Graco 189745 Ball Seat

The Graco 189745 Seat Ball provides precise sealing in pump valve assemblies to prevent backflow and maintain fluid control.

OEM seat ball component
Provides reliable valve sealing
Durable and corrosion‑resistant
Fits various diaphragm pump valves

$93.53

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Description

Graco 189745 Seat Ball for Check Valve Sealing

✔ Compatible Machines

Graco diaphragm pump models using this valve ball

Overview

The Graco 189745 Seat Ball is used in pump check valves to maintain one‑way fluid flow and prevent backflow. Its robust construction ensures long service life. :contentReference[oaicite:2]{index=2}

Key Features

Part Number	189745
Component Type	Seat ball
Material	Corrosion‑resistant metal
Application	Check valves in diaphragm pumps

Installation & Usage Tips

Ensure the ball is seated correctly to prevent leaks.
Clean valve seats to avoid debris that causes sticking.
Replace if it no longer seats perfectly or leaks.

Frequently Asked Questions

It acts as a sealing element in check valves to prevent backflow.

Yes, designed to handle typical diaphragm pump pressures.

Keep valve seats clean and inspect regularly for wear.

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