A-4000-120 Johnson Controls Indicator
$175.40
The Johnson Controls A-4000-120 is a calibrated oil indicator equipped with a needle valve, designed to detect aerosol-mist levels of oil entrainment in compressed air systems. It helps monitor air purity to prevent proactive oil carryover from impacting system performance.
Overview
The Johnson Controls A-4000-120 is a calibrated oil indicator equipped with a needle valve, designed to detect aerosol-mist levels of oil entrainment in compressed air systems. It helps monitor air purity to prevent proactive oil carryover from impacting system performance.
Features
- Visual oil status checks via a color-changing calibrated plastic tube with red oil-soluble dye
- Integrated needle valve for convenient oil flow control and service isolation
- Durable brass construction engineered for long-term reliability in compact mechanical spaces
- Accompanied by a conversion chart to determine exact oil concentration values
Specifications
- Line Pressure Range: 10 to 125 PSIG (70 to 875 kPa)
- Measuring Flow Rate: Less than 2 SCIM/PSIG (0.08 mL/s/kPa)
- Maximum Operating Temperature: 120°F (52°C)
- Connection Size: 1/8 inch NPT
- Length: 4.5 inches
- Minimum Sensitivity: 0.01 PPM (0.012 mg/m³)
Applications
- Monitoring oil carryover at compressor discharge tanks in industrial environments
- Checking filtered air supply quality before connection to pressure reducing valves
- Routine compressed air treatment and maintenance in commercial pneumatic HVAC systems
| Weight | 3 lbs |
|---|---|
| Dimensions | 7 × 6 × 2 in |
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