In the context of a heater, draft refers to the movement of air or gas through the system, typically the combustion gases that are produced during the heating process. The draft is essentially the pressure difference that drives the flow ...

Cavitation is a physical phenomenon that occurs when rapid changes in pressure cause the formation of small vapor-filled bubbles (or cavities) within a liquid. These bubbles can form when a liquid is subjected to local pressure drops that are below ...

DuPont is a multinational science and technology company, originally founded in 1802, that is known for its innovations in a wide range of industries, including chemicals, materials science, biotechnology, and agriculture. Over its long history, DuPont has played a key ...

Purging a pressure transmitter is an essential maintenance procedure that ensures the transmitter operates correctly and accurately. Pressure transmitters can become contaminated by moisture, air, or debris, affecting their performance. Purging helps to remove any contaminants, ensuring accurate pressure measurement ...

Purging and flushing are both processes used to clean and maintain systems (such as pipelines, reactors, or equipment), but they serve different purposes and involve different techniques. Here’s a detailed comparison of the two: 1. Purpose: Purging: Purging is the process of ...

Purging refers to the process of removing unwanted gases, contaminants, or air from a system, pipeline, or equipment to ensure safe, clean, and proper functioning. In industrial applications, purging is typically used to prevent the build-up of hazardous or unwanted ...

The stroke test is an important diagnostic and performance check for control valves. It refers to the process of verifying the movement of the valve actuator in response to a control signal. The test ensures that the control valve is ...

The FCC (Fluid Catalytic Cracking) unit is one of the most important and widely used processes in petroleum refineries. It is used to convert heavy, high-boiling-point hydrocarbons from crude oil into lighter, more valuable products such as gasoline, diesel, propane, ...

The RFCC (Residual Fluid Catalytic Cracking) unit is an advanced refining process that upgrades heavy residues from the crude distillation unit (CDU) into more valuable, lighter products like gasoline, diesel, and petrochemical feedstocks. It is a type of fluid catalytic ...

Sweet Crude refers to crude oil that has a low sulfur content, typically less than 0.5% by weight. The term “sweet” comes from the oil’s relatively pleasant or neutral odor, in contrast to the pungent and foul smell of sour ...