This clamp butterfly valve is classified into turbine signal butterfly vave and throws butterfly valve. It is especially applicable to the water supply ductwork of hydrant and auto sprinkler system. It can also be used in other water supply, petroleum and waterpower ductworks for regulation or shutoff of water flow.
Features:　
1. New pattern, beautiful outlook, small size and lightweight.　2. Its turbine or throw structure is easily and quickly operated and saves energy.　3. It is provided with sealant structure for a good sealing.　4. It is provided with original sealant washer for a convenient installation.　5. It has good regulation performance that changing the angle of the butterfly gate can easily control the flow of medium.　6. Signal butterfly valve is provided with a on/off display screen which can transmit the electric signal showing the on/off condition of butterfly valve to the fire control center, to increase the safeness of firefighting water supply.