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Overview
Internet of Things IC card controller (hereinafter referred to as "controller") is a new type of gas flowmeter suitable for supporting various types of Roots, turbine and other series, to achieve IC card gas sales management. This product is widely used in all kinds of gas flow measurement, is the ideal measuring instrument for industrial and commercial users such as factories, organs, hotels, hospitals and large shopping malls to use gas, it has the advantages of accurate metering, reliable performance, and can display various relevant information. Open or close the valve in time to control the gas usage. Suitable for pipe pressure less than 400KPa environment.
| Qualifications
The product has passed the national explosion-proof product quality supervision department according to GB3836.1-2010 "Explosive environment Part 1: equipment general requirements", GB3836.4-2010 "Explosive environment electrical equipment Part 4: intrinsic safety explosion-proof type 'i' standard inspection".
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Technical Performance Index
Working pressure: ≤0.4 MPa
Operating voltage: Lithium battery 7.2V
Static current: ＜100 μA
The maximum instantaneous current of valve opening: ＜400 mA
Pipe joint: Flange connection
Battery life: ≤3 years
Working environment: -20～+60℃
Relative humidity: ≤93%
Applicable air source: Liquefied petroleum gas, natural gas, biogas
Table 1 Basic parameter
Model number | Diameter (mm) | Operating pressure (MPa) | Operating pressure differential MPa (Maximum operating pressure) |
VDQ-A-40 | DN40 | ≤0.4 | 0～0.005 |
VDQ-A-50 | DN50 | 0～0.01 |
VDQ-A-80 | DN80 | 0～0.015 |
VDQ-A-100 | DN100 | 0～0.02 |
VDQ-A-150 | DN150 | 0～0.03 |
VDQ-A-200 | DN200 | 0～0.036 |
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Overall Dimensions and Installation
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Installation Requirements
The controller should be installed in a well-ventilated location, away from fire, rain, moisture, and avoid direct sunlight for a long time. Safety height shall comply with relevant local regulations, as shown in FIG.2:
FIG.2 Controller installation diagram
Before the controller is connected, the debris in the pipeline should be removed, and the pipeline should have no leakage.
The VDQ-A controller must be installed horizontally and properly connected to the air inlet and outlet in accordance with the arrow directions indicated.
The connection between the pipeline and the gas controller shall not leak, and the gas pressure entering the flow controller shall not exceed 0.4MPa.
After installation, apply soapy water to the inlet (outlet) air outlet, check for air leakage, and confirm that there is no air leakage before normal use. It is strictly forbidden to detect leaks with open flame to avoid accidents.
When installing, pay attention to the gas flow arrow at the bottom of the valve, which indicates the gas flow direction and cannot be reversed.
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Order Instructions
When ordering this product, the user should select the appropriate specifications according to the nominal diameter of the pipeline, the flow range, the maximum pressure of the medium, and the power supply requirements of the connected flowmeter.
FIG.3 Ordering information
