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0365803016 - ESAB Red Quick Connector 6.3mm for Water Return

Packaging: pack of 1
$63.80/EA $38.50/pack of 1 only $38.50/EASave 40%

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OVERVIEW

Reliable Connection for Water-Cooled Welding Systems

The ESAB Quick Coupling Red 6.3mm (Part Number: 0365803016) is a critical component designed for the maintenance and assembly of water-cooled welding setups. Engineered by ESAB, a global leader in welding and cutting equipment, this quick coupling ensures a secure and efficient interface between welding power sources, cooling units, and water-cooled torches (both MIG and TIG). The coupling features a standard 6.3mm size, making it compatible with a wide range of ESAB's industrial equipment hoses.

In complex industrial environments, proper identification of fluid lines is paramount for safety and equipment longevity. This coupling is color-coded Red, which, in accordance with standard ESAB coding for water-cooling systems, typically designates the water return (warm water) line. This visual cue helps technicians and operators avoid cross-connection errors during setup or maintenance, preventing potential overheating or damage to the torch and cooling unit. The coupling mechanism is designed for rapid engagement and disengagement, facilitating quick torch changes without the need for specialized tools, thereby reducing downtime.

Constructed from high-quality materials, the ESAB 0365803016 offers excellent resistance to the wear and tear associated with welding environments, including exposure to heat, spatter, and mechanical stress. Its internal seals are formulated to prevent leaks, ensuring that the cooling fluid circulates efficiently to maintain optimal operating temperatures for the welding gun. This part is an essential spare for facilities utilizing ESAB water coolers, ensuring that production lines remain operational and welding quality is maintained through consistent equipment cooling.

Technical Specifications

This component is precision-manufactured to meet ESAB's rigorous OEM standards. It fits standard 6.3mm hose barbs or corresponding male nipples found on ESAB equipment. The quick-action sleeve allows for single-handed operation in many cases, snapping securely into place to form a pressure-tight seal. Whether you are repairing a damaged line or configuring a new welding station, using genuine ESAB couplings guarantees fitment and performance reliability.

Additional Information
Packaging Description:pack of 1
Item:Quick Coupling
Size:6.3mm
Color:Red
Connection Type:Quick Connect
Application:Water Cooling Systems, Water Return
Material:Brass, Plastic
Compatibility:ESAB Water Coolers, MIG Guns, TIG Torches
----- new values below ----
Connection Type:Quick Connect
Application:Water Cooling Systems, Water Return
Material:Brass, Plastic
Compatibility:ESAB Water Coolers, TIG Torches, MIG Guns
Brand:ESAB
Item:Quick Coupling
Size:6.3mm
Color:Red

INCLUDED

  • 1 x ESAB Quick Coupling Red 6.3mm

APPLICATIONS

  • Connecting water return lines on ESAB water coolers
  • Water-cooled TIG torch setups
  • Water-cooled MIG gun setups
  • Industrial welding station maintenance
  • Replacement of damaged or leaking hose connectors

FAQ

In ESAB water-cooling systems, the red color typically indicates the water return line (warm water flowing back to the cooler), while blue indicates the water supply (cool water).

This quick coupling is designed for 6.3mm (approximately 1/4 inch) connections, which is a standard size for many ESAB cooling hoses.

The ESAB 0365803016 is typically the female socket side of the quick coupling assembly, often mounted on the machine or hose end to accept the male nipple.

While quick couplings exist for gas, this specific red coupling is color-coded for water cooling systems. Using it for gas could lead to dangerous cross-connections. Always use the correct color-coded fittings for gas (often yellow or black depending on the standard).

It is designed specifically for ESAB equipment. While 6.3mm is a common size, the specific locking profile may not be compatible with other brands like Miller or Lincoln without an adapter.

Installation usually involves inserting the hose barb into the hose and securing it with a hose clamp or crimp ferrule to ensure a leak-proof seal.

No, this SKU (0365803016) typically refers to the single coupling unit. The mating connector must be purchased separately if needed.

Leaks can occur if the internal O-ring is damaged, dirt has entered the mechanism, or the connection is not fully seated. Replacing the coupling is often the most reliable fix.