surfaces for damage prior to installation.
Use original Graco parts to maintain OEM performance.
Replace the seat ball if leakages or valve sticking are observed. :contentReference[oaicite:1]{index=1}

Frequently Asked Questions

It acts as a sealing and check element inside the pump valve to ensure fluid flows in the correct direction.

Yes — Graco OEM seat balls are designed to withstand the pressures typical of diaphragm and fluid handling pumps. :contentReference[oaicite:2]{index=2}

Replace it when you notice reduced sealing, leakage, or uneven pump cycling.

It fits Graco models that specify part number 189723, but always verify fitment with your specific pump manual.

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