... ",3/4",1",1 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmVoltage: DC3-6V ... machinery limit design,accurate position,avoid gear with switch.3. Multi-angle assembling,easy to ... leakage,especially suitable for heavy pollution conditions.5.Good substitution for solenoid or pneumatic valve.6. High protection ... equipment,solar water heaters,washing machines,water heaters,industrial humidifier.6.Solar thermal,under-floor ...