A(n) _____ is used to connect several cylinders to one supply pipe, which then distributes gas to several workstations.

A manifold is a crucial component in gas welding and cutting operations, designed specifically to connect multiple gas cylinders to a single supply pipe. This setup allows for efficient gas distribution to several workstations, ensuring that each workstation can access the required gas simultaneously.

In a typical welding environment, several operations may occur at once, necessitating a consistent and reliable gas supply. The manifold serves this purpose by acting as a central hub that can handle the output from various cylinders and distribute the gas evenly. This is particularly useful in settings where multiple welders work in close proximity, as it minimizes the need for individual cylinders at each station.

Other components mentioned, such as cylinder regulators and distributor valves, have important functions but are not designed specifically for the same purpose as a manifold. Cylinder regulators control the pressure of the gas flowing from an individual cylinder, while distributor valves manage the flow from the manifold to specific workstations. Check valves are used to prevent backflow in piping systems rather than for distributing gas to multiple points of use. Thus, the manifold stands out for its unique role in facilitating the distribution of gases in a multi-workstation setup.