Measuring principle and characteristics of explosion-proof metal tube float flowmeter

Explosion-proof metal tube float flowmeter measurement principle:

When the measured medium passes through the conical measuring tube from bottom to top, the upper and lower ends of the float generate differential pressure to form an upward force. When the upward force on the float is greater than the weight of the float immersed in the fluid, the float rises, the annular gap area increases, the fluid flow rate at the annular gap immediately decreases, the differential pressure between the upper and lower ends of the float decreases, and the upward force acting on the float also decreases until the upward force is equal to the weight of the float immersed in the fluid, and the float stabilizes at a certain height. The height of the float position corresponds to the flow rate of the measured medium. The float has a built-in magnetic steel, and when the float moves up and down with the medium, the magnetic field changes with the movement of the float.

a. For the local type, the rotating magnet in the local indicator is coupled with the magnet in the float, causing it to rotate and drive the pointer to indicate the flow rate at that time through the dial.

b. For the intelligent type, a solid-state magnetic sensor in the intelligent indicator converts the change of the magnetic field into an electrical signal, which is then converted into an electrical signal through A/D conversion, microprocessor, D/A output, and LCD display to display the flow rate and accumulated flow rate.

Features of explosion-proof metal tube float flowmeter

1. Our company has professional gas bell jars to ensure that each product is a real standard product.

2. Precision parts such as float needle valve are processed by machining center (CNC)

3. All core components and equipment are controlled by our company

4. Welding process industry, single-sided welding and double-sided forming