0390-0039 - Victor ST900 90-Degree Head Assembly Replacement Kit

Victor 0390-0039 ST900 Head Assembly Repair Kit Overview

The Victor 0390-0039 is a specialized repair kit designed for the maintenance and refurbishment of Victor ST900 series straight cutting torches. This component is the 90-degree head assembly, a critical element of the torch that houses the cutting tip and directs the preheat and cutting oxygen gases. Over time, the head of a cutting torch is subjected to extreme thermal cycling, mechanical stress from tip tightening, and potential damage from molten slag or accidental drops. These factors can lead to stripped threads, warped seating surfaces, or internal obstructions that compromise the safety and efficiency of the equipment.

This OEM replacement kit ensures that the torch can be restored to its original operational specifications. The head assembly is manufactured from high-quality brass, engineered to withstand the rigorous demands of industrial oxy-fuel cutting. It features precision-machined threads that ensure a gas-tight seal with standard Victor cutting tips, preventing hazardous leaks and flashbacks. The 90-degree angle is the industry standard for most manual cutting operations, providing an optimal balance between reach and ergonomics for the operator.

Installing the 0390-0039 head assembly requires disassembly of the existing torch tubes. It is essential that this repair be performed by qualified personnel to ensure that the gas tubes are correctly reseated and sealed. By replacing a damaged head with this genuine Victor part, facilities can significantly extend the lifecycle of their ST900 torches, avoiding the higher capital expenditure of replacing the entire torch body. This component is vital for maintaining the integrity of the gas flow path, ensuring that the preheat flames remain stable and the cutting stream remains centered and powerful.

In industrial MRO (Maintenance, Repair, and Operations) contexts, stocking critical spares like the 0390-0039 allows for immediate remediation of torch failures, minimizing downtime in fabrication shops, scrap yards, and construction sites. The kit provides the exact geometry and material properties required for safe oxy-fuel combustion, adhering to Victor's stringent manufacturing standards.