Current position > News detail
『Corrosion resistant glass rotor flowmeter』Related information(v cone flow meter|rotary gas meter|gallon meter|gear meter|metal tube rotameter|glass tube rotameter|nutating disk meter|transit time ultrasonic flow meter|wedge flow meter|pd meters|hydraulic flow meter|ultrasonic water flow meter|water flow meter|air flow meter|magnetic water flow meter|oxygen flow meter|gas flow meter|argon flow meter|air velocity meter|gasoline flow meter|fuel flow meter|ultrasonic water meter|digital water meter|nitrogen flow meter|solid flow meter|Oxygen tank flow meter|digital water flow meter|diesel fuel flow meter|steam flow meter|02 flow meter|compressed air flow meter|oil flow meter|liquid flow meter)
1. Pipeline type online densitometer
2. How to correctly select a glass rotor flowmeter
To correctly select a glass rotor flowmeter, it is necessary to comprehensively consider the characteristics of the measured object, accuracy requirements, price factors, and structural characteristics. Specific operating procedures:
1. Clarify the characteristics of the measured object medium type: liquid or gas: it is necessary to distinguish whether the measured medium is liquid (such as water, oil) or gas (such as air, steam), and different media need to choose corresponding models. Corrosive medium: If the medium is corrosive (such as acid or alkali solutions), a corrosion-resistant flowmeter must be selected, usually made of polytetrafluoroethylene or corrosion-resistant alloy, to avoid instrument damage or measurement errors. Viscosity and density: High viscosity or high-density media may affect the stability of the rotor, and it is necessary to choose ribbed pipe type or low flow type to enhance anti-interference ability. Pressure and temperature working pressure: Select the pressure resistance level based on the system pressure. For example, high-pressure resistant flow meters can withstand pressures of several MPa, while ordinary types are only suitable for low-pressure environments. Working temperature: Insulated flow meters should be selected for high-temperature media to avoid rotor jamming or scale distortion caused by temperature changes. Refer to the instrument series spectrum for the flow range and confirm whether the measured flow is within the measurable range: liquid (water): 0.1 ml/min~40 cubic meters/h gas (air): 1 ml/min~1000 cubic meters/h. Small flow scenarios: When supporting environm
_600x400.jpg)
Secondly, determine the accuracy level based on the measurement purpose. High precision measurement is required, such as laboratory research or precision control, and models with high accuracy levels (such as laboratory models) should be selected, but the price is usually higher.
. General control scenario: If only stable throughput is required (such as flow monitoring in industrial processes), precision requirements can be reduced to save costs. Prioritize models with simple structures and large flow holes for repeatability and stability, reducing the risk of medium residue and blockage, and ensuring long-term measurement stability. For low traffic scenarios, the ball float type is recommended due to its stable measurement, high accuracy, and good interchangeability. 3. Combining price and structural optimization, choose models with higher accuracy in price factors and more complex functions (such as alarm and insulation), and the higher the price. Balance performance and cost based on budget. Example: The regular model has a lower price and is suitable for general industrial scenarios; High voltage resistant or laboratory models have higher prices and are suitable for special needs. Structural characteristics: Needle valve position: Priority should be given to models where the needle valve is placed on the upper part of the flowmeter for ease of operation and maintenance. Flow hole design: Large flow holes can reduce pressure drop and are suitable for high velocity media. Scale method: Direct flow scale (without conversion) is more intuitive and suitabl