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Graco 15T272 3/8" Quick Release Coupler 3/8-18 NPT SST

The **Graco 15T272 Coupler** provides quick-release ⅜″ fluid connection with a ⅜″-18 NPT thread for fast, secure hose changes.

  • ⅜″ QR to ⅜″-18 NPT
  • Stainless-steel body
  • High-pressure rated
  • Designed for rapid connect/disconnect

$84.35
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Graco 15T272 Coupler – ⅜″ QR × ⅜″-18 NPT Stainless Steel Quick-Release

Compatible Machines

  • Graco spray rigs using ⅜″ quick-release fluid lines
  • Contractor sprayers with NPT-threaded fluid ports
  • Modular systems requiring fast disconnection and robust stainless connections

The **Graco 15T272 Coupler** bridges quick-release fluid hoses and NPT-threaded ports using a durable stainless-steel body. It enables fast, secure line changes under high-pressure conditions without compromising on strength.

Key Features

Part Number 15T272
Connection 1 ⅜″ Quick-Release (QR)
Connection 2 ⅜″-18 NPT Thread
Material Stainless steel (SST)
Use Case High-pressure fluid hose hook-up / disconnect

Installation & Usage Tips

  • Depressurize fluid lines before making or breaking the quick-release connection.
  • Lubricate the QR seal lightly if needed to ease coupling.
  • Ensure the NPT thread is clean and use a compatible thread sealant when attaching.
  • After connecting, pull lightly to validate the QR engagement.
  • Inspect for wear or corrosion periodically, especially on the QR mechanism.

Frequently Asked Questions

It allows fast and tool-free connection and disconnection of fluid hoses, which saves time and reduces downtime.

Yes — the stainless-steel body and compatible seal materials help the part resist corrosion from a variety of coatings.

Yes – it’s built to be reused. Inspect the seal and QR mechanism during maintenance and replace worn components as necessary.

When properly connected and with a good seal, leakage on disconnect is minimized. Always depressurize before disconnecting.

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