UNION, 1/4" X 3/8" - Graco Industrial

Part #: 157705

The Graco Industrial Model 157705 High-Pressure Swivel Union is an essential carbon steel fitting engineered for robust and leak-free connections within professional high-pressure fluid handling systems. Designed to adapt between 1/4-inch NPT male and 3/8-inch NPSM female lines, this union ensures reliable performance in demanding industrial and automotive environments.

Key Features

  • Precision Threading: Features a 1/4-inch NPT (male) to 3/8-inch NPSM (female) configuration, providing versatile compatibility for connecting hoses or components with different thread types and sizes.
  • High-Pressure Reliability: Rated for a maximum working pressure of up to 5000 psi (345 bar), ensuring secure and consistent operation in rigorous high-pressure applications.
  • Durable Carbon Steel Construction: Manufactured from robust carbon steel, this union offers exceptional durability and resistance to wear, corrosion, and the demanding conditions of industrial use.
  • Swivel Design: The integrated swivel mechanism facilitates easier installation, alignment, and reduced hose strain, enhancing operational flexibility for technicians.
  • Leak-Resistant Connection: Engineered for a tight, secure seal vital for maintaining system integrity across various fluid and air transfer applications.

Applications

This Graco Industrial union is purpose-built for critical connections in a wide range of professional fluid transfer setups, making it a valuable component for professional technicians and mechanics.

  • Airless Spray Systems: Indispensable for connecting components within airless paint sprayers, airless spray guns, and associated high-pressure hoses.
  • Industrial Fluid Handling: Ideal for use in a wide array of high-pressure fluid, lubrication, and material handling systems in manufacturing, maintenance, and workshop settings.
  • Automotive Service: Suitable for robust connections in automotive air systems, hydraulic lines, and other high-pressure fluid transfer applications requiring reliable performance.

Specifications

  • Manufacturer: Graco Industrial
  • Model Number: 157705
  • Connection Type: 1/4" NPT (Male) x 3/8" NPSM (Female)
  • Material: Carbon Steel
  • Maximum Working Pressure: 5000 psi (345 bar)
Only 1 left in stock - order soon

$18.23

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This product was added to our catalog on Friday 10 July, 2026.

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