... position,avoid gear with switch. 3. Multi-angle assembling,easy to install. 4. Float ball structure,no leakage,especially suitable for heavy ... can be worked in moist conditions. IP65. Situable for :IC card meters,heat energy meters,air-warm valve. HVAC and fire ... can not work. 6. Multiple voltage and control mode, applicable to a variety of occasions Other illustration: Material of main parts: Actuator ...