Graco 115781 Hex Pipe Cap

Compatible Uses for Graco 115781 Hex Pipe Cap

The Graco 115781 Hex Pipe Cap is a factory-specified cap/plug designed to seal unused or open threaded ports in spray, pump, or fluid/air-handling systems — preventing leaks, contamination, or accidental ingress when a line or fitting is removed.

• Graco spray rigs, pumps, or manifold assemblies where 115781 is specified as “Cap, Pipe, Hex” for unused ports. :contentReference[oaicite:3]{index=3}
• During maintenance or system shutdown — to safely seal open ports after removing hose, valve, or fitting.
• When configuring or modifying fluid/air systems, to temporarily or permanently cap off lines that are not needed, ensuring a leak-proof seal and system integrity.

Frequently Asked Questions