TankSeal

At TAC, we have been designing, manufacturing and installing sealing solutions that ensure operational efficiency and safety in industrial storage tanks for nearly two decades. Our experience has taught us that good design, high quality materials and maximum reliability are key to optimizing sealing performance and minimizing volatile organic compound (VOC) emissions.

Our range includes primary, secondary, double combinations and even tertiary seals, designed to suit the specific requirements of each customer and industrial environment. With industry-leading quality standards, we offer solutions that integrate seamlessly into any configuration, adapting to each customer's specific needs and ensuring outstanding performance in any environment.

Our external floating roof seals are designed to provide superior protection against product loss and environmental contamination. Their advanced design ensures maximum efficiency in industrial storage.

Primary seals play a crucial role in sealing storage tanks, preventing evaporation and complying with environmental regulations. We design a variety of options to suit different configurations and types of stored products.

Mechanical Primary Seal (MS6)

General Description

The MS6 is designed for tanks storing crude and refined products, and stands out for its ability to adapt to welded and riveted tanks. It is a reliable solution even under varying space conditions.

Key benefits

• 100% compatible with aromatic products.
• Installation in service without operational interruptions.
• Compliance with API 650 and environmental regulations.
• Flexible design to adapt to edge variations.

Design and construction

• Metal shoes in galvanized or stainless steel.
• Pantograph system ensures constant contact with the tank.
• Compatible with Teflon, polyurethane and calcium silicate membranes.

Technical Specifications

• Standard spacing: 200 mm ± 100 mm.
• Useful life: 10-25 years.
• Typical weight: 20 kg/m linear.

Tubeseal Primary Seal (TB5)

General Description

Tubeseal is a liquid-filled tubular seal that provides an effective seal in tanks of different diameters, adapting perfectly to the characteristics of the tank and the stored product.

Key benefits

• Compatible with aromatic products at 75%-100%.
• Easy installation and minimal maintenance.
• Rugged design ensures long-lasting watertightness.

Design and construction

• Nylon protective band coated with elastomeric material.
• Tube filled with compatible liquids, such as kerosene or diesel fuel.

Technical specifications

• Standard spacing: 200 mm ± 100 mm.
• Useful life: 8-20 years.
• Typical weight: 20 kg/m linear.

Pantograph Primary Seal (PT1)

General Description

The PT1 Pantograph seal is designed to ensure continuous tightness in large floating roof tanks, providing reliable performance even under demanding conditions.

Key benefits

• 100% compatible with aromatic products.
• Installation in service without the need to stop operations.
• Flexible design ensures continuous contact with the tank.

Design and construction

• Pantograph system with flexible sealing rings.
• Compatible with Teflon, polyurethane and calcium silicate membranes.

Technical specifications

• Useful life: 10-25 years.
• Typical weight: 45 kg/m linear.

Secondary seals complement the primary seals, providing a second layer of protection against vapors and contaminants. Their modular and adaptable designs integrate seamlessly with any storage tank.

Compression Sheet Metal Seals

General Description

Our compression sheet seals, with lips available in L, U, I or P types, are designed to provide reliable sealing on floating roofs and are ideal for storage tanks handling crude and refined products due to their robust and adaptable construction.

Key benefits

• High compatibility with aromatic products.
• Rugged galvanized or stainless steel construction.
• Complies with API 650 and environmental regulations.

Design and construction

• Reinforced compression plates.
• Teflon, polyurethane or calcium silicate vapor barrier membranes.

Technical Specifications

• Useful life: 10-20 years.
• Typical weight: 15 kg/m linear.

Compression plate (CPL5, CPP, CPI, CPU)

We offer a range of secondary compression-plate seals available in five configurations: L (CPL5), P (CPP), I (CPI), U (CPU) and Double Sheet (DL5). These options adapt to different customer specifications, offering versatile solutions that guarantee continuous, reliable and efficient sealing in any type of tank.

Key benefits

• Compliance with international standards (API 650).
• Minimizes evaporation and reduces emissions.
• Easy installation and maintenance in service.

Design and construction

• Manufactured in galvanized or stainless steel.
• Compression system that guarantees uniform contact with the tank casing.

Technical specifications

• Useful life: 10-25 years.
• Typical weight: 15-25 kg/m linear (depending on model).

Double Compression Plate (DL5)

General Description

The dual compression-plate design combines the functionality of a primary and secondary seal, providing exceptional performance in vapor containment and environmental control.

Key benefits

• 100% compatible with aromatic products.
• Efficient design for in-service installation.

Design and construction

• Reinforced structure ensures continuous sealing.

Technical specifications

• Useful life: 10-20 years.
• Typical weight: 20 kg/m linear.

Our seals for internal floating screens are designed to ensure operational efficiency and safety in the handling of stored products. With versatile and adaptable options, these seals are ideal for tanks that require reliable, high-performance solutions.

Primary seals

Primary seals play a crucial role in sealing storage tanks, preventing evaporation and complying with environmental regulations. We design a variety of options to suit different configurations and types of stored products.

Mini-Shoe Primary Seal (MSH)

General Description

The Mini-Shoe (MSH) is a mechanical primary seal designed for internal floating screens. This seal combines mechanical strength and chemical durability, ensuring effective sealing in a variety of industrial applications.

Key benefits

• Adaptable to different tank diameters.
• Easy installation, repair and inspection.
• Compatible with aromatic and refined products.

Design and construction

• Metallic components in galvanized or stainless steel.
• Flexible system that maintains constant contact with the tank casing.

Technical specifications

• Useful life: 10-20 years.
• Typical weight: 15 kg/m linear.

Delta Primary Seal (DLT)

General Description

The Delta seal is specifically designed for internal floating screens, offering a balance between flexibility and chemical resistance. It is ideal for tanks storing refined products and specialty chemicals.

Key benefits

• Installation in service without interruptions.
• Complies with API 650 and other international standards.
• 100% compatible with aromatic products.

Design and construction

• Sealing system encapsulated in high resistance membranes.
• Metal components designed to minimize wear.

Technical specifications

• Useful life: 8-20 years.
• Typical weight: 18 kg/linear m.

Graver Primary Seal (GVR)

General Description

The Graver seal is designed for internal and external floating screens, offering a reliable solution to reduce evaporation and ensure tightness in storage tanks.

Key benefits

• Compatible with aluminum and steel floating ceilings.
• Fast installation and no operational interruptions.
• Materials designed to resist abrasion and aggressive chemicals.

Design and construction

• Sealing membranes reinforced with polyurethane coated fabric.
• Encapsulated foam for effective and flexible sealing.

Technical specifications

• Aromatic service: 100%.
• Useful life: 8-20 years.
• Typical weight: 20 kg/m linear.

Secondary seals

Secondary seals complement the primary seals, providing a second layer of protection against vapors and contaminants. Their modular and adaptable designs integrate seamlessly with any storage tank.

Wiper Secondary Seal (WPR)

General Description

The Wiper seal is uniquely designed to ensure tightness in internal tank screens, maximizing operational efficiency and reducing product losses.

Key benefits

• Compatible with aluminum and carbon floating roofs.
• Quick installation and easy maintenance.
• Exceptional chemical resistance.

Design and construction

• Flexible and abrasion resistant materials such as PVC, XLPE and urethane.

Technical specifications

• Temperature range: -60°C to 105°C.
• Standard dimensions: 310 mm long.

Gaiters

General Description

Gaiters are specialized accessories designed to complement industrial tank sealing systems. They offer additional protection and flexible sealing to maximize operational efficiency and ensure system durability.

Key benefits

• Compatible with a wide range of stored products.
• Easy and fast installation.
• High resistance to abrasion and chemical wear.

Design and construction

• Reinforced materials for demanding environments.
• Compatible with high strength sealing membranes.

Technical specifications

• Useful life: 10-20 years.
• Typical weight: Variable according to configuration.