Butterfly non return valve

Milestone is a professional Butterfly non return valve manufacturer and supplier in China. If you are interested in Butterfly non-return valve products, please contact us. We follow the quality of rest assured that the price of conscience is dedicated service. The butterfly non-return valve MST is designed to equip and supply hydraulic networks and pumping stations. Of robust construction, it is generally installed on the drains of repression. With the stopping of the pumps, it retains the water column automatically.

The butterfly non-return valve is characterized by butterfly rocking and an oblique seat. It opens under the action of the positive flow and is adjusted with a degree of opening corresponding to the rate of the flow. Double offsetting enables the butterfly to balance (thanks to its own inertia). Moreover, the slope of the seat enables the butterfly non-return valve to reduce the rate of closing. These two characteristics guarantee fast closing without shock.