The monthly examination of automatic drain valve is a dirty block, such as dirty block clean. 每月需检查自动排水阀(ADV)是否有脏堵,如脏堵请清洗。
Students check the automatic drain valve of the front end of the valve is open. 检查自动排水阀(ADV)前端之球阀是否打开。
Design and Practice of Automatic Test System for Drain Valve Performance 疏水阀性能试验自动测试系统的设计与实践
The separators are also equipped with automatic drain valves, as well as level switches to monitor separator drain valve operation. 两个分离器还配有排水阀以及监控排水阀工作的液位开关。