American REGO Pressure Reducing Valve, Regulator Technical Data and Installation & Operation Manual, Regulator Working Principle

Used for precise primary pressure regulation in two-stage pressure reduction systems, reducing tank pressure to a medium-pressure level of 5-10 PSIG. Also suitable for regulating supply to high-pressure combustion applications such as furnaces and boilers, as well as for assembling multi-functional cylinders.

Materials: Body—Cast Zinc; Cap—Cast Zinc; Nozzle—Brass; Spring—Stainless Steel; Seat—Elastomeric Rubber; Diaphragm—Reinforced Fabric Synthetic Rubber

Main models of the American RegO LV4403 include: LV4403SR4 and LV4403TR4;

Both inlet and outlet sizes are: 1/2" F.NPT, and the orifice size is: 1/4". The only difference is the outlet pressure! LV4403SR4 is 1-5 PSIG; LV4403TR4 is 5-10 PSIG