What Is It?

A pressurized air tank is equipment used to store air coming from compressors and ensure the stable operation of the system. These tanks balance the air pressure and regulate airflow within the system. Pressurized air tanks are used in industrial environments where high air pressure is required, and periodic inspections are crucial for ensuring safety.

What Are the Standards?

Pressurized air tanks must be manufactured and periodically inspected in accordance with specific standards and regulations to ensure safe use and legal compliance. Key standards include:

• ASME Boiler and Pressure Vessel Code (BPVC) Section VIII: An American standard that defines the design, manufacturing, testing, and maintenance procedures for pressure tanks.

• PED (Pressure Equipment Directive) 2014/68/EU: The European Union directive that specifies safety, design, and operational standards for pressure equipment.

• TS 12232: The Turkish safety regulation applicable to pressure vessels.

• TS EN 13445: The Turkish and European standard outlining design, manufacturing, and safety requirements for pressure vessels.

How Is It Done?

The periodic inspection of pressurized air tanks is carried out by qualified engineers following specific steps:

• Visual Inspection: The external surface of the tank is inspected for leaks, cracks, rust, corrosion, or deformation. Any visible damage may indicate potential internal issues.

• Pressure Testing: The tank is pressurized to a specific level to test its safe operating capacity and check for leakage.

• Weld and Joint Inspection: Welded and jointed areas are checked for cracks or weaknesses that could compromise the integrity of the tank.

• Corrosion Testing: The interior of the tank is tested for corrosion, as exposure to moisture in compressed air can reduce durability over time.

• Safety Equipment Check: Safety valves, pressure gauges, and other safety components are tested to ensure proper operation.

• Functional Testing: The tank is tested while integrated with the system to ensure proper air flow and efficient performance.

Why Is It Applied?

The periodic inspection of pressurized air tanks is important for several reasons:

• Safety: Pressurized air tanks operate under high pressure, and any malfunction could result in severe safety hazards. Regular inspections minimize these risks.

• Legal Compliance: Many countries require periodic testing of pressure equipment by law, helping businesses meet regulatory obligations.

• Efficiency: Routine maintenance and inspection improve system efficiency and help detect potential issues before they cause downtime.

• System Continuity: Since pressurized air tanks are critical components in industrial systems, regular inspections ensure operational reliability and safety.

Where Is It Applied?

Pressurized air tanks are commonly used across various industrial sectors. Prominent application areas include:

• Construction and Mining: Used in compressors and air systems that power construction machinery, drilling equipment, and mining operations.

• Automotive and Manufacturing Industries: Essential for air-powered tools and machinery on assembly lines and production systems.

• Chemical and Petrochemical Industry: Utilized in the production and transport of chemical substances under controlled pressure.

• Food and Beverage Industry: Used in air-powered packaging and production systems.

• Electricity and Energy Production: Ensures efficient system operation in power plants and energy production facilities.

Equipment and Techniques

The main equipment and testing techniques used during the periodic inspection of pressurized air tanks include:

• Pressure Testing Devices: Used to test the strength and airtightness of air tanks by simulating operating pressure.

• Ultrasonic Thickness Gauge: Measures the metal thickness to detect wear, corrosion, or damage.

• Endoscopic Cameras: Used for internal visual inspections to detect corrosion or structural damage.

• X-ray and Ultrasonic Testing (NDT): Non-destructive testing methods used to identify cracks in welded areas.

• Safety Equipment Testers: Used to verify the correct operation of safety valves and pressure indicators.

Advantages

The advantages of periodic inspection of pressurized air tanks include:

• Enhanced Safety: Early detection of potential failures helps prevent major accidents.

• Efficiency: Regular inspection ensures that systems operate efficiently.

• Legal Compliance: Ensures adherence to regulations, avoiding penalties or liabilities.

• Longer Lifespan: Regular maintenance extends the lifespan of tanks and reduces repair costs.

• Environmental Protection: Properly maintained tanks prevent leaks that could harm the environment.

Disadvantages

Some disadvantages of periodic inspection for pressurized air tanks may include:

• High Cost: Inspections and testing may incur additional expenses.

• Time-Consuming: Detailed testing and inspection can take time, affecting operational efficiency.

• Expertise Requirement: Proper inspection and testing require trained engineers and specialized equipment.

Contact Us

For more information or to request our periodic inspection services for your pressurized air tanks, please contact us. As an accredited organization, we manage the necessary certification processes to ensure the safety and regulatory compliance of your pressure equipment.