Sintex Classic Double Wall (DW)

The Iconic Sintex Kaali Tank is a symbol of India's heritage, known for its long legacy and trusted quality. Made from 100% food-grade virgin plastic, it ensures safe storage of water. Its multi-ribbed design offers enhanced strength and durability for long-lasting performance. Available in a wide range of capacities from 500L to 25,000L, this tank is ideal for all needs. Offered in white and black, it comes with a 10-year warranty, making it a reliable and enduring choice for every home and business.

Sintex Classic Double Wall - The Tank That Became a Legacy

Some products become merely a utility, while others become an integral part of life. The Sintex Classic double wall tank belongs to the second category. Across cities, towns, and villages, this iconic tank has stood on rooftops as a trusted symbol of durability and purity. When someone says kaali tanki, everyone already knows what it means. That trust did not happen overnight. We earned it through commitment, quality, and years of reliability.

The classic double wall water tank represents strength, safe storage, and long-lasting performance. At Sintex, we take pride in creating solutions that blend tradition with innovation, so every home and business can rely on a dependable water storage system without worry. From extreme summers to monsoons and winters, this tank has proven its stability across climates and usage conditions.

Built With Purpose

A storage tank is not just about storing water. It is about safety, hygiene, and peace of mind. The Sintex Classic double wall  tank is engineered with thoughtful features that make everyday use effortless and secure. Key highlights:

• Anti-algae formulation to keep stored water clear and fresh
• ROHS European standard compliance for safety
• 100 per cent UV stability to prevent cracking and fading
• Threaded lid with UV protection for secure closure
• 100 per cent food-grade virgin plastic for purity
• Ultra durable multi-ribbed body for stability
• Available from 500L to 25,000L to suit every requirement

Every layer and detail is created with purpose, ensuring the tank remains strong for years without compromising quality. This makes the Classic double wall  water tank  one of the most preferred choices in the country.

Designed For Indian Conditions

Our climate demands strength. Scorching sun, dust, humidity, and temperature variations can weaken ordinary tanks. The Sintex Classic double wall construction shields the tank from UV damage, algae growth and structural weakness over time. The double layer body ensures strength from the inside and resilience on the outside.

This technology allows the classic double wall tank ​to remain stable, leak-resistant, and impact-tolerant even after years of usage. Whether the tank is installed on a terrace, in a garden, on a building, or on an industrial structure, its performance remains consistent.

Storage Options For Every Space

Every household and industry has different water consumption needs. That is why the Sintex Classic double wall  series comes in multiple size configurations, ranging from compact domestic capacity models to large-scale storage solutions. Available capacities:

• 500L
• 750L
• 1000L
• 1500L
• 2000L
• 5000L
• 10000L
• 25000L

With this flexibility, the classic double wall  tank fits perfectly in apartments, independent homes, factories, schools, hospitals, restaurants, and commercial buildings.

Why People Trust This Tank

There are reasons why it remains one of the most recommended choices across India:

• Stronger body structure and superior resilience
• Safe and hygienic material for drinking purposes
• Low maintenance and long lifespan
• Weather-resistant and fade-proof
• Easy cleaning and installation

For many families, selecting the Sintex Classic double wall tank means choosing a product that has already proven itself for decades.

Quick Comparison Table

Suitable For Many Uses

The Classic double wall  tank can be used for:

• Drinking water storage
• Household usage
• Agricultural irrigation
• Commercial supply
• Industrial process storage
• Rainwater harvesting

This versatility is one of the biggest advantages of choosing the Sintex Classic double wall  tank  model.

Built To Last

Durability is not just a feature; it's a key aspect. It is a promise. The engineering and material science behind the Classic double wall  tank ensure long-term usage without deformation or leakage. The strong exterior does not crack easily, and the interior remains smooth, safe, and clean.

Every tank also comes with a long warranty, providing complete confidence in the purchase. When you install a Sintex Classic double wall tank, you install reassurance.

Maintenance Made Simple

Cleaning and upkeep are easy because the interior does not allow algae formation and does not react with stored water. The threaded lid provides secure closure while also enabling convenient access during cleaning cycles. The structure of the Classic double wall  tank eliminates unnecessary maintenance costs, saving time and effort.

A Trusted Choice For Generations

When a tank performs well for years and becomes part of a daily routine, it becomes more than just a product. The Sintex Classic double wall model has achieved that acceptance nationwide. With millions of installations across India, it remains a symbol of trust.

We are proud that families and industries continue choosing the classic double wall  tank for reliability and safety.

Your Reliable Water Storage Partner!

When you choose the Sintex Classic double wall series, you choose a tank that protects water purity while delivering long-lasting performance. Strength, safety, and trust make it the preferred classic double wall water tank for countless homes and businesses across India.

If you’re ready for a tank that serves you for years with confidence and quality, the Sintex Classic double wall is the perfect match.