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Pneumatic “Chicago” Couplings (Universal Couplings) 

Description:
Chicago couplings, also known as universal couplings, are quick-connect fittings commonly used to connect air hoses to compressed air sources or pneumatic tools. Their distinctive quarter-turn twist-and-lock mechanism allows for fast, tool-free assembly, making them ideal for industrial and construction environments.

Key Features:

• Universal Design: Fits other Chicago-style couplings regardless of manufacturer.

• Connection Mechanism: A two-lug or four-lug system ensures a secure, leak-resistant connection.

• Material: Typically made of plated steel, malleable iron, or brass, depending on the application.

• Safety:

  • Safety clips or locking pins are required to prevent accidental disconnection due to vibration or hose whip.

  • Some couplings include a safety lock notch for clip engagement.

Best Practices:

• Always use safety clips when coupling.

• Inspect gaskets and replace them if worn or damaged to ensure a proper seal.

• Do not exceed pressure ratings or use with steam, which could lead to failure or serious injury.

ORDERING INFORMATION:

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