Graco 189659 Check Valve Seat

The Graco 189659 Seat Check Valve provides reliable one-way fluid control in pump systems, preventing backflow.

OEM check valve
Ensures one-way fluid flow
Durable and corrosion-resistant
Fits Graco Twistork and diaphragm pumps

Retail Price: $66.25

You save: $0.66 (1.00%)

Our Price: $65.59

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Description

Graco 189659 Seat Check Valve for Pumps

✔ Compatible Machines

Graco Twistork pump models
Graco diaphragm pumps (1590, 2150)

Overview

The Graco 189659 Seat Check Valve prevents reverse fluid flow, ensuring consistent performance and protecting pump components from backflow damage.

Key Features

Part Number	189659
Component Type	Seat check valve
Material	High-grade metal and elastomer
Application	Twistork & diaphragm pumps

Installation & Usage Tips

Ensure proper orientation for correct fluid flow.
Inspect periodically for wear or leaks.
Replace if the valve fails to seal completely.

Frequently Asked Questions

It allows fluid to flow in one direction and prevents backflow.

Yes, made from high-grade metal and elastomer for long service life.

Yes, as long as the flow direction is correctly followed.

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