XM type cast iron tide prevention door, flap gate, float chamber flap gate


Sample download XFPM, XFPM type flap gate (float box type) The flap gate is suitable for various pipelines and water channel outlets in water supply and drainage and sewage treatment projects for overflow and check valve use, and can also be used as various vertical well covers. It is only used for the outlet of unidirectional water flow. The flap gate is divided into two types: weighted type and float box type. Among them, the weighted type flap gate is further divided into front-hung weighted type and accessory weighted type. The flap gate has the function of unidirectional opening in the forward direction of the flow path and closing in the reverse direction. The weighted flap gate uses 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; the float box type flap gate uses

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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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