... Features: 1. Smart shape,perform reliably,brass gear,PPO parts,large output torque,long product life for 100,000 times. 2 ... ,can be worked in moist conditions. IP65. Situable for :IC card meters,heat energy meters,air-warm valve. HVAC and fire works. 3 ... variety of occasions Other illustration: Material of main parts: Actuator: heat-resistant ABS Sealing: PTFE, silicon rubber ball seat, EPDM and ...