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Graco 158581 Hexagonal Coupling

Graco 158581 Hexagonal Coupling is a high-pressure connector designed to securely join 1/2" NPT threaded components in Graco fluid systems.

  • Used in airless sprayers and industrial coating systems
  • Handles up to 7,250 PSI
  • Genuine Graco OEM part ensuring leak-free performance

Retail Price: $100.5
You save: $1.75 (1.74%)
Our Price: $98.75
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Graco 158581 Hexagonal Coupling – Specifications and Compatibility

Compatible Machines

The Graco 158581 Hexagonal Coupling is designed for high-pressure fluid systems and connects components with precise NPT threading for leak-free performance.

  • Graco High-Pressure Airless Sprayers
  • Graco Industrial Coating Systems
  • Graco Sealant and Adhesive Dispensers
  • Other Graco machines using 1/2" NPT high-pressure couplings

Product Description

The Graco 158581 Coupling is a durable, hex-shaped connector designed for use in high-pressure airless spray and fluid-handling systems. Its robust design provides a secure fit between threaded components, minimizing leakage and improving operational reliability.

Product Specifications
Part Number 158581
Type Hexagonal Coupling
Thread Size 1/2" NPT (F) x 1/2" NPT (F)
Pressure Rating Up to 7,250 PSI (approx.)
Material High-strength stainless steel
Application Airless spray, pump discharge, and hose connection systems

Key Features

  • Genuine Graco OEM part for guaranteed compatibility
  • Hexagonal design allows easy tightening and installation
  • Provides leak-proof connection for fluid systems
  • Built to handle high-pressure applications

Frequently Asked Questions

It connects two 1/2" NPT threaded components securely, ensuring a tight and reliable joint in high-pressure Graco systems.

It is commonly used in Graco airless sprayers, industrial coating units, and fluid transfer systems that require 1/2" NPT connections.

While it may fit other 1/2" NPT systems, using authentic Graco parts ensures correct pressure rating and reliability within Graco systems.

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