In terms of door function, what is true about the number of hangers on single-speed, horizontal sliding doors?

In the context of door function for single-speed, horizontal sliding doors, the norm is typically to utilize two hangers. This configuration offers stability and balance, allowing the door to slide smoothly along its track without significant wobbling or misalignment. Each hanger can support a portion of the door's weight, reducing the strain on any single point and ensuring even distribution. This setup helps facilitate reliable operation and enhances the lifespan of the door system by minimizing wear and tear.

While there are designs that may incorporate one or three hangers, two hangers are generally preferred for their effectiveness in maintaining door function and strength for standard installations. This knowledge is crucial in understanding how to select or assess door systems in elevator installations, ensuring safety and efficiency in operation.