DESCRIPTION

A pressure reduction regulator is the safest means to reduce cylinder pressure to a workable level for operating equipment and instruments. Single-stage gas pressure regulators reduce cylinder pressure to delivery or outlet pressure in one step. Two-stage gas pressure regulators reduce cylinder pressure in two steps.

Since mechanical characteristics influence the performance of each regulator, the choice depends on requirements. The two most important variables are droop and supply pressure effect. Droop is the difference in delivery pressure between zero flow conditions and the regulator’s maximum flow capacity. Supply pressure effect is the variation in delivery pressure. Supply pressure decreases while the cylinder empties.