The Fairchild 10203 is a model from the Fairchild Model 10 Precision Regulator series, designed for high-performance pneumatic control. Here's a detailed overview:

 Specifications

• Model: 10203 (Fairchild Model 10)
• Type: Pneumatic precision pressure regulator
• Adjustable Output Pressure: 0–20 PSI
• Maximum Supply Pressure: 500 PSI (35 BAR)
• Flow Capacity: 40 SCFM (68 m³/hr) at 100 PSI supply and 20 PSI setpoint
• Connections:
  • Line Port: 3/8" NPT Female
  • Gauge Port: 1/4" NPT Female
• Materials: Nitrile diaphragm on Dacron backing
• Control Sensitivity: 1/8" water column
• Design Feature: Balanced supply valve and aspirator tube for stable pressure under varying flow conditions