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Graco 16H491 Adapter, 1/2 Npt To 1/4 Npt

Genuine Graco **Adapter 1/2 NPT to 1/4 NPT** — threaded pipe adapter for converting 1/2″ NPT to 1/4″ NPT connections.

  • Brand: Graco
  • Type: Pipe Adapter
  • Application: Thread size conversion
  • Fit/Ports: 1/2″ NPT to 1/4″ NPT
  • Material: Metal

$125
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Compatible Machines / Systems

  • Graco fluid and air systems needing a reduction adapter from 1/2″ to 1/4″ NPT
  • OEM replacement where part 16H491 is specified
Manufacturer Graco
Model Number 16H491
Type Pipe Adapter
Center Section Material Metal
Port Size 1/2″ NPT to 1/4″ NPT
Air Inlet N/A
Wetted Material Metal
Compatible Media Air, fluids compatible with system threads

Frequently Asked Questions

It converts a 1/2″ NPT threaded port to a 1/4″ NPT threaded connection for fittings or hoses.

Yes — designed to withstand typical system pressures when installed correctly with proper sealant.

Use thread sealant or Teflon tape on NPT threads to ensure a leak-free connection.

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