A Medium Pressure 1/2″ Screw Compressor Thermostatic Valve Kit is a precision‑engineered service and replacement kit used in oil‑injected rotary screw compressors to control fluid temperatures efficiently. It incorporates a thermostatic valve mechanism that automatically adjusts the flow of compressor oil to the cooler based on real‑time temperature changes. This self‑acting mechanism helps maintain the lubricant temperature within an optimal range — preventing the oil from becoming too hot (which can break down viscosity and cause wear) or too cold (which can lead to condensation and emulsification). Over time, consistent temperature control achieved by the thermostatic valve improves compressor efficiency, reduces energy consumption, and prolongs service life. The kit typically includes the thermostatic valve body, temperature‑sensitive spring element, rubber seals and rings, and other installation components. It is suitable for preventive maintenance and scheduled servicing of medium‑pressure screw compressors, ensuring stable thermal regulation and reliable system performance.