When working with an oxyacetylene regulator, which type of wrench is recommended?

When working with an oxyacetylene regulator, the recommended type of wrench is a fixed wide jaw wrench, as it provides a stable grip and is designed to securely fasten and unfasten fittings without slipping. The wide jaw allows for better weight distribution on the surface, which minimizes the risk of damaging the fittings or damaging the regulator components themselves.

Using a fixed wide jaw wrench helps ensure that the connections are tight without applying excessive torque, which could lead to damage or leaks, ensuring safety while working with high-pressure gases. The even grip of a fixed wide jaw wrench contributes to a safer work environment, minimizing the chance of accidents that can occur with less stable tools.

Other types of wrenches, while they may have their uses, do not offer the same level of security or appropriateness for this specific application. An open-end wrench may not provide sufficient contact surface, and an adjustable wrench can sometimes slip or cause rounding of the fittings, while a socket wrench might not fit the shapes or sizes of the fittings in use with oxyacetylene regulators.