Graco 104691 Plug Cap
Graco 104691 Cap Plug is a durable OEM sealing plug used to protect unused or service ports in Graco fluid-handling and spray systems.
- Prevents contamination and fluid leakage
- Made from durable, chemical-resistant polymer
- Easy to install and remove for maintenance
- Ensures long-term system cleanliness and performance
Graco 104691 Cap Plug – Protective Sealing Accessory
Compatible Machines
- Graco drum-cover assemblies used in high-pressure paint pumping systems
- Graco fluid handling modules where a cap plug is required for unused ports
- Graco mobile finishing rigs requiring protective closures for service or inspection points
- Graco replacement kits for maintenance of fluid transfer and spray equipment
Product Description
The Graco 104691 Cap Plug is a small, durable plug designed for sealing access points or unused openings in fluid equipment. Constructed to OEM standards, it enables reliable protection of ports, helps prevent contamination, and supports long-term maintenance of system integrity.
Key Features
- Protective cap plug design for sealing unused ports or openings.
- Durable polyethylene construction suitable for high-duty environments.
- OEM specified part for Graco systems—ensures fit and function.
- Simple installation — plug into port and secure; no tools required.
- Helps maintain fluid system cleanliness by preventing dust, moisture and foreign ingress.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 104691 |
| Component Type | Cap Plug / Protective Seal |
| Material | Polyethylene (or equivalent durable polymer) |
| Intended Use | Sealing access or unused ports in fluid or spray equipment |
| Service Environment | Industrial finishing, fluid transfer, maintenance kits |
Applications
The Graco 104691 Cap Plug is ideal for use in finishing systems, fluid-handling modules and spray rigs where unused or service ports need to be reliably closed. By sealing these ports, the plug helps maintain fluid pathway integrity, reduce maintenance downtime and protect internal components from contamination.
Performance Advantages
- Prevents ingress of dirt, moisture or debris into unused or service ports.
- Maintains system cleanliness and protects internal components from contamination.
- Simple and low-cost way to maintain sealing integrity without major modifications.
- Contributes to prolonged service life of equipment by reducing risk of port exposure damage.
- Compatible with OEM service programs and easy to replace when worn or damaged.
Maintenance Tips
When performing system maintenance, inspect the cap plug for signs of wear, cracking or chemical damage. Ensure the port into which it fits is clean and free of burrs. Replace the plug if it shows deformation, fails to seat correctly, or if the surrounding panel has been modified. Correct sealing of unused ports preserves system performance and prevents leakage or contamination.
Frequently Asked Questions
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