
The ESAB 21K70 Throat Mixer No. 30 is a specialized component engineered for the W-200 series of oxy-fuel welding handles. In the realm of industrial gas equipment, the mixer plays a pivotal role in safety and performance. It is the chamber where oxygen and fuel gas—typically acetylene, though others may be used depending on the setup—meet and blend before traveling to the welding tip. The 21K70 is manufactured to strict OEM tolerances, ensuring that this critical ratio is maintained precisely, which is essential for achieving a neutral flame capable of producing high-quality welds.
Constructed from high-grade brass, this throat mixer is designed to withstand the thermal cycling and internal pressures inherent in oxy-fuel processes. The brass material offers excellent corrosion resistance and durability, ensuring a long service life even in demanding workshop environments. For MRO specialists and procurement officers, sourcing genuine ESAB parts like the 21K70 guarantees compatibility with existing W-200 inventories, eliminating the fitment issues often associated with generic aftermarket replacements. This part is identified as "No. 30," indicating its specific flow characteristics and compatibility with corresponding welding heads and tips within the W-200 ecosystem.
Proper maintenance of the mixing assembly is vital for preventing dangerous conditions such as backfires and flashbacks. Over time, carbon buildup or mechanical wear can compromise a mixer's function. Replacing an aging mixer with the ESAB 21K70 restores the torch's internal geometry, ensuring smooth gas flow and reliable operation. This component is easily installed into the torch handle assembly, making it a straightforward repair for qualified technicians maintaining industrial welding outfits.
| Additional Information |
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| Packaging Description:1 Per Ea, pack of 1 |
| Compatible Series:W-200 |
| Part Type:Throat Mixer |
| Material:Brass |
| Gas Service:Fuel Gas, Oxygen |