The Saginomiya ATX-71160DUSQ677 is a high-performance thermostatic expansion valve designed for precise control of refrigerant flow in air conditioning and refrigeration systems. As a key component of the ATX series, this valve accurately regulates superheat by responding to temperature and pressure changes at the evaporator outlet. Its robust stainless steel head and power element ensure long-term durability and reliable operation, even under demanding conditions. This specific model is engineered for use with R410A refrigerant, contributing to optimal system efficiency, stable performance, and the protection of the compressor.