Skip to Main Content

638797 - ESAB Replacement O-Ring Kit (Pack of 5)

Packaging: pack of 5
$11.26/EA $40.55/pack of 5 only $8.11/EASave 28%

Usually ships within 3-5 business days

OVERVIEW

Maintain System Integrity with Genuine ESAB Seals

In the precision world of industrial welding and cutting, the integrity of your equipment's pneumatic and gas delivery systems is paramount. The ESAB 638797 O-Ring (5/Bag) is a critical maintenance component designed to restore and maintain the airtight seals necessary for optimal performance. These O-rings are engineered specifically for ESAB equipment, ensuring that tolerances are met exactly to prevent the escape of shielding gases or the intrusion of atmospheric contaminants.

O-rings may seem like minor components, but their failure can lead to significant operational issues. A compromised seal can result in pressure drops, inconsistent gas flow, and ultimately, weld defects such as porosity or oxidation. By utilizing genuine ESAB replacement parts, you are ensuring that the material composition of the seal is compatible with the gases and temperatures typical of welding environments. These O-rings are manufactured from high-quality elastomers that resist drying, cracking, and deformation under stress, providing a longer service life compared to generic alternatives.

Technical Reliability and Safety

Safety in the workshop often hinges on the condition of the smallest parts. Leaking gas connections not only waste expensive consumables but can also create hazardous environments. The ESAB 638797 O-rings are designed to provide a secure, leak-proof fit in their designated applications, whether in torch assemblies, regulators, or machine internal connections. Regular inspection and replacement of these seals are best practices for any preventive maintenance program.

This package contains five O-rings, allowing maintenance teams to replace multiple seals during a service interval or to keep a stock of critical spares on hand. By adhering to OEM specifications with the ESAB 638797, you ensure that your equipment continues to operate within its designed parameters, safeguarding both the machinery and the quality of the output.

Additional Information
Packaging Description:pack of 5
Product Type:O-Ring
Pack Quantity:5
Material:Elastomer
----- new values below ----
Product Type:O-Ring
Pack Quantity:5
Material:Elastomer
Packaging Description:pack-of-5
Brand:ESAB

INCLUDED

  • 5 x Replacement O-Rings

APPLICATIONS

  • Replacement of worn seals in ESAB welding torches
  • Maintenance of gas regulators and flowmeters
  • Repair of internal gas lines in welding power sources
  • Sealing connections in plasma cutting equipment
  • General preventative maintenance for gas delivery systems

FAQ

This O-ring is a genuine ESAB part designed for specific ESAB welding and cutting equipment. Please refer to your equipment's parts manual or exploded view diagram to confirm compatibility with your specific model.

The package contains 5 individual O-rings.

They are manufactured from industrial-grade elastomer designed to resist the specific environmental conditions of welding applications, including exposure to shielding gases.

OEM O-rings like the ESAB 638797 are manufactured to precise dimensional tolerances and material specifications to ensure a perfect seal and chemical compatibility, which generic parts may not guarantee.

Signs of a bad O-ring include audible gas leaks, visible cracking or flattening of the ring, or issues with weld quality such as porosity due to poor gas coverage.

It is generally recommended to use a small amount of compatible O-ring lubricant to prevent damage during installation and ensure a proper seat, but always check your equipment manual for specific instructions.

Yes, a damaged O-ring can allow air to be sucked into the gas stream (venturi effect) or allow shielding gas to escape, both of which can lead to weld porosity and oxidation.

Store them in their original packaging in a cool, dry place away from direct sunlight and ozone sources (like electric motors) to prevent the rubber from degrading before use.