XM type cast iron tide prevention door, flap gate, float chamber flap gate
Keywords: pretreatment equipment, aeration equipment
Product Description
XFPM, XFPM type flap gate (float type)
Flap gates are used for overflow and check valve purposes at the outlets of various pipelines and water channels in water supply, drainage, and sewage treatment projects. They can also be used as various shaft covers. They are only used for the outlet of unidirectional water flow.
Flap gates are divided into weighted and float types. Weighted flap gates are further divided into front-hung weighted and accessory weighted types.
Flap gates have the function of unidirectional opening in the forward direction of the flow path and closing in the reverse direction. Weighted flap gates utilize the balancing effect of the weight to automatically open or close the gate leaf under the action of water flow, or slightly apply external force to open or close the gate leaf; float flap gates utilize the weight distribution during installation to make their specific gravity slightly greater than water, achieving automatic opening or closing under the action of water pressure.
Features:
The specific gravity of the XFPM type flap gate in water is slightly greater than water, and the opening head is extremely small.
The installation method is mostly flange structure, which is convenient for installation.
No power is required for opening and closing.
Working principle
Flap gates (float type) are generally installed at the connecting point between two interconnected pools. When the water level inside the flap gate is high, the flap gate automatically opens and drains under the action of water pressure (buoyancy). When the inner water level drops, it automatically resets, thus ensuring that the inner water level is limited to a certain height. Using a hollow single-float plate type, the valve plate is designed according to the principles of fluid mechanics. Using a hollow structure, the law of buoyancy makes the valve plate a "float." When the valve is fully submerged in water, the weight of the valve plate is almost zero.
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