... limit and machinery limit design,accurate position,avoid gear with switch.3. Multi-angle assembling,easy to install.4 ... can be worked in moist conditions. IP65Material of main parts:Actuator: heat-resistant ABSSealing: PTFE, silicon rubber ball ... /Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter, ...