1Worm gear actuator has advantages of small volume, light weight, reasonable design and strong output torque
2 Indicator board of open degree is directly installed on output worm gear actuator, so the indication is accurate and audio-visual
3 The worm gear actuator could be adjusted within ±5°at the position of open and close after installing limited screw
4 There are two key ways apart with 90° set on the inner hole of gear head for users to choose the relative assembly positions of the gear head and the valve body as needed
5 The special grease has been loaded before leaving factory, the shell is sealed up for waterproof and dust proof
6 More information of gear head, please contact us directly
7 We are professionally gear head manuafacturer for twelve years
