A foam gun flow control module

By designing a foam gun flow control module, and utilizing a combination of central and inclined through holes to adjust the orifice diameter and number, the problem of insufficient foaming effect of foam gun under constant flow and pressure was solved, achieving a more efficient air-liquid mixing and foaming effect.

CN224270000UActive Publication Date: 2026-05-26ZHEJIANG HONGRUI FIRE FIGHTING EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG HONGRUI FIRE FIGHTING EQUIPMENT CO LTD
Filing Date
2025-06-13
Publication Date
2026-05-26

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Abstract

This utility model belongs to the field of fire-fighting equipment technology, and particularly relates to a foam gun flow control module. It includes a flow module with a central through hole and several inclined through holes. The central through hole is located on the central axis of the flow module, and the inclined through holes are arranged around the central axis of the flow module. The front end of the inclined through holes is inclined towards the central axis of the flow module, and the central axis of the inclined through holes intersects with the central axis of the central through hole. The central through hole and the inclined through holes of this utility model cause multiple streams of water and foam mixture to collide with each other to form turbulence, thereby improving the mixing degree of air and mixture when passing through the foaming module and improving the foaming effect.
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