关键词: 调压阀, 安全可靠, 成熟技术

Abstract: The paper introduces the application of pressure regulating valve in Lamphun hydropower station. The safety and reliability of pressure regulating valve are tested on site. Its application has proved that the pressure regulating valve could solve the excess rising pressure in hydropower station system caused by emergency shutdown. It's a proven technology to take the place of surge shaft in small and medium-size hydropower stations, worthy of popularizing.

Key words: pressure regulating valve, safe and reliable, mature technology