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950731 - ESAB 12.3mm Single Ear Hose Clamp with Insert Ring

Packaging: pack of 5
$9.40/EA $28.35/pack of 5 only $5.67/EASave 40%

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SKU: ESB950731 Categories: ,

OVERVIEW

Precision Gas Line Security with ESAB 1-Ear Clamps

The ESAB 950731 1-Ear Clamp with Insert (12.3mm) is a critical component for maintaining the integrity and safety of welding gas delivery systems. In industrial environments, the reliability of hose connections is paramount, not only for the quality of the weld but for the safety of the operator. This specialized clamp is engineered to provide a permanent, tamper-proof seal on hoses with an outer diameter of approximately 12.3mm. Unlike traditional worm-gear clamps that can loosen over time due to vibration or thermal cycling, the ear clamp design utilizes mechanical deformation to create a constant tension seal that remains secure under the rigors of daily shop use.

A standout feature of this specific SKU is the inclusion of an insert ring. Standard ear clamps can sometimes pinch or cut into soft rubber hoses during the crimping process, potentially creating micro-leaks or weak points in the line. The insert bridges the gap at the ear, ensuring a full 360-degree compression that distributes force evenly. This is particularly important for welding applications involving shielding gases like Argon, CO2, or Helium, as well as oxy-fuel setups, where even minor leaks can lead to porosity in welds or hazardous gas accumulation. The insert acts as a protective buffer, guaranteeing that the hose material remains intact while achieving a hermetic seal.

Designed for professional maintenance, repair, and operations (MRO), this clamp is an essential stock item for any welding workshop. It is compatible with a variety of standard welding hoses used in MIG, TIG, and Plasma cutting equipment. Installation is straightforward but requires the use of proper pincers to crimp the 'ear' of the clamp. Once crimped, the connection is permanent, providing a visual indicator that the line has been serviced and secured according to safety standards. Whether you are repairing a damaged torch lead or setting up a new gas manifold system, the ESAB 950731 offers the industrial-grade reliability required for high-performance welding environments.

Key Technical Benefits:

  • Leak Prevention: The 360-degree seal prevents gas loss, saving money on consumables and ensuring consistent weld quality.
  • Hose Protection: The insert ring prevents the metal band from cutting into the hose jacket.
  • Vibration Resistance: Once crimped, the clamp will not back off or loosen, unlike screw-type clamps.
  • Compact Profile: The low-profile design reduces the risk of the clamp snagging on other cables or equipment during operation.
Additional Information
Packaging Description:pack of 5
Product Type:Hose Clamp
Clamp Style:1-Ear with Insert
Size:12.3 mm
Material:Steel
Application:Gas Hose Repair, Welding Hose Connection
----- new values below ----
Material:Steel
Application:Gas Hose Repair, Welding Hose Connection
Installation Method:Crimp / Pincer
Brand:ESAB
Product Type:Hose Clamp
Clamp Style:1-Ear with Insert
Size:12.3 mm

INCLUDED

  • 1 x 1-Ear Clamp with Insert (12.3mm)

APPLICATIONS

  • Securing shielding gas hoses for MIG and TIG welders
  • Repairing oxy-fuel twin hoses
  • Attaching hoses to regulators and flowmeters
  • Custom gas manifold construction
  • Water cooler line connections for TIG torches

FAQ

You need a pair of pincers or ear clamp pliers. Slide the clamp over the hose and fitting, then squeeze the 'ear' (the raised U-shaped section) firmly until it is compressed. This tightens the band around the hose.

The insert ring bridges the gap under the ear of the clamp. It ensures a full 360-degree seal and prevents the metal band from pinching or cutting into soft hose materials during compression.

No, ear clamps are designed for single use. To remove them, you typically have to cut the ear or pry the band apart, which destroys the clamp. You will need a new one for re-installation.

It is designed for hoses with an outer diameter (OD) close to 12.3mm. It is important to measure the OD of your hose while it is pushed onto the fitting to ensure the correct fit.

These clamps are generally suitable for low-to-medium pressure applications typical of welding gas and water lines. For extremely high-pressure hydraulic applications, different clamping methods are usually recommended.

While you might manage with standard dull end-nippers, it is highly recommended to use proper ear clamp pincers. They ensure the ear is crimped squarely and fully without damaging the top of the ear.

Most ESAB clamps are made from zinc-plated or stainless steel to resist corrosion, making them suitable for typical shop environments.

Ear clamps provide a more uniform seal, are less likely to loosen from vibration, have a lower profile that doesn't snag, and are tamper-evident.