

The Graco 128689 2" NPT x 3/4" Knockout Plug securely closes large 2" ports while allowing optional 3/4" connections for future system expansion.
The Graco 128689 2" NPT x 3/4" Knockout Plug provides a secure closure for large ports while allowing future adaptability with the 3/4" knock-out feature. Below are machines that use this plug:
The Graco 128689 Knockout Plug features a 2" NPT threaded body with an internal 3/4" NPT knock-out, enabling optional connection points. It is designed for high-pressure fluid systems and provides both secure sealing and future adaptability in Graco equipment.
| Feature | Description |
|---|---|
| Port Size | 2" NPT |
| Knockout Size | 3/4" NPT |
| Material | Durable, corrosion-resistant metal |
| Function | Closes large ports securely while allowing future 3/4" connection |
| Application | Fluid handling, pump assemblies, and coating systems |
Thread the plug into the 2" NPT port to close it securely. The internal 3/4" knockout can be removed if an additional connection is needed. Regular inspection for wear and tightness ensures optimal performance in industrial systems.
Subscribe to our newsletter to get exclusive discounts and new theme launches right in your inbox.
You may unsubscribe at any moment. For that purpose, please find our contact info in the legal notice.