
The storage water tanks increasing global emphasis on renewable energy and sustainable solutions has led to a surge in the adoption of solar water heating systems. Among these, the All Glass Evacuated Tubes Solar Water Heating Systems have emerged as a popular choice due to their efficiency and cost-effectiveness. Central to their functionality is the storage water tank, which ensures the availability of hot water throughout the day. The IS 16542: 2016 standard outlines the quality and performance criteria for these tanks, ensuring their reliability and durability.
Organizations like Diligence Certifications play a crucial role in guiding manufacturers through the compliance process, helping them obtain BIS Certification for Storage Water Tank and ensuring adherence to the highest quality standards. This blog delves into the significance of IS 16542: 2016, its applications, BIS certification process, testing requirements, and the role of Diligence Certifications.
Key Highlights
Aspect | Details |
Standard Name | IS 16542: 2016 |
Application | Storage water tanks for solar water heating systems |
Certification Authority | Bureau of Indian Standards (BIS) |
Testing Requirements | Thermal performance, pressure testing, material durability |
Role of Diligence Certification | Expertise in BIS certification and regulatory compliance |
Key Benefits | Ensures quality, enhances customer trust, and enables market access |
Application of Storage Water Tanks in Solar Water Heating Systems
The storage water tank in a solar water heating system is pivotal to its functionality. These tanks store the heated water, ensuring a steady supply for various applications. Key applications include:
- Residential Use:
- Providing hot water for bathing, cooking, and cleaning.
- Enhancing energy efficiency by reducing reliance on electric geysers.
- Commercial Use:
- Used in hotels, hospitals, and hostels for large-scale hot water requirements.
- Cost-effective solution for industries with high water heating demands.
- Industrial Use:
- Supporting manufacturing processes requiring hot water.
- Aiding in sustainable energy practices for industries.
BIS Certification Process for Storage Water Tanks
Obtaining BIS Certification for Storage Water Tank ensures compliance with IS 16542: 2016 and builds trust among consumers. The certification process involves several stages:
- Application Submission:
- The manufacturer submits an application to BIS along with necessary documentation.
- Sample Testing:
- The storage water tank samples are tested in a BIS-recognized laboratory for compliance with IS 16542: 2016 standards.
- Factory Inspection:
- BIS officials inspect the manufacturing facility to verify quality control processes and infrastructure.
- Certification Grant:
- Upon successful testing and inspection, BIS grants the certification, allowing the manufacturer to use the ISI mark.
- Surveillance and Renewal:
- Regular inspections and testing ensure ongoing compliance with the standards.

Quality and Testing Requirements
To ensure the performance and durability of storage water tanks, stringent quality and testing requirements are mandated under IS 16542: 2016. The key testing parameters include:
- Thermal Performance Testing:
- Verifies the tank’s ability to maintain water temperature over time.
- Pressure Testing:
- Ensures the tank can withstand internal pressure without leakage or deformation.
- Material Testing:
- Assesses the durability and corrosion resistance of the tank material.
- Insulation Performance:
- Tests the insulation’s effectiveness in minimizing heat loss.
- Leakage and Sealing Tests:
- Checks for water tightness to prevent leakage.
List of Equipment Required for Testing
Testing storage water tanks for compliance with IS 16542: 2016 requires specialized equipment. Some essential tools include:
- Thermal Conductivity Meter:
- Measures the insulation material’s thermal performance.
- Pressure Gauge:
- Monitors internal pressure during pressure tests.
- Corrosion Test Chamber:
- Simulates harsh environmental conditions to test material durability.
- Temperature Sensors:
- Tracks temperature changes within the tank.
- Water Leakage Testing Equipment:
- Ensures the tank is free from leaks and adequately sealed.
- Calibrated Flow Meters:
- Measures water flow during operational tests.
Importance of BIS Certification for Storage Water Tank
The BIS Certification for Storage Water Tank under IS 16542: 2016 offers numerous benefits to manufacturers, distributors, and end-users:
- Assurance of Quality:
- Certification guarantees the tank’s compliance with national standards, ensuring reliability and performance.
- Market Access:
- BIS certification is often a prerequisite for selling products in the Indian market.
- Consumer Confidence:
- The ISI mark signifies trust and quality, influencing customer purchasing decisions.
- Regulatory Compliance:
- Avoids legal and regulatory issues by adhering to prescribed standards.
- Competitive Advantage:
- Certified products stand out in the market, giving manufacturers an edge over uncertified competitors.
Role of Diligence Certifications
Achieving BIS certification can be a complex process, requiring in-depth knowledge of standards and compliance procedures. Diligence Certification simplifies this journey by offering:
- Expert Consultation:
- Guidance on IS 16542: 2016 requirements and documentation.
- End-to-End Support:
- Assistance with application submission, testing, and factory inspections.
- Customized Solutions:
- Tailored strategies to address specific manufacturing challenges.
- Training and Education:
- Workshops and training sessions on compliance and quality assurance.
- Continuous Monitoring:
- Keeping manufacturers updated on regulatory changes and certification renewals.
By partnering with Diligence Certifications, manufacturers can streamline the certification process, ensuring timely compliance with IS 16542: 2016.
Conclusion
The IS 16542: 2016 standard is vital for ensuring the safety, quality, and performance of storage water tanks used in solar water heating systems. As the demand for sustainable energy solutions grows, adherence to these standards becomes increasingly important for manufacturers.
Obtaining Certification for Storage Water Tank not only ensures compliance but also enhances marketability, consumer trust, and competitive advantage. Organizations like Diligence Certification play a crucial role in simplifying the certification process, helping manufacturers achieve and maintain compliance with national standards.
In a rapidly evolving market focused on sustainability and quality, investing in BIS certification is not just a regulatory requirement but a strategic step toward long-term success. Partner with Diligence Certifications to navigate this process seamlessly and position your business as a leader in the renewable energy industry.