Graco 128689 2" NPT x 3/4" Knockout Plug
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.
- Durable, corrosion-resistant construction
- Ideal for hopper feed pumps and industrial coating systems
- Knock-out feature allows flexible future connections
Compatible Machines for Graco 128689 Knockout Plug
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:
- Graco Hopper Feed Pump Assemblies
- Graco Industrial Coating Systems with 2" NPT ports
- Graco Large Fluid Handling Equipment
- OEM Graco Systems requiring 2" port plugs
Product Overview
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 |
Installation & Maintenance
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.
Frequently Asked Questions
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