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Graco 158556 3/4 x 1/2 NPT Hexagonal Pipe Coupling

Graco 158556 3/4" x 1/2" NPT Hexagonal Pipe Coupling connects different pipe sizes securely in Graco fluid systems, ensuring leak-free and durable performance.

  • Used in ExactaBlend AGP Proportioners and Two Pump Hopper Kits
  • High-pressure rated, precision-engineered coupling
  • Genuine Graco OEM part for reliable system compatibility

Retail Price: $63.75
You save: $0.64 (1.00%)
Our Price: $63.11
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Graco 158556 3/4 x 1/2 NPT Hexagonal Pipe Coupling Details

Compatible Machines

The Graco 158556 Hexagonal Pipe Coupling (3/4" x 1/2" NPT) is designed to connect different pipe sizes in fluid-handling and spraying systems. It ensures a tight and secure transition between 3/4" and 1/2" NPT fittings.

  • Graco ExactaBlend AGP Advanced Glazing Proportioner (S100 55/5 Gallon System)
  • Graco Two Pump Hopper Kit – Used in sealant and adhesive systems
  • Other Graco proportioning and dispensing systems requiring a 3/4" to 1/2" NPT connection

Product Description

The Graco 158556 Coupling is a high-quality, hexagonal pipe connector with 3/4" x 1/2" NPT threads. It provides a reliable connection between components with different thread sizes, maintaining system integrity and leak-free operation under pressure.

Product Specifications
Part Number 158556
Thread Type 3/4" x 1/2" NPT (Female)
Material Durable metal (factory-grade finish)
Application Fluid handling, spray systems, pump modules

Features & Benefits

  • Genuine Graco OEM part ensuring proper fit and reliability
  • Hexagonal body for easy tightening and secure installation
  • Compatible with high-pressure applications
  • Prevents leaks and ensures smooth fluid transition between line sizes

Frequently Asked Questions

It connects two pipes or components with 3/4" and 1/2" NPT threads, allowing size transition within Graco fluid systems without leakage.

It is primarily used in Graco ExactaBlend AGP Proportioners and Graco Two Pump Hopper Kits, as well as other Graco systems requiring NPT size transitions.

It may fit standard NPT fittings, but using genuine Graco OEM parts is recommended to ensure pressure compatibility and performance reliability.

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