Foam liquid flowmeter | dry goods | summary of terms in 5 specifications for fire protection facilities

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1. foam extinguishing agent, low, medium and high foaming times and liquid separation time measuring device

foam extinguishing agent low, medium and high foaming times and liquid separation time measuring device Yuanxiang is a device specially used to measure the foaming times and liquid separation time of foam extinguishing agent under low, medium and high foaming times. The following is a detailed introduction to the measuring device:

I. Device overview The measuring device consists of foam supply system, low expansion foam foaming performance testing device, medium expansion foam foaming performance testing device, high expansion foam foaming performance testing device, control system, laboratory and flue gas treatment system. It can meet the requirements for accurate determination of foaming ratio and liquid separation time of low, medium and high power foam liquid.

II. In line with the standards, the design and production of the measuring device strictly comply with a number of national and industrial standards, including but not limited to the requirements for the determination of the foaming ratio and the liquid separation time of medium and high expansion foam solutions and low expansion foam solutions in the GB15308-2006 foam Extinguishing Agents. The method for determining the foaming ratio and liquid separation time in GB19156-2019 "Fire Cannon". Test requirements for medium expansion foam generators and high expansion foam generators in GB20031-2005 General Technical Conditions for foam Extinguishing Systems and Components.

III. Main technical parameters foam supply system Equipment purpose: provide foam solution for low, medium and high expansion foam foaming performance test.

Working principle: use compressed air to provide pressure to press foam liquid out of the mixed liquid storage tank, measure the flow of foam mixture through the flowmeter on the pipe, and then send it to the foam generator to generate foam. System composition: including mixed liquid storage tank, flow meter, proportional control valve, air compressor, infusion hose, digital thermometer, measuring cylinder, electronic stopwatch, scale, console, etc. Mixed liquid storage tank: with a capacity of ≥ 60L, rated pressure of 0.8MPa, made of 304 stainless steel, and equipped with a pressure vessel quality inspection certificate. Flow meter: Electromagnetic flow meter, flow range 0-1000L/h, DN25 pipe diameter, flange type. Supply pressure: 0.3-0.65MPa, using a proportional valve to adjust the supply pressure. Low magnification foam foaming test device consists of standard foam gun, foam collector, liquid separation tester, foam gun bracket, electronic platform scale, etc. Standard foam gun: meet the requirements of GB 15308-2006 standard. Under the pressure of (0.63 ± 0.03) MPa, the water flow is (11.4 ± 0.4) L/min. Foam collector: the surface is made of brass and meets the requirements of GB 15308-2006 standard. Measurement of liquid separator: made of brass, use water to calibrate the volume of foam receiving tank to 1mL. foam gun bracket: height 0.8~1.5m adjustable, angle adjustable. Measuring cylinder: 500mL, division value 10mL. Electronic scale: weighing range 0-1000g, with communication port, accuracy ± 0.5g. Stopwatch: division value 0.1s. Temperature gauge: division value 1 ℃. (Insert Figure

1, physical picture and Figure

5, picture of foam collector). Measure the volume of foam, compare it with the volume o

Foam liquid flowmeter | dry goods | summary of terms in 5 specifications for fire protection facilities

1. foam extinguishing agent, low, medium and high foaming times and liquid separation time measuring device

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