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1. What are the components of a CNG dispenser?
1. A compressed natural gas dispenser is a specialized equipment that provides compressed natural gas fuel filling services to compressed natural gas vehicles and is equipped with metering and pricing devices. It consists of electronic control devices, filters, one-way valves, solenoid valves, mass flow meters, pressure transmitters, break valves, gun barrels, etc. The following are the main components: a mass flow meter is a measuring instrument that can directly and accurately measure the mass of fluid flowing through it. It is not affected by changes in pressure, temperature, and viscosity during its working process. The solenoid valve for dispenser on the gas dispenser is controlled by an electrical signal to open and close, thereby controlling the opening and closing of the gas circuit of the gas dispenser. 4. Break away the safety device on the coupling valve of the gas dispenser. Under the rated pull-out force, it can be disconnected into two sections and ensure automatic sealing of the opened sections. At the same time, it can be reconnected to ensure the normal use of the gas dispenser. The pressure protection device on the safety valve gas dispenser. When the pressure inside the gas dispenser exceeds the normal working pressure P (i.e. the set opening pressure of the safety valve), the safety valve opens to relieve pressure; When the pressure drops below the P value, it will automatically shut down to ensure that the gas dispenser can work normally. A pressure sensor is a device that outputs an electrical signal that can be processed based on pressure changes within the gas dispenser system. The control in sequence is based on the grouping of gas cylinde
2. How to adjust the display size of a mass flowmeter
What is a mass flowmeter? What is a mass flow controller? Mass Flow Meter (MFM), also known as Mass Flow Meter, is an instrument that accurately measures gas flow rate. Its measurement values are not inaccurate due to temperature or pressure fluctuations and do not require temperature and pressure compensation. Mass Flow Controller (MFC), also known as Mass Flow Controller, not only has the function of a mass flow meter, but more importantly, it can automatically control the gas flow rate. Users can set the flow rate according to their needs, and MFC automatically maintains the flow rate at the set value. Even if there are fluctuations in system pressure or changes in ambient temperature, it will not deviate from the set value. Simply put, a mass flow controller is a gas flow stabilizing device that can be manually set or automatically controlled by connecting to a computer.
3. May I ask how to translate "vortex flowmeter" in English?
Vortex flowmeter: positive displacement (PD) flowmeter. Translation of other flowmeters for reference: Electromagnetic flowmeter: Electromagnetic flowmeter, Coriolis mass flowmeter: Coriolis mass flowmeter. Open channel flowmeter: Open channel flowmeter. Orifice plate flowmeter. Rotary flowmeter: Rotameter. Turbine flowmeter. Calorimetric flowmeter. Volumetric flowmeter. Positive displacement (PD) flowmeter. Ultrasonic flowmeter. Ultrasonic flowmeter. Venturi flowmeter. Thermal mass flowmeter. Thermal flowmeter. Mass Flowmeter Multiphase Flowmeter: Multip
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