Flow meter عرض1 month ago - ملابس وموضة - تبوك - 31 الآراء
A flow meter (or flow sensor) is an instrument used to measure the linear, nonlinear, mass, or volumetric flow rate of a liquid or a gas. When choosing flow meters, one should consider such intangible factors as familiarity of plant personnel, their experience with calibration and maintenance, spare parts availability, and mean time between failure history, etc., at the particular plant site. It is also recommended that the cost of the installation be computed only after taking these steps.
First Steps to Choose the Right Flow Meter
The first step in flow sensor selection is to determine if the flow rate information should be continuous or totalized and whether this information is needed locally or remotely. If remotely, should the transmission be analog, digital, or shared? And, if shared, what is the required (minimum) data-update frequency? Once these questions are answered, an evaluation of the properties and flow characteristics of the process fluid, and of the piping that will accommodate the flowmeter, should take place. In order to approach this task in a systematic manner, forms have been developed, requiring that the following types of data be filled in for each application: Download the Flowmeter Evaluation Form.
Electromagnetic flow meters (EMF) have been used for continuous flow measurement in industrial applications for many years. They are ideally suitable for liquids with an electrical conductivity greater than 5 μS/cm. In addition to water and wastewater, other contaminated liquids are typical areas of application.
Armored to deliver repeatable, reliable flow measurement in demanding high-pressure, high-temperature applications, metal tube flow meters ;from Brooks Instrument set the global standard for rugged durability and sustained accuracy.
Globally approved for use in hazardous environments, metal tube flow meter manufacturer Brooks offers a range of metal tube rotameters that include corrosion-resistant options for metering aggressive fluids and multiple connection options to make it easier to interface our meter into existing industrial systems. Engineered for long-lasting performance, Brooks high-pressure water or gas flow meters deliver excellent meter repeatability to help accurately measure and precisely control complex industrial processes.
Gas Flow Meter Types for Measurement
Most gas flow meters (differential pressure, turbine, positive displacement, vortex shedding) measure the gas flow at the actual operating conditions. This flow rate is ACFM (actual cubic feet per minute). However, it is more important to adjust or correct the flow rate for a particular pressure and temperature. This adjusted flow rate is often called STP (standard pressure and temperature) and is usually in units of SCFM (standard cubic feet per minute).
Glass Tube Variable Area Flow Meters
When measuring liquid or gas flow at higher pressures and temperatures than is suitable for plastic, you can achieve accurate flow rates with robust glass tube rotameters (variable area flowmeters) from Brooks Instrument. With a broader range of flow rates available, glass tube rotameters are suitable for a variety of liquids and gases.
What is a pressure gauge?
Pressure gauges ;are instruments for measuring and displaying the pressure of a medium. Pressure gauges are pressure measuring instruments with elastic pressure elements, which have been used millions of times in various industrial applications. Depending on the area of application of the pressure gauge, Bourdon tubes, diaphragm elements, or capsule elements are used as pressure elements.
What is a solenoid valve and how does it work?
What is a solenoid valve?
The definition of a solenoid valve ;is an electro-mechanical valve that is commonly employed to control the flow of liquid or gas. There are various solenoid valve types, but the main variants are either pilot operated or direct-acting. Pilot-operated valves, the most widely used, utilize system line pressure to open and close the main orifice in the valve body. ;
While Direct operated solenoid valves directly