1. pressure switches 2.Any pressure value within 3~700 PSI 3.Single ... , YK-02H, YK-03H, YK-01L, YK-02L, YK-03L Series Single Cut Double Thrower Auto-reset Pressure Control, which is ... resetting on the customers' site.Operating Principle 1)The series of pressure switches are made based on the theory that an inside ... and tools. YK 01H,03H,01L,02L,03Lseries(SPDT) pressure switches