Ariel A-21239-K Auto Relief Valve 3000 PSI Green

The Ariel A-21239-K Auto Relief Valve (3000 PSI) is designed to automatically relieve excess pressure in lubrication systems, protecting critical compressor components while keeping operations stable and uninterrupted.

Key Features

• Automatic Pressure Relief (3000 PSI)
  Opens instantly when pressure exceeds safe limits, preventing system damage.
• Auto-Reset Functionality
  Unlike rupture discs, this valve resets after activation—no replacement needed after every event.
• Designed for Lubrication Systems
  Specifically used in force-feed lubrication systems in Ariel compressors to manage overpressure safely.
• Prevents Unplanned Shutdowns
  Reduces nuisance trips by managing intermittent pressure spikes efficiently.

Specifications

• Product Name: Auto Relief Valve
• Part Number: A-21239-K
• Brand: Ariel
• Pressure Rating: 3000 PSI
• Type: Automatic relief valve (auto-reset)
• Color: Green
• Function: Overpressure protection and pressure regulation
• Application:
  • Compressor lubrication systems
  • Force-feed pump systems
• Operation:
  • Opens under excess pressure
  • Recirculates lubricant back to system inlet
• Compatibility: Ariel compressor systems (e.g., JGA4 models)
• Installation: OEM replacement / direct fit
• Weight (approx.): ~0.6 kg