A modified single-stage reducing valve is similar to a single-stage reducing valve with the exception of:

Question

Quizplus · Accepted Answer

The poppet closing spring is the main difference between a modified single-stage reducing valve and a regular single-stage reducing valve. This spring helps to control the pressure and ensure better accuracy in the valve's output pressure. The other options listed (higher pressures, larger outlet, larger inlet) are not necessarily unique to a modified single-stage reducing valve and could be features of other types of valves as well.

A Modified Single-Stage Reducing Valve Is Similar to a Single-Stage