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What is a circle with a fork in CAD fire protection?
If it is located in the flow and pressure testing device of the fire hydrant pressurization pump group and the spray pressurization pump group flow and pressure testing device, then this legend is the flow meter. Flow meters are used to test whether the pressure of fire protection systems and sprinkler systems meets the design pressure.
2. Draw a flowmeter using CAD
To draw a flowmeter symbol using CAD, follow these steps: Draw a quadrilateral: Open the CAD software and use the polygon tool to draw a quadrilateral in the drawing area.
. Draw the horizontal jujube line below the hunger burial: Use the line tool to draw a horizontal line starting from the lower vertex of the quadrilateral. Mirror Horizontal Line: Use the mirror tool to mirror the drawn horizontal line to the left side of the quadrilateral. Draw a vertical line with the upper vertex of the quadrilateral as the starting point, using the line tool again. Draw a circle: Use the circle tool to draw a circle with the vertex of a vertical line as the center. Draw Arrow Line: Use the polyline tool to draw an arrow line starting from the center
What is a circle with a cross in CAD fire protection?
1. If you see a cross inside a circle in a CAD fire protection design drawing, it usually means "prohibited" or "disrespected land travel".
2. In a fire protection system, this initial legend may be used to identify a malfunction or improper operation of a certain equipment or component.
3. A flow meter is an instrument used to measure fluid flow. In a fire protection system, it can detect and ensure that the speed and pressure of water flow meet the requirements.
4. The role of a flow meter in a fire protection system is to ensure that the systems water supply capacity meets design and safety requirements, especially during testing and maintenance.
In the sprinkler system, flow meters are used to monitor the flow and pressure of the booster pump group to ensure that the system can work effectively in case of a fire.
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