QTY. 1. RUELCO PR-4 RELAY MODEL 1902

QTY. 1. RUELCO PR-4 RELAY MODEL 1902 WITH ONE K-DYNE INC MODEL P40 PRESSURE SENSOR. THE RUELCO PR-4 RELAY IS A MULTI-PRESSURE CONTROL VALVE FOR PRODUCTION CONTROL AND SAFETY SYSTEMS. IT FUNCTIONS AS A PILOT OPERATED NORMALLY CLOSED BLOCK AND BLEED VALVE. ITS SIMPLE AND COMPACT DESIGN MAKES MAINTENANCE AND REPAIR EASY. THE PR-4 RELAY DOES NOT NEED TO BE REMOVED FROM ITS CONTROL PANEL OR SYSTEM LOOP IF REPAIR OR MAINTENANCE IS NECESSARY. MODEL P40 PRESSURE SENSOR. THE P40 PRESSURE PILOTS FUNCTION AS A THREE WAY BLOCK AND BLEED VALVE WHICH CAN BE CONFIGURED TO RESPOND TO INCREASING AND DECREASING PROCESS PRESSURES. THE PISTON DESIGN HAS THREE SENSING DIAMETERS TO MEET DESIRED PRESSURE RANGES. THE SPRING PRESSURE OPERATES FROM 10-10,000 PSI.