Acid rotameter
The first rotameter including a float was invented by Karl Kupers in Aachen in 1908. After that, the invention was improved with new float shapes and glass tube. Karl Kupers designed a…
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metal tube variable area flowmeters principle
Metal pipes are the principle of measuring material flow Metal tubes measure the flow rate of the variable flow rate of the volumetric flow of liquids and gases operating on…
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Double block and blade valve
Double block and blade is a single set of two internal block valves and one blade valve. The three-valve task is performed separately by this set while saving large space, installation…
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airlock valve
The airlock valve is used to keep the operating air inside the actuator chamber so that when there is any defect in the air source in the air process control…
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Fire safe valve
API 607 vs. API 6FA Fire protection is essential for industrial valves in sensitive applications where fire accidents occur easily. Valves used in the oil and gas, refinery, chemical and petrochemical…
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Advantages and disadvantages of different types of flow meters
Advantages and disadvantages of different flow meters such as electromagnetic flow meter, air flow meter, turbine meter, Coriolis mass meter, thermal mass meter, current flow meter, vortex flow meter, etc.…
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Disconnect and reconnect the valve
The shut-off valve is called ON-OFF. These valves are used for disconnection and connection in fluid transmission lines and in addition to the operation of disconnection and connection, they also indirectly…
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Reassurance valve
A protective part of the system, against a sudden increase in pressure, is considered as the most sensitive part of any system with pressure. The typical designs of this part include…
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Check valve
A one-way valve is a device that only allows fluids to flow in one direction. They have two ports, one as input for fluids and the other as output for fluids. Because…
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What is an orifice flange?
Orifis flanges are used in combination with air meters to measure the flow rate of oil, gas and other liquids transported by the pipeline. Transparent flanges are produced in ASME B16.36…
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How does a mass flowmeter thermal work?
Thermal mass meters use the principle of thermal scattering, according to which the rate of heat absorbed by a liquid flowing in a pipe or duct is directly proportional to…
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How to choose a suitable flowmeter?
Obtaining accurate information is essential for selecting and sizing flowmeters. Many applications include materials that have little information about their physical properties, and the best guess is the only solution…
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