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Graco 121077 Fitting, 37 Deg Flare X Orb

The Graco 121077 Fitting, 37 Deg Flare X ORB is a precision metal fluid fitting designed for high‑pressure hydraulic and lubrication systems.

  • 37° flare connection for secure metal sealing
  • ORB (O‑Ring Boss) seal for leak‑resistant performance
  • Ideal for hydraulic and fluid delivery systems
  • Durable metal construction for long service life
  • Works with many Graco automatic lubrication systems

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Compatible Machines & Overview — Graco 121077 Fitting, 37 Deg Flare X ORB

The Graco 121077 Fitting, 37 Deg Flare X ORB is a robust metal fluid fitting designed for secure, high‑pressure fluid connections using a 37° flare and ORB interface.

🔧 Compatible Machines & Systems

  • Hydraulic fluid delivery systems with 37° flare + ORB connections
  • Graco automatic lubrication and grease systems
  • High‑pressure fluid transfer rigs and hydraulic assemblies
  • Industrial spray pumps and accessory fittings
  • OEM hydraulic manifolds requiring ORB fittings

📌 Product Details

Product Name Graco 121077 Fitting, 37 Deg Flare X ORB
Manufacturer Part Number (MPN) 121077
Thread Type 37° Flare and O‑Ring Boss (ORB)
Typical Use High‑pressure fluid/hydraulic connections
Material Metal (high‑strength fitting)

📦 Why Choose This Fitting?

This fitting provides a reliable seal and strong thread engagement, ideal for systems that use a 37° flare design and ORB interface for high‑pressure fluid delivery without leaks.

🛠️ Installation Notes

  • Use appropriate thread sealant or tape on mating threads.
  • Ensure clean mating surfaces before assembly to prevent leaks.
  • Tighten with recommended torque for proper sealing.

🔍 Frequently Asked Questions

It means one connection end is a 37° flare fitting and the other end is an O‑Ring Boss (ORB) style fitting — designed for strong, leak‑resistant fluid connections.

It fits most systems that accept 37° flare + ORB fittings, including many Graco fluid/hydraulic assemblies — check machine specs to confirm thread compatibility.

Yes — this is a genuine Graco fitting designed for OEM service or maintenance use.

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