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Graco 15M666 Fitting Elbow 3/4 Male/Female NPT

The Graco 15M666 Fitting, Elbow ¾″ Male FML NPT is a precision fluid‑system elbow fitting for connecting hoses or tubing at a 90° angle in spray or coating machines.

  • ¾″ male FML NPT elbow fitting
  • OEM fluid‑system connection part
  • Provides secure angled routing for hoses/tubes
  • Ideal for tight‑space fluid system layouts

$126.56
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Graco 15M666 Fitting, Elbow ¾″ Male FML NPT

Compatible Machines

  • Graco fluid‑handling and spray machines with ¾″ male NPT connections requiring elbow fittings
  • Systems where hose routing requires a 90° angle for efficient layout

Key Features

Feature Description
¾″ Male NPT Thread Standard thread size ensures correct connection to system components.
90° Elbow Shape Facilitates tight‑space routing of hoses or fluid lines.
OEM Quality Manufactured to original Graco specifications for compatibility.
Durable Construction Resists vibration, corrosion and fluid system loads.

Installation & Usage Tips

  • Ensure hose or tube ends are clean and free from burrs before connection.
  • Use appropriate NPT sealant or thread tape as indicated by machine manufacturer.
  • Hand‑tighten then wrench finish ensuring no over‑tightening that could distort threads.
  • After installation, check for any leaks at the elbow junction under low and full pressure.

Frequently Asked Questions

If the threads and body show no wear or damage, it may be reused; however, for best reliability, replacement is recommended when servicing.

Use a thread‑sealant or PTFE tape compatible with the fluid and system conditions; confirm with manufacturer guidelines.

While a 90° elbow may introduce slightly more resistance than a straight fitting, the effect on flow is typically negligible in correctly sized systems.

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