1. Made of cast iron mostly,MOP and other information pls see the attached for more details.
2. Inverted buoy can prevent the water damage and guarantee a long servicing life.
3. Open the valve with strength produced by the buoy.
4. Only 2 working spare parts: inverted buoy and valve lever, no seizure,no blocking, meanwhile energy-saving and less parts depreciation.
5. Perfect flexural strength and compressive strength, anti-corrosion and anti-shock.
6. OEM specifications, feel free to contact us.