Description Specifications Literature Description The PR-5 Series pressure regulator is designed for service at high flows with good sensitivity and regulation. While the design was originated for gas systems, this valve is perfectly suitable for liquid systems that are compatible with the materials of construction. The PR-5 also performs well with just a few liters per minute of flow.This series is a variation of the time proven PR-1 Series which has been used for many applications in systems requiring stainless steel construction. The exact package size of the PR-1 has been retained making it convenient for the user to interchange these units if better control at high flow rates is required. Features and Specifications High flow capability in compact size Minimum droop with large flow increases Bubble-tight shutoff Stainless steel cap & adjusting screw Materials of construction: Stainless Steel, Brass, Monel, Hastelloy C, Brass Chrome Plated 20 micron inlet filter Operating temperatures up to +400° F (+204° C) Ideal for line regulator applications PTFE/Viton diaphragm standard up to 50 PSIG Inlet pressure 300 PSIG Adjustable outlet ranges 0-10, 0-25, 0-50, 0-100, & 0-250 PSIG Cv flow coefficient 0.20 Options Panel Mount (requires 1 ⅜" mounting hole) Extra Ports Pressure gauges Captured vents State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Body MaterialBrass, Stainless Steel DiaphragmPort ConfigurationCProcess Port Type¼" FNPT (¼" FNPT gauge ports)Surface Finish of Diaphragm Cavity< 25 Ra, StandardSeat MaterialViton (Standard)Flow Coefficient (Cv)0.2Outlet Range0-10 PSIGDiaphragm TypeStandard DiaphragmDiaphragm Facing/Backing MaterialPTFE/VitonCap AssemblyStandard, Stainless Steel Literature & Docs Accessories