🔧 What is a Pressure Vessel?
A Pressure Vessel is a container designed to hold gases or liquids at a pressure significantly different from ambient pressure.
It is widely used in industries such as oil & gas, petrochemical, power generation, and chemical processing.
📊 Common Types of Pressure Vessels
1️⃣ Horizontal Pressure Vessel
Designed for installation in a horizontal position.
Commonly used for storage tanks and heat exchangers.
Provides easy maintenance and stable support.
2️⃣ Vertical Pressure Vessel
Installed vertically to save space.
Ideal for limited-area installations and tall process units such as separators or reactors.
3️⃣ Spherical Pressure Vessel
Spherical shape distributes stress evenly.
Suitable for storing high-pressure gases like LPG.
However, fabrication cost is relatively high.
4️⃣ Cylindrical Pressure Vessel
The most common type in industrial applications.
Can be designed in both horizontal and vertical configurations.
Offers a good balance between strength and cost.
5️⃣ Jacketed Pressure Vessel
Includes an outer jacket for heating or cooling.
Widely used in chemical and pharmaceutical industries.
Ensures precise temperature control during processing.
6️⃣ Vacuum Pressure Vessel
Designed to withstand external pressure (vacuum conditions).
Requires special structural reinforcement to prevent collapse.
🧠 Design Considerations
Pressure vessels must be designed according to international standards such as:
- ASME Section VIII
- API Standards
Key factors include:
- Design pressure and temperature
- Material selection
- Corrosion allowance
- Safety and inspection requirements
💡 In Summary
Selecting the right type of pressure vessel depends on your process conditions, space limitations, and operating requirements.
A properly designed vessel ensures safety, efficiency, and long-term performance.
📍 HESCO – Heat Exchangers & Pressure Vessel Specialist (Thailand)
📩 Email: jimmy@hesco.co.th
📞 Phone: +66 98 328 2941
🌐 www.hesco.co.th
