Air compressor safety valve 1/4 x 1/4 inch MILTON 1098-4 automatically vents excess pressure to protect your pneumatic equipment and ensure safe operation.
The air compressor safety valve 1/4 x 1/4 inch MILTON 1098-4 is a critical safety device for pneumatic systems, designed to automatically release air when system pressure exceeds safe limits. This valve plays a vital role in preventing overpressure-related accidents, equipment failure, and system damage in compressors and air tanks.
Manufactured with precision-machined brass, the MILTON 1098-4 offers excellent durability and corrosion resistance, making it ideal for both industrial and commercial environments. It features a 1/4 inch NPT male inlet and a 1/4 inch NPT threaded exhaust port for easy integration with standard pneumatic configurations.
MILTON valves are factory preset and tested for consistent performance and reliability. The 1098-4 model typically operates in air systems with designated release pressures, ensuring that your system is protected even during pressure spikes or regulator failure.
Brand: MILTON
Model: 1098-4
Type: Air compressor safety valve
Inlet size: 1/4 inch NPT male
Outlet/exhaust: 1/4 inch NPT
Material: Solid brass body
Pressure range: Factory preset (commonly 150 PSI – confirm before use)
Application: Pneumatic pressure relief
Reset type: Automatic
Thread standard: NPT – National Pipe Thread
Operating temperature: 0°F to 250°F
Portable and stationary air compressors
Air receiver tanks
Pneumatic tools and lines
Shop air systems
Safety compliance in industrial facilities
Preventive pressure management
Prevents overpressure in air systems
Protects equipment from burst or damage
Ensures compliance with safety standards
Durable brass body resists corrosion
Automatic reset after release
Easy to install with standard threads
Reliable MILTON performance
Brand: MILTON
Model number: 1098-4
Inlet: 1/4″ NPT male
Exhaust: 1/4″ NPT
Preset pressure: Typically 150 PSI (verify if custom)
Material: Brass
Reset type: Automatic
Temperature range: 0°F to 250°F
Usage: Air compressor pressure relief
Do not tamper with the preset value. Always install vertically with airflow direction matching the body indication. Confirm pressure rating before use.
| Weight | 0.22 kg | 
|---|---|
| Dimensions | 1.75 × 0.75 × 0.75 cm | 

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