The Nakakita NSTM790N is a robust and reliable self-actuated temperature control valve designed for precise fluid temperature regulation in demanding marine and industrial environments. Operating without the need for any external electrical or pneumatic power source, this valve utilizes a liquid expansion thermal system for highly accurate and autonomous control. Its durable construction ensures long-term performance in applications such as controlling the temperature of lubricating oil, jacket cooling water, and fuel oil. The NSTM790N is engineered for simple installation and minimal maintenance, making it a cost-effective and dependable solution for critical temperature management systems.