The Stal Cap for the Oil Charging Valve is a precision-fit protective cover that ensures secure sealing and contamination prevention during oil charging operations. Designed for durability and compatibility with Stal compressors, it protects the valve from dust, moisture, and mechanical damage. The cap also prevents oil leakage and maintains internal pressure integrity. Essential for safe servicing and reliable compressor maintenance, it supports efficient lubrication and long-term performance in industrial refrigeration systems.