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99W30 - ESAB 99W30 Replacement O-Ring .801 ID x .070 CS (Pack of 5)

Packaging: pack of 5
$5.98/EA $19.60/pack of 5 only $3.92/EASave 34%

Usually ships within 3-5 business days

SKU: ESB99W30 Categories: ,

OVERVIEW

Precision Sealing for TIG Applications

The ESAB 99W30 O-Ring is a critical replacement component designed to maintain the integrity of your welding torch assembly. Manufactured to precise tolerances, this O-ring features an internal diameter (ID) of 0.801 inches and a cross-section (CS) thickness of 0.070 inches. These dimensions are specific to select ESAB, L-Tec, and Linde Heliarc TIG torches, ensuring a perfect fit that generic O-rings often fail to provide.

Constructed from high-quality elastomeric material, the 99W30 is engineered to withstand the thermal cycling and environmental conditions typical of industrial welding. It serves as a vital seal within the torch body or connection points, preventing the escape of shielding gas or the intrusion of atmospheric air. Maintaining the correct pressure and flow of inert gas is essential for high-quality TIG welding, and a compromised O-ring is a frequent point of failure in older equipment.

This product is supplied as a pack of 5, allowing workshops and maintenance technicians to keep spare parts on hand for immediate repair. Regular inspection and replacement of these seals are recommended as part of a preventative maintenance schedule to avoid downtime and ensure consistent weld parameters.

Additional Information
Packaging Description:5 PER EA
Brand:ESAB
Product Type:O-Ring
Inner Diameter:0.801"
Cross Section:0.070"
Compatibility:ESAB / L-Tec / Linde TIG Torches

INCLUDED

  • 5 x O-Rings (Part # 99W30)

APPLICATIONS

  • Sealing TIG torch bodies and components
  • Preventing shielding gas leakage
  • Maintenance of ESAB, L-Tec, and Linde Heliarc torches
  • General welding equipment repair

FAQ

The O-ring has an Internal Diameter (ID) of 0.801 inches and a Cross-Section (CS) or thickness of 0.070 inches.

This product comes as a bag of 5 O-rings.

It is designed for specific ESAB, L-Tec, and Linde Heliarc TIG torches. Please consult your torch's parts breakdown to confirm the part number 99W30 is required.

Worn O-rings cause gas leaks which lead to poor shielding coverage, weld porosity, and wasted gas. In water-cooled torches, they prevent coolant leaks.

Yes, this is a genuine ESAB replacement part, ensuring correct material composition and fitment.

While dimensions might seem similar, welding O-rings are often made of specific heat-resistant materials. Using generic rubber may lead to premature failure or melting.

Locations vary by model, but it is often found sealing the torch body, back cap, or gas lens assembly.