Fairchild 10283J is a precision pneumatic pressure regulator belonging to the Fairchild Model 10 product family.

The regulator uses a mechanically balanced supply valve and diaphragm-based control mechanism to maintain a stable downstream pressure.

Its separate control chamber and flow-compensating design help minimize pressure variations caused by changing supply and flow conditions.

The 10283J configuration includes fluorocarbon elastomer seals, commonly identified as Viton, for applications requiring compatible sealing materials.

Technical Specifications:

• Manufacturer: Fairchild Industrial Products

• Product Family: Model 10

• Model: 10283J

• Product Type: Pneumatic Precision Regulator

• Pressure Adjustment Range: 5–300 psig (approximately 0.35–21 bar)

• Maximum Supply Pressure: 500 psig (35 bar)

• Inlet/Outlet Port Size: 3/8″ NPT

• Pressure Gauge Ports: 1/4″ NPT

• Body and Housing Material: Aluminum

• Elastomer Material: Fluorocarbon Elastomers (Viton)

• Internal Trim Materials: Brass and zinc-plated steel

• Product-Family Flow Capacity: 40 SCFM (68 m³/h) at 100 psig supply and 20 psig setpoint

• Product-Family Exhaust Capacity: 5.5 SCFM (9.35 m³/h) under specified test conditions

• Sensitivity: 1/8″ Water Column (0.31 mbar)

• Supply Pressure Effect: Less than 0.1 psig per 100 psig supply pressure change

• Ambient Temperature: −40°C to +93.3°C

• Adjustment Mechanism: Standard Manual Knob

• Exhaust Configuration: Standard Relieving Type

• Mounting: Optional Mounting Bracket

• Optional Mounting Brackets: 09921 / 14523

Technical Notes:

The stated flow and exhaust capacities are measured under specific test conditions and should not be treated as constant performance values across the full operating range.

The supply pressure effect specification is not an absolute accuracy guarantee of ±0.1 psi over the complete adjustment range.

Seal material compatibility must be checked against the actual process medium.

This regulator is not a pressure safety relief valve and must not replace dedicated overpressure protection equipment.