1523AU Fairchild Products Pneumatic Positive Bias Relay

Product Description

Pneumatic Positive Bias Relay; Item Positive Bias Relay; Overall Dimension 4-1/2 Inch Width x 9-23/64 Inch Height; Pipe Size 3/8 Inch BSPT Threaded; Gauge Port Size (2) 1/4 Inch Threaded; Material Aluminum Alloy (Body/Housing); Mounting Hole Size (2) 1/4 Inch-20 TPI x 0.5 Inch Full Threaded; Bias Pressure Range 0 to 10 PSIG; Supply Pressure 250 PSIG (Maximum); Signal/Output Pressure 150 PSIG (Maximum); Supply Pressure Effect 0.1 PSIG; Flow Capacity 150 SCFM at 100 PSIG; Exhaust Capacity 40 SCFM; Sensitivity 1 Inch WC; Ambient Temperature -40 to 200 Deg F; Includes Brass/Zinc Plated Steel Trim, Nitrile on Dacron Diaphragm; Applicable Standard ISO 9001, FM

Control Sensitivity of 1 Inch Water Column Allows Use in Precision Applications; Large Supply and Exhaust Valves Provide High Forward and Exhaust Flows; Soft Supply and Exhaust Valve Seats Minimize Air Consumption; A Balanced Supply Valve Minimizes the Effects of Supply Pressure Variation; An Aspirator Tube Compensates Downstream Pressure Droop Under Flow Conditions; A Separate Control Chamber Isolates the Diaphragm from the Main Flow to Eliminate Hunting and Buzzing; Unit Construction Lets You Service the Model 1500A without Removing it from the Line

The Model 1500 Positive Bias Relay is designed for applications that require an output pressure that is the sum of a controlled input signal plus a fixed bias. This pneumatic relay provides high output flow at an output pressure that represents the input signal pressure plus a preset bias.