0762-0003 - Victor SR 250 Series Replacement Valve Spring

Technical Overview of the Victor 0762-0003 Valve Spring

The Victor 0762-0003 Valve Spring is a critical internal component engineered specifically for the Victor SR 250 Series regulators. In the context of gas pressure regulation, the valve spring plays a pivotal role in the force-balance mechanism that governs the movement of the valve seat against the nozzle. As the diaphragm senses downstream pressure changes, it acts against the main adjusting spring and the valve spring to modulate gas flow. The 0762-0003 is designed with precise spring rate and load characteristics to ensure the valve closes positively when downstream demand ceases, effectively preventing 'creep'—a condition where outlet pressure rises uncommanded during static flow conditions.

Manufactured from high-tensile, fatigue-resistant alloy steel, this spring is built to withstand the repetitive cycling inherent in industrial gas regulation. Over time, thermal cycles and continuous compression can lead to spring relaxation or set, compromising the dynamic response of the regulator. Replacing the valve spring during a standard overhaul or rebuild is a standard maintenance procedure recommended to restore the regulator to its original factory performance specifications. Using non-OEM springs with incorrect tension can lead to unstable delivery pressures, oscillation (humming), or inability to maintain set pressure.

This component is strictly compatible with the SR 250 Series, a medium-duty regulator line commonly employed in oxy-fuel cutting, heating, and welding applications. Industrial MRO professionals and certified regulator repair technicians rely on genuine Victor parts like the 0762-0003 to ensure compliance with safety standards and to maintain the integrity of the gas control equipment. Failure of the valve mechanism due to a compromised spring can lead to safety hazards, including diaphragm rupture or relief valve activation; therefore, timely replacement with the correct SKU is essential for operational safety.

When servicing Victor equipment, adherence to the manufacturer's exploded view diagrams and part lists is crucial. The 0762-0003 fits precisely into the valve assembly, requiring no modification. It is supplied as a single unit, ready for installation into the high-pressure or low-pressure side of the regulator depending on the specific sub-assembly configuration of the SR 250 model variant.