- Sanitary Grade Lu Electric Welding Butterfly Valve
- 2019-05-10 07:06
- Spring Return Mode: Inlet air pressure drives piston outwards, the gear rotates accordingly to open the valve; when air pressure reduces, spring forces piton backwards, valve stem turn together with the gear to close the valve.
- Sanitary Grade Lu Electric Three-piece Butterfly Valve
- 2019-02-07 18:46
- Double Acting Mode: Compressed air enters the chamber through 2" inlet and gets out of 4" outlet, valve is opened; compressed air enters the chamber through 4" inlet and gets out of 2" outlet, valve is closed.