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- IS 3818:1992 deals with material specifications, size, finish, and performance characteristics for continuous (piano) hinges to be used on doors, shutters, and cabinets.
- These hinges have to be produced using approved materials such as steel or brass to make them stronger, more durable, and resistant to corrosion.
- The load-bearing, endurance, and operational smoothness tests are to be carried out by BIS-approved laboratories.
- Companies are required to adopt quality control systems that are BIS-approved, while their factories are inspected periodically.
- The presence of the ISI-marked hinges ensures conformity with the safety, reliability, and durability requirements for goods sold in India.
Introduction
The IS 3818:1992 Certification by Bureau of Indian Standards (BIS) for Continuous (Piano) Hinges assures customers that the piano hinges being utilized in doors, cabinets, shutters, and furniture are in compliance with Indian standards of strength, endurance, and easy movement. Continuous piano hinges are utilized in their entire length on a door or panel, giving even distribution of loads. Since these piano hinges are of utmost importance to panels with motion safety and endurance, their quality is of direct relevance to safety and endurance. To ensure that high-quality piano hinges are provided to Indian consumers, the Bureau of Indian Standards (BIS) specifies IS 3818:1992.
What is IS 3818:1992?
IS 3818:1992 is an Indian Standard that lays down requirements regarding the quality and performance characteristics of continuous (piano) hinges intended for installation in doors, closets, furniture, and shutters. Material, size, manufacturing tolerance, surface finish, and protection against corrosion are laid down by IS 3818:1992. In addition, hinges are required to be subjected, in a BIS recognized laboratory, to tests of load, endurance, and functioning. IS 3818:1992 certification under BIS ensures that continuous hinges are safe, reliable, and suitable for common as well as heavy usage.
Key Points:
- Determines material, size, and construction requirements of continuous (piano) hinges.
- It ensures that there are even supports from the hinges.
- Defines the surface finish and protection from corrosion.
- Must undergo testing for strength, endurance, and functional capability in BIS-approved labs.
- The products marked with “ISI” indicate that they meet BIS’s quality and safety norms.
Why is BIS Certification Mandatory
BIS Certification is compulsory on continuous (piano) hinges manufactured and sold in India to ensure their conformity to the quality, safety, and performance specified under IS 3818:1992. Continuous hinges in doors, cabinets, and shutters are crucial in nature and may result in safety hazards, impediment in functionality, and short service life if failed. Compulsory certification ensures that only such products, manufactured from approved materials under controlled conditions and tested for load, durability, and resistance to corrosion, are offered to the market. The ISI mark on the certified hinges would give enough confidence to the consumers, builders, and industries that the product conforms to Indian Standards and provides reliable and durable performance.
Key Reasons:
- The function of this standard is to ensure the minimum strength requirement of the hinges used in the product is satisfied.
- Verifies the usage of only approved quality materials in the manufacturing process.
- To ensure hinges are tested for load, endurance, and resistance to corrosion.
- Prevents the sale of substandard and unsafe products within the Indian market.
- The “ISI” mark provides consumer assurance regarding the quality, safety, and reliability of the product.
Importance and Benefits of BIS Certification
| Importance | Benefits |
| Ensures adherence to Indian specifications concerning the quality and safety of continuous hinges. | It offers high durability and a long lifespan to hinges. |
| Ascertains that hinges have sufficient strength for support and function. | Facilitates smooth functioning of the door and shutter. |
| Prevents the production and manufacture of low-quality products in the market. | Establishes customer trust with the ISI quality mark. |
| Preserves the integrity and security of the users, developers, and producers. | Reduces maintenance and replacement costs. |
| Encourages uniformity and standardization in both imported and domestic hinge manufacturing in India. | Improves market acceptability and legal Pronounce-ability by the manufactures. |
Step-by-Step Process of BIS Certification
Step1:Documentation
- Collect required technical documents
- Prepare product specifications
- Gather company registration details
- Ensure documents follow BIS format
Step2:Product Testing
- Send samples to a BIS-approved lab
- Conduct safety and quality tests
- Receive test reports
- Confirm compliance with BIS standards
Step3:Application Submission
- Fill out the BIS application form
- Upload all required documents
- Attach valid test reports
- Pay the necessary BIS fees
Step4:Scrutiny and Inspection
- BIS reviews submitted documents
- Authority verifies test results
- Factory/product inspection may occur
- Clarifications requested if needed
Step5:Grant of License
- BIS approves the application
- License number is issued
- Product can carry BIS mark
- Renewal required before expiry
Documents Required for BIS Certification
| Category | Documents Required |
| Business Documents | Business license/registration, ISO certificate, organizational details |
| Manufacturer Details | Factory layout, process flow chart, machinery list, production details |
| Product Documents | Product specifications, component list, user manual, model details |
| Testing Documents | Test report from BIS-recognized lab, sample details, test request form |
| Legal & Compliance | Authorization letter, brand ownership proof, trademark certificate (if any) |
| Import/Foreign Manufacturer (If applicable) | AIR (Authorized Indian Representative) details, contract agreement, overseas manufacturer documents |
Timelines, Costs, Validity & Renewal
- Timelines: Usually from 20 to 30 days, with only 7-15 days for the testing.
- Costs: The cost of the government and the test varies depending on the product. There can be some additional charges though.
- Validity: The validity period is 2 years in most situations.
- Renewal: The renewal is done before the expiration; there should be updated documents/tests; the renewal
Why Choose Diligence Certifications
Diligence Certifications is a reliable compliance and regulatory advisory consultancy that offers a comprehensive services package related to BIS, ISI, and other product certifications that function in India. With its thorough knowledge of BIS norms related to continuous (piano) hinges as specified in IS 3818:1992, Diligence Certifications ensures hassle-free and time-saving product certifications for businesses. Be it documentation, product testing, or final product license approval after inspection at factories, Diligence Certifications provides businesses with comprehensive support to ensure that products are either already compliant with Indian regulations at the time of product import or meet Indian standards at an affordable cost.
Conclusion
The necessity of BIS Certification for Continuous (Piano) Hinges as per IS 3818:1992 needs no emphasis at all when it comes to standards of quality and performance. As continuous hinges are most commonly found in doors, cabinets, and shutters, BIS certification will help ensure that these products fail less often and can easily be put to work. Also, BIS certification will also aid in acquiring consumer confidence, especially when it comes to the production of goods that require market and governmental standards to be fulfilled. It is therefore the need of the day that only quality continuous hinges be launched in the market as per IS 3818:1992 standards.
Frequently Asked Questions (FAQs)
What is IS 3818:1992 ?
This is the Indian standard that details quality, material, and performance specifications for continuous (piano) hinges.
What products fall under IS: 3818:1992?
Hinges, continuous (piano), for doors, cabinets, shutters, and furniture.
Is it necessary to have piano hinges be certified by BIS?
Yes, manufacturing and selling of continuous hinges is compulsory in India.
Which materials does this standard allow?
Among the approved materials used for this purpose are steel and brass.
What tests will be required?
Tests for load-carrying, endurance, corrosion resistance, and smooth operation.
What are the people who carry out these
Testing is carried out in laboratories recognized by BIS.
What is the “ISI Mark”?
This is a hallmarking that assures the product is BIS compliant.
What is the duration of the BIS license?
Normally, this license will last for 2 years.
How important is BIS certification?
This includes assuring safety, strength, and compliance with Indian standards of quality.
Can imported hinges get BIS certification?
Yes, through an Authorized Indian Representative (AIR).
