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Graco 166999 Street Elbow Fitting

The Graco 166999 Street Elbow is a high-pressure 90° fitting used to connect 1/2" NPT(M) to 1/4" NPT(F) lines in industrial spray systems. Ideal for tight fluid routing and heavy-duty applications.

  • 500 bar / 7250 psi rating
  • 1/2" NPT male to 1/4" NPT female
  • Durable high-pressure construction

$601.46
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Graco 166999 Street Elbow Fitting – High-Pressure 90° NPT Connector

Compatible Machines

  • Graco high-pressure spray systems rated up to 500 bar (7250 psi)
  • Graco industrial and protective-coating sprayers using 1/2" NPT(M) to 1/4" NPT(F) street-elbow fittings
  • Graco XTR / XHF high-pressure gun and hose setups
  • Graco plural-component coating equipment with 1/2" → 1/4" NPT fluid connections

The Graco 166999 Street Elbow Fitting is a heavy-duty 90° connector designed for industrial use in high-pressure spraying systems. It features a 1/2" NPT male connection on one end and a 1/4" NPT female connection on the other, making it ideal for tight-angle fluid routing in heavy-coating applications. Built to withstand 500 bar (7250 psi), this fitting ensures durability and reliable performance in demanding environments.

Key Specifications
Part Number 166999
Type Street Elbow – 90°
Thread Size 1/2" NPT(M) × 1/4" NPT(F)
Pressure Rating 500 bar / 7250 psi
Application High-pressure industrial fluid systems

Frequently Asked Questions

This fitting creates a 90° angled connection between a 1/2" male NPT line and a 1/4" female NPT branch, allowing efficient routing of high-pressure coating materials in tight installation areas.

It is compatible only with systems that use 1/2" NPT(M) to 1/4" NPT(F) fittings and operate within a 500 bar pressure range. Always verify your model’s parts diagram to ensure correct matching.

It is typically found in high-pressure hose assemblies, gun connections, pump manifolds, and fluid management paths within industrial coating equipment.

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