What are the main application scenarios of medium and high pressure valves?

Medium and high pressure valves are usually used to handle working conditions with high medium pressure. They play a vital role in various industrial fields and are widely used to control and regulate the flow, pressure, temperature, etc. of fluids. The following are the main application scenarios of medium and high pressure valves:

1. Oil and gas industry
Oil and gas transportation: During the extraction, storage and transportation of oil and gas, pipeline systems often need to withstand high pressures. In these scenarios, medium and high pressure valves are used to regulate and control the flow and pressure of oil and gas to ensure the safe and stable operation of pipelines.
Oil and gas separation and processing: In processing links such as refineries and natural gas processing plants, medium and high pressure valves are used to control the pressure and flow of different process stages to ensure the smooth progress of the reaction process.
Deep-sea oil and gas extraction: During deep-sea drilling and extraction, equipment needs to be able to withstand high pressure environments. Medium and high pressure valves are used to regulate fluid pressure and prevent equipment damage in these harsh environments.

2. Chemical industry
Chemical reactor control: During the production of chemicals such as fertilizers and petrochemicals, high-pressure reactors and pipeline systems will generate high pressures. Medium and high pressure valves are used to control the internal pressure of the reactor to prevent accidents caused by overpressure.
High temperature and high pressure reaction process: In some chemical reactions, the medium temperature and pressure are high, especially the reaction of liquefied gas, chemical solvents and catalysts. In these occasions, medium and high pressure valves are used to control the flow and pressure of the fluid to ensure the safety and efficiency of the reaction.
Steam distribution system: Chemical plants often need to use medium and high pressure steam to heat and drive equipment. Medium and high pressure valves play a key role in the steam distribution system to ensure the precise regulation and control of steam pressure.

3. Power industry
Boiler system: In thermal power generation, nuclear power, and other types of power stations, high temperature and high pressure steam is a common medium. Medium and high pressure valves are used in boilers, steam pipelines, cooling systems and other occasions to adjust steam pressure and protect the safe and stable operation of the system.
Heat transmission: In the heat transmission pipeline network, medium and high pressure valves are used to control the flow and pressure of hot water or steam to ensure the efficient operation of the heating system.
Generator cooling system: In some large power plants, the pressure and flow control of the coolant is crucial. Medium and high pressure valves are used to control the flow of cooling water to ensure the normal heat dissipation of generators and related equipment.

4. Metallurgical Industry
Smelting process: In the smelting process of steel, aluminum, copper, etc., high-pressure gas or liquid is required as the working medium. For example, high-pressure oxygen plays an important role in the steel refining process. Medium and high pressure valves control the pressure of gas or liquid in these systems to ensure the safety and efficiency of the smelting process.
High-pressure gas control: In the metallurgical industry, high-pressure gases such as hydrogen, nitrogen, and oxygen are required for heating, blowing and other processes. Medium and high pressure valves are used to adjust the gas pressure to avoid system overpressure or pressure fluctuations.

5. Liquefied gas and gas storage
Liquefied gas storage and transportation: Liquefied natural gas (LNG) and liquefied petroleum gas (LPG) storage and transportation processes require high-pressure containers and pipeline systems. Medium and high pressure valves are used for pressure control of liquefied gas to prevent leakage or explosion of gas due to excessive pressure during transportation.
Gas booster system: During the gas transportation process, medium and high pressure valves are used to adjust the gas pressure to ensure that the gas can be effectively transported to the target location.

6. Water treatment industry
High-pressure water pump system: In water treatment, seawater desalination, sewage treatment and other systems, high-pressure pumps are often needed to transmit or filter water. Medium and high-pressure valves are used to control the pressure of water flow to ensure the stability and efficiency of the treatment process.
High-pressure reverse osmosis system: In the process of seawater desalination, the reverse osmosis membrane needs to withstand high water pressure. Medium and high-pressure valves are used to control the flow of water and adjust the water pressure entering the membrane system in this process.

7. Aerospace
Fuel system: The fuel delivery system of aircraft and spacecraft needs to transmit fuel through high-pressure pipelines. Medium and high-pressure valves are used to control the flow and pressure of fuel to ensure safe fuel delivery.
Gas regulation system: High-pressure gases such as nitrogen and oxygen are often used inside aerospace vehicles to control the operation of equipment. Medium and high-pressure valves play an important role in these gas regulation systems, regulating gas flow and pressure to ensure the normal operation of the system.

8. Pharmaceutical industry
High-pressure sterilization system: In the pharmaceutical industry, high-pressure steam is often required for the sterilization process. Medium and high-pressure valves are used for pressure control of the autoclave to ensure the stability of temperature and pressure during the sterilization process and ensure the quality of drugs.
High-pressure liquid delivery: In the process of drug manufacturing, chemical solutions are often transported through high-pressure pipelines. Medium and high-pressure valves are used to adjust the delivery pressure to ensure the precise flow of liquids.

9. Food and Beverage Industry
High-pressure sterilization: High-pressure sterilization is a common process in food processing. Medium and high-pressure valves are used to control the pressure in the sterilization equipment to ensure the stability of the high-temperature and high-pressure environment during food processing.
Gas inflation system: In the production process of bottled beverages, beer, sparkling water, etc., gas inflation equipment is required, and medium and high-pressure valves are often used to control the pressure and flow of the gas.

10. Construction industry
High-pressure fire fighting system: In some high-rise buildings, in order to ensure the water flow in the event of a fire, high-pressure fire pumps and pipelines are often equipped. Medium and high-pressure valves are used to adjust the water flow pressure in the fire fighting system to ensure the efficient operation of the fire extinguishing system.
Air conditioning and refrigeration system: High-pressure gas (such as Freon) circulation is required in the air conditioning and refrigeration system of some large buildings. Controlling medium and high-pressure valves can adjust the pressure and flow of the refrigerant to ensure the cooling effect.

Summary
Medium and high pressure valves are widely used in many industries, mainly used to adjust and control the pressure and flow of liquids, gases, steam and other media to ensure the safe, stable and efficient operation of equipment and systems. Common application scenarios include oil and gas, chemical industry, electric power, metallurgy, gas storage, water treatment, aerospace and other industries. According to specific working conditions and application requirements, the selection of suitable medium and high pressure valves can improve the reliability and operating efficiency of the system.