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The ESAB 48Z40 is a specialized replacement stem designed exclusively for the Prest-O-Lite 401 series acetylene cylinder valve. As a critical internal component of the valve assembly, this stem is responsible for the mechanical actuation of the valve's open and closed states. Manufactured from high-grade brass, it offers excellent resistance to corrosion and mechanical wear, ensuring a long service life even under the rigorous conditions of industrial gas usage.
In the context of gas apparatus maintenance, the integrity of the valve stem is paramount. A worn stem can lead to difficulty in operating the valve, potential leaks around the packing nut, or failure to shut off the gas flow completely. The 48Z40 is engineered to original factory specifications, guaranteeing that the thread pitch, diameter, and seating surface align perfectly with the 401 valve body. This precision is essential for maintaining the leak-tight integrity of the cylinder connection, particularly when dealing with volatile gases like acetylene.
Professional gas equipment repair technicians rely on genuine OEM parts like the 48Z40 to ensure compliance with safety standards. This component is compatible with the standard Prest-O-Lite "B" tank valves (40 cu. ft.) and other cylinders utilizing the 401 model valve. When replacing this stem, it is recommended to also inspect the valve packing and seat to ensure a comprehensive repair.
By utilizing the correct replacement part, facilities can extend the lifecycle of their gas distribution equipment and maintain operational safety. The ESAB 48Z40 represents the standard for quality in acetylene valve maintenance.
| Additional Information |
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| Packaging Description:1 Per Ea, pack of 1 |
| Part Type:Valve Stem |
| Material:Brass |
| Gas Service:Acetylene |
