Product Overview
The Ingersoll Rand Pressure Gauge (Part Number: ATF21026) is a high-precision pressure measurement instrument designed for Ingersoll Rand rotary screw and reciprocating air compressors. Installed on the air receiver tank, oil-gas separator, or discharge line, it provides clear, real-time pressure monitoring to ensure safe and stable compressor operation.
Manufactured to meet strict OEM quality standards, this pressure gauge features a heavy-duty, vibration-resistant casing and a clear dial display. It serves as a direct-fit replacement for routine maintenance or emergency replacement across industrial air systems.
Key Features & Benefits
High Measurement Accuracy: Precision-calibrated Bourdon tube mechanism delivers stable, precise readings under continuous pressure.
Vibration & Shock Resistant: Rugged industrial housing protects internal mechanisms from machine vibration and pressure pulsations.
100% Direct-Fit OEM Standard: Standardized thread connection ensures quick, leak-free, plug-and-play installation.
Clear & Readable Dial: High-contrast dial face with dual scale markings allows easy visual inspection by operators.
Technical Specifications
Parameter | Specification Details |
Product Name | Pressure Gauge / Air Pressure Indicator |
Part Number | ATF21026 |
Brand Compatibility | Ingersoll Rand Air Compressors |
Application | Air Tank, Oil Separator & Line Pressure Monitoring |
Condition | 100% Genuine Original / Premium OEM Equivalent |
Mounting Type | Threaded Port Fitting (Bottom/Back Connection) |
Packaging | Industrial Protective Box Packaging |
Common Symptoms (When to Replace?)
Stuck or Unresponsive Pointer: Gauge needle is frozen, jerky, or fails to return to zero when depressurized.
Cracked or Fogged Glass: Damaged lens or internal condensation obstructing dial readability.
Air/Oil Leakage from Fitting: Thread damage or casing fracture allowing compressed air to leak from the connection point


