Cylindrical Vertical Tank
A Cylindrical Vertical Tank is a storage vessel with a circular base and vertical sidewalls. A top is a position to upright the store of liquids (water, chemicals, oil) or gases. Cylindrical Vertical Tanks are to minimize the footprint while offering the large capacities. They typically feature flat, conical, or dished ends and are constructed from materials like titanium or plastic.
A Cylindrical Vertical Tank is a vertically mounted industrial storage tank with a cylindrical shape. Cylindrical Vertical Tanks are designed for storing, processing, and handling liquids, chemicals, water, and industrial solutions. The vertical cylindrical designed to allow efficient storage with minimal usage of making the floor space. Cylindrical Vertical tanks are ideal for industries where high-capacity and liquid storage to optimize the space of utilization are important. There are strong structural designs to provide excellent pressure distribution and mechanical stability during industrial operations. Petron Thermoplast provides cylindrical vertical tanks that are easy to install. Cylindrical Vertical Tanks are extremely lightweight compared to industrial connectors
Material Options
HDPE, PPH, FRP, PVC, PVDF, Stainless Steel, Rubber-Lined Steel
Operating Temperature
-10°C to 120°C (depends on material and application)
Corrosion-Free Construction
No rusting when exposed to chemicals & moisture.
Long Service Life
Excellent durability and can operate for many years
ASTM, ASME, ISO, DIN Certified
Manufactured to international quality standards
-10°C to 120°C
Operating Temperature
100 L – 500K L
Capacity (Customizable)
ASTM D1998 & ISO
Certified quality standards
5 mm – 60 mm
Wall Thickness

Excellent Chemical Resistance
Manufactured using corrosion-resistant materials such as HDPE, PPH, FRP, PVDF, PVC, and stainless steel for safe handling of chemicals, acids, alkalis, and industrial liquids.

Temperature Resistance
Designed to handle moderate to high operating temperatures, depending on material selection and application.

Long Service Life
Durable construction and anti-corrosive materials provide extended operational life with minimal maintenance requirements.

Leak-Proof Welded Joints
Precision fabrication and high-quality welded joints ensure leak-proof performance for safe liquid storage and transfer.
Technical Details
| Parameter | Technical & Physical Details |
| Product Name | Cylindrical Vertical Tank |
| Material Options | HDPE, PPH, FRP, PVC, PVDF, Stainless Steel, Rubber-Lined Steel |
| Tank Shape | Cylindrical Vertical |
| Tank Type | Open Top / Closed Top |
| Storage Capacity | 100 Liters to 500,000+ Liters |
| Wall Thickness | 5 mm to 60 mm (depending on capacity & application) |
| Design Standard | ASTM, ASME, ISO, DIN Standards |
| Operating Temperature | -10°C to 120°C (depends on material and application) |
| Pressure Rating | Atmospheric to customized pressure rating |
| Chemical Compatibility | Suitable for chemicals, acids, alkalis, water, and industrial liquids |
| Corrosion Resistance | Excellent resistance to corrosive chemicals and environments |
| Density of Material | HDPE: 0.94–0.97 g/cm³, PPH: 0.90–0.91 g/cm³, FRP: 1.5–2.0 g/cm³ |
| UV Resistance | UV-stabilized materials available for outdoor installation |
| Color Options | Natural, Black, White, Grey, Customized |
| Mounting Type | Vertical Ground Mounted |
| Inlet Connection | Top inlet / Side inlet |
| Outlet Connection | Flanged, Threaded, Socket Weld |
| Lining Options | PTFE, Rubber, FRP, HDPE, PVDF |
| Reinforcement | FRP reinforcement / Steel support structure |
| Fabrication Method | Extrusion welding, Butt welding, Rotational molding, Fabrication |
| Surface Finish | Smooth internal finish / Anti-corrosive finish |
| Leak Protection | Leak-proof welded construction |
| Ventilation Provision | Optional vent and pressure release system |
| Level Indicator | Optional level gauge installation |
| Agitator Provision | Available on request |
| Manhole Provision | Customized manhole sizes available |
| Drainage System | Bottom drain outlet available |
| Impact Resistance | High impact and abrasion resistance |
| Thermal Stability | Suitable for moderate to high temperature applications |
| Mechanical Strength | High structural and load-bearing strength |
| Safety Features | Anti-corrosion, UV protection, chemical resistance |
| Maintenance Requirement | Low maintenance |
| Service Life | Long operational life |
| Applications | Chemical storage, water treatment, pharmaceuticals, food processing, wastewater treatment |
| Installation Type | Indoor & Outdoor installation |
| Customization | Available as per customer requirements |
Chemical compatibility is the ability of a cylindrical vertical tank to safely store the chemicals without experiencing corrosion, degradation, swelling, cracking, leakage, or loss of structural integrity. Selecting the correct tank material based on the stored chemical is critical for ensuring safety, durability, and long-term performance.
Why Chemical Compatibility is Important
Proper chemical compatibility helps to:
- Prevent tank corrosion and damage
- Avoid chemical contamination
- Reduce maintenance costs
- Improve operational safety
- Extend tank service life
- Ensure reliable storage performance
Common Materials Used for Cylindrical Vertical Tanks
| Material | Characteristics |
| HDPE | Excellent resistance to many acids and alkalis |
| Polypropylene (PP) | High chemical and temperature resistance |
| FRP | Strong structural and corrosion resistance |
| PVDF | Superior resistance to aggressive chemicals |
| Stainless Steel | Suitable for selected chemicals and hygienic applications |
Compatibility with Common Chemicals
| Chemical | HDPE | PP | FRP | PVDF | Stainless Steel |
| Hydrochloric Acid (HCl) | Good | Excellent | Excellent | Excellent | Poor |
| Sulfuric Acid (H₂SO₄) | Good* | Excellent | Excellent | Excellent | Good* |
| Nitric Acid (HNO₃) | Moderate | Good | Good | Excellent | Good |
| Phosphoric Acid | Excellent | Excellent | Excellent | Excellent | Good |
| Sodium Hydroxide (NaOH) | Excellent | Excellent | Good | Excellent | Moderate |
| Potassium Hydroxide (KOH) | Excellent | Excellent | Good | Excellent | Moderate |
| Sodium Hypochlorite | Excellent | Good | Good | Excellent | Poor |
| Ferric Chloride | Good | Excellent | Excellent | Excellent | Poor |
| Alum Solution | Excellent | Excellent | Excellent | Excellent | Good |
| Water | Excellent | Excellent | Excellent | Excellent | Excellent |
Quality inspection and testing of a cylindrical vertical tank are critical to ensuring structural integrity, leak-proof performance, chemical resistance, and long-term operational reliability. These inspections are carried out throughout the manufacturing process and before the tank is delivered for installation.
1. Raw Material Inspection
The quality process begins with the inspection of raw materials to verify:
- Material grade and specifications
- Sheet thickness
- Surface condition
- Chemical resistance properties
- Manufacturer certificates
- HDPE sheets
- Polypropylene (PP) sheets
- FRP materials
- PVDF lining sheets
- Stainless Steel plates
2. Dimensional Inspection
Tank dimensions are checked against approved engineering drawings.
Parameters Verified
| Inspection Item | Purpose |
| Tank Diameter | Confirms design accuracy |
| Tank Height | Verifies storage capacity |
| Wall Thickness | Ensures structural strength |
| Nozzle Position | Confirms piping alignment |
| Reinforcement Placement | Ensures proper support |
3. Visual Inspection
A detailed visual inspection is performed to identify:
- Surface defects
- Scratches
- Cracks
- Material damage
- Fabrication irregularities
- Welding imperfections
This helps detect defects before further testing.
4. Welding Quality Inspection
Weld quality is one of the most important factors in tank performance.
Thermoplastic Tanks
Inspection includes:
- Butt fusion weld examination
- Extrusion weld inspection
- Hot gas weld verification
Stainless Steel Tanks
Inspection includes:
- TIG/MIG weld inspection
- Weld penetration checks
- Surface finish evaluation
Benefits:
- Leak-proof joints
- High structural strength
- Long service life
5. Hydrostatic Testing
Hydrostatic testing is conducted by filling the tank with water and holding it for a specified period.
Purpose
- Detect leakage
- Verify weld integrity
- Confirm structural stability
- Check resistance to deformation
This is one of the most important acceptance tests.
6. Spark Testing (Holiday Testing)
Spark testing is commonly performed on:
- PVDF-lined tanks
- FRP-lined tanks
- Coated tanks
- Pinholes
- Lining defects
- Surface discontinuities
- Coating imperfections
This ensures complete protection against chemical attack.
7. Thickness Measurement
Wall and lining thickness are measured using calibrated instruments.
Areas Checked
- Tank shell
- Bottom section
- Roof section
- Lining material
- Reinforcement zones
Proper thickness ensures:
- Structural safety
- Chemical resistance
- Long service life
8. Nozzle & Fitting Inspection
All fittings are inspected for:
- Correct positioning
- Proper welding
- Leak-proof sealing
- Dimensional accuracy
- Inlet nozzles
- Outlet nozzles
- Overflow connections
- Drain nozzles
- Vent pipes
Industries We Serve

Chemical Processing Industries
Used for storing and handling:
Acids
Alkalis
Solvents
Chemical solutions
Industrial process liquids

Water Treatment Plants
Widely used in:
Raw water storage
Chemical dosing systems
Treated water storage
Neutralization processes
Wastewater treatment operations

Acid & Alkali Storage
Suitable for safe storage of corrosive chemicals such as:
Hydrochloric Acid (HCl)
Sulfuric Acid (H₂SO₄)
Caustic soda solutions
Industrial alkalis

Pharmaceutical Industries
Used in pharmaceutical manufacturing for:
Process liquid storage
Purified water storage
Chemical preparation
Mixing and dosing systems

Marine & Coastal Applications
The corrosion-resistant nature of HDPE makes these tanks suitable for:
Saltwater environments
Coastal industrial plants
Marine chemical storage systems

Wastewater Treatment Plants
Used for:
Effluent collection
Neutralization tanks
Chemical treatment systems
Sludge processing applications

Power Plants
Used in:
Cooling water systems
Chemical dosing units
Boiler feed water treatment systems

Oil & Gas Industries
Suitable for storing industrial chemicals, treatment fluids, and process liquids used in refinery and processing operations.
Features of Cylindrical Vertical Tank

1. Space-Saving Vertical Design
The vertical cylindrical shape allows maximum storage capacity while occupying minimal floor space, making it ideal for industrial installations with limited area.

2. Excellent Chemical Resistance
Manufactured using corrosion-resistant materials such as HDPE, PPH, FRP, PVDF, PVC, and stainless steel for safe handling of chemicals, acids, alkalis, and industrial liquids.

3. Leak-Proof Construction
Precision fabrication and high-quality welded joints ensure leak-proof performance for safe liquid storage and transfer.

4. High Mechanical Strength
Designed with strong structural integrity to withstand industrial loads, liquid pressure, and harsh operating conditions.

5. Long Service Life
Durable construction and anti-corrosive materials provide extended operational life with minimal maintenance requirements.

6. Corrosion-Resistant Structure
Suitable for storing corrosive chemicals and aggressive industrial solutions in demanding environments.

7. Smooth Internal Surface
The smooth inner finish minimizes scaling, chemical deposits, and contamination while improving cleaning efficiency.

8. Lightweight Construction
Plastic and hybrid cylindrical vertical tanks are lightweight, making transportation, handling, and installation easier.

9. Low Maintenance Requirement
Corrosion-resistant materials and smooth surfaces reduce maintenance, cleaning, and operational costs.

10. Customizable Design
Available in customized: Sizes Capacities Thicknesses Connection types Lining options Top and bottom configurations According to industrial requirements.

11. Multiple Material Options
Manufactured using materials such as: HDPE PPH FRP PVDF PVC Stainless Steel Rubber-lined steel

12. Reinforced Structure
Optional FRP reinforcement or steel support structures improve tank strength and stability.

13. High Temperature Resistance
Designed to handle moderate to high operating temperatures, depending on material selection and application.

14. UV & Weather Resistance
UV-stabilized materials protect the tank from sunlight and harsh outdoor environmental conditions.
Manufacturing Process of Cylindrical Vertical Tank
The manufacturing process of a cylindrical vertical tank involves careful engineering, material selection, fabrication, welding, assembly, reinforcement, and quality testing to ensure the safe storage and reliable performance. These tanks are widely used for chemical storage, water treatment, process applications, acid and alkali handling, and industrial liquid storage.
- HDPE
- Polypropylene (PP)
- FRP
- PVDF-lined materials
- Stainless Steel
Depending on the application and chemical compatibility requirements.
The manufacturing process begins with detailed engineering calculations based on:
- Storage capacity(100 Liters to 500,000+ Liters)
- Chemical compatibility
- Liquid density
- Operating temperature(-10°C to 120°C (depends on material and application))
- Installation conditions
- Structural load requirements
- Tank diameter
- Tank height
- Wall thickness
- Reinforcement requirements
- Nozzle locations
The appropriate material is selected according to:
- Chemical resistance
- Temperature resistance
- Mechanical strength
- Process requirements
Common Materials
Material | Typical Applications |
HDPE | Water treatment and chemical storage |
PP | Acids, alkalis, and process chemicals |
FRP | Large-capacity outdoor storage |
PVDF | High-temperature corrosive chemicals |
Stainless Steel | Hygienic and pharmaceutical applications |
Raw material sheets are cut to the required dimensions using:
- CNC cutting machines
- Laser cutting systems
- Circular saws
- Thermoplastic cutting tools
- Shell sections
- Bottom plates
- Roof sections
- Reinforcement elements
The cut sheets are rolled into cylindrical sections using specialized rolling machines.
This process ensures:
- Accurate tank diameter
- Uniform curvature
- Proper dimensional accuracy
The shell sections are then aligned for assembly.
The rolled shell sections are joined together using suitable welding techniques.
Thermoplastic Tanks
Common methods include:
- Butt fusion welding
- Extrusion welding
- Hot gas welding
Stainless Steel Tanks
Common methods include:
- TIG welding
- MIG welding
- Arc welding
These welding processes create:
- Strong joints
- Leak-proof seams
- Long-term durability
The tank bottom is fabricated and attached to the cylindrical shell.
Common bottom configurations:
- Flat bottom
- Cone bottom
- Dish bottom
- Sloped bottom
Selection depends on the application and drainage requirements.
The roof section is manufactured according to process requirements.
Common roof designs include:
- Flat roof
- Dome roof
- Conical roof
- Open-top design
The roof is then attached to the shell structure.
Large tanks require additional structural reinforcement.
Typical reinforcement includes:
- Stiffening rings
- Reinforcement bands
- External ribs
- Structural frames
- Mechanical strength
- Shape retention
- Load-bearing capacity
Various process connections and accessories are installed, including:
- Inlet nozzles
- Outlet nozzles
- Overflow nozzles
- Vent pipes
- Drain connections
- Manholes
- Level indicators
The fittings are aligned and welded according to approved drawings.
For process applications involving mixing:
- Agitator supports are installed
- Motor mounting plates are added
- Structural reinforcements are provided
This ensures safe operation under dynamic loads.
How to Select the Right Cylindrical Vertical Tank
The first step is to determine the tank’s intended use:
- Chemical storage
- Water storage
- Acid storage
- Alkali storage
- Process tank applications
- Dosing systems
- Wastewater treatment
The application will influence the tank material, design, and accessories.
The tank material must be compatible with the liquid being stored.
Common tank materials include:
- HDPE
- Polypropylene (PP)
- FRP
- PVDF-lined systems
- Stainless Steel
- Corrosion
- Leakage
- Product contamination
- Material degradation
Tank capacity should be selected based on:
- Daily consumption
- Process requirements
- Storage duration
- Future expansion plans
- Small tanks (100–1,000 liters)
- Medium tanks (1,000–10,000 liters)
- Large tanks (10 KL and above)
Temperature affects material performance and tank design.
Evaluate:
- Storage temperature
- Process temperature
- Ambient temperature
- PPH or PVDF construction
- Additional reinforcement
- Specialized linings
Material | Suitable Applications |
HDPE | Water treatment and mild chemicals |
PPH | Acids, alkalis, and process chemicals |
FRP | Large outdoor storage systems |
PVDF | High-temperature corrosive chemicals |
Stainless Steel | Hygienic and pharmaceutical applications |
The available installation area should be assessed for:
- Tank diameter
- Tank height
- Access space
- Maintenance clearance
- Floor space is limited
- High storage capacity is required
The tank should be designed to withstand:
- Hydrostatic pressure
- Chemical load
- Wind load (for outdoor tanks)
- Seismic conditions (if applicable)
- Reinforcement rings
- Stiffeners
- Support structures
Wall thickness depends on:
- Tank height
- Liquid density
- Chemical type
- Operating temperature
- Structural stability
- Long service life
- Safe operation

Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Why Choose Petron Thermoplast?
Petron Thermoplast provides cylindrical vertical tanks that are easy to install. Cylindrical Vertical Tanks are extremely lightweight compared to industrial connectors. Cylindrical Vertical Tanks mean no concern regarding Corrosion. The flow will be smoother and consistently more cost-effective in comparison to other components.
At Petron Thermoplast, we are committed to delivering high-quality Cylindrical Vertical Tanks that meet industry standards and exceed customer expectations. Our products have been rigorously tested and certified through various tests to ensure their durability and performance.
Petron thermoplast provides a wide range of cylindrical vertical tanks that can be used to extend the performance and versatility of our storage tanks. Different sizes and types are available to suit various applications.
Frequently Asked Questions
A cylindrical vertical tank is a vertically mounted storage or process tank with a circular cross-section, designed for storing liquids, chemicals, water, acids, alkalis, and industrial process fluids.
These tanks are commonly used for:
- Chemical storage
- Water storage
- Acid and alkali storage
- Process applications
- Water treatment systems
- Dosing systems
- Wastewater treatment
Common materials include:
- HDPE (High-Density Polyethylene)
- Polypropylene (PP)
- FRP (Fiber Reinforced Plastic)
- PVDF-lined materials
- Stainless Steel
Material selection depends on the chemical, temperature, and process requirements.
Advantages include:
- Excellent structural strength
- Efficient use of floor space
- Uniform pressure distribution
- Easy installation and maintenance
- Suitable for large storage capacities
Cylindrical vertical tanks can be manufactured in capacities ranging from:
- 100 liters
- 500 liters
- 1,000 liters
- Several thousand liters
- Large industrial tanks exceeding 100 KL
Yes. When manufactured using compatible materials such as PP, FRP, HDPE, or PVDF, they can safely store highly corrosive acids and alkalis.
Material selection depends on:
- Chemical compatibility
- Chemical concentration
- Operating temperature
- Process requirements
- Environmental conditions
Yes. Tanks can be designed for outdoor use with:
- UV-resistant materials
- Weather-resistant coatings
- Structural reinforcement for wind loads
Yes. Tanks can be customized for:
- Capacity
- Diameter and height
- Nozzle locations
- Agitator mounting
- Reinforcement design
- Special accessories
Yes. Tanks can be equipped with:
- Top-mounted agitators
- Side-mounted mixers
- Motor support structures
- Reinforced mounting systems
