Double-acting spring hinges

Updated on June 19, 2025 02:53:19 PM

It is within this sphere that manufacturing and construction components and sub-components and assemblies embrace the quality and reliability, that is so important for operational safety as well as utility. Of all these components, steel back flap hinges can be considered vital hardware applied in different fields such as furniture and industrial equipment. In the Indian market, it is mandatory for any company that seeks its products to conform to the set safety, or performance standards to undergo certification by the BIS. The Indian Standard IS 453:1993 provides guidelines for these hinges where issues of manufacturing materials, dimensions, and performance tests are highlighted. Besides, this standard is also aimed at guaranteeing the load-bearing and bending stiffness of hinges and contributing to the enhanced durability and corrosion resistance necessary for the part’s service life. Obtaining BIS certification under IS 453:1993 manufacturers are delighted by the figure as it leads to compliance with national standards and ultimately better customer confidence.

In this blog, we will explore the intricacies of IS 453:1993 Specifically, the following information will be disclosed the essential details of the testing methods used in the BIS certification process and the relevance of BIS certification based on the examination of the competitive market conditions. It is with great pleasure that we welcome you to continue with us to explore steel back flap hinges, as well as their importance to quality and safety in respective uses.

Understanding IS 453:1993

The Indian Standard IS 453:1993 is one of the measures that outlines the necessary criteria relating to double-acting spring hinges, which are considered to be vital units within different applications with specific emphasis on doors and gates. These hinges also allow doors to be opened from both the inside and the outside, which makes the item more useful to people. Here, the standard offers specifications concerning the material, size, fabrication, and performance characteristics of the door and the hinges to ensure functional reliability.

Under IS 453:1993, depending on the material used to construct double-acting spring hinges, it is available with mild steel and brass. According to the standard, the mild steel that is used must meet certain grades as stipulated in the IS 1079 requirement. Furthermore, the standard outlines the test procedures to validate the characteristics of these hinges e.g., the load-carrying capacity, the endurance limit, etc.

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Performance Requirements and Test Methods

The performance requirements for double-acting spring hinges are as per IS 453:1993, all the production methodologies and manufacturing processes developed are aimed at achieving reliability and durability in practical usage patterns. Key performance criteria include:

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Testing Methods

Testing methods outlined in IS 453:1993 are indispensable for the task of certifying compliance with the performance standards established. The following testing protocols are commonly employed:

These tests are crucial for manufacturers targeting BIS certification since many of them show compliance with quality standards.

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Laboratory Requirements

Testing labs for plastic shoes need to follow certain rules:

These rules are important to make sure the testing process is good and the results are reliable.

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Labeling and Marking Requirements

Proper labeling and marking are critical for identifying Steel back flap hinges with IS 453:1993. The standard specifies several key labeling requirements:

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Documents Required for BIS Certification

General Documents Technical Documents
GST Certificate Raw Material List
MSME Or Udyam Certificate (Not applicable for large-scale industries) Raw Material Test Certificate
Manufacturing land details (Lease Deed/ Rent agreement) Plant Layout (Lab, Office, Raw material area, Finished Goods area)
MOA/AOA (If Private Limited) Machinery List
Electricity Bill Location Layout
Authorization Letter Equipment List
QCI Adhaar Card Process Flow Chart and Description
QCI Appointment Letter NABL approved Calibration
QCI Degree Certificate Product Specific Declaration as per clause no
Owner’s Pan Card
Factory License
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BIS Certification Process

The BIS certification process for Steel back flap hinges involves several steps:

Step 1: Application Submission

Applications are filled including relevant documents that outline the production processes of the manufacturers.

Step 2: Factory Inspection

A BIS officer pays a visit to the manufacturing company in order to assess the levels of compliance with set regulations.

Step 3: Product Testing

The samples from the production batches are analyzed at the BIS-accredited laboratories.

Step 4: Issuance of License

As a result of the evaluation of these facilities and products, BIS grants permission to the manufacturers to use the ISI mark on their products.

Step 5: Surveillance Audits

To sustain the standards practice, normal assertions are carried out.

This is a process that the manufacturers need to understand so that they can get an efficient certification process.

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Importance of BIS Certification

BIS certification is crucial for several reasons:

This is a process that the manufacturers need to understand so that they can get an efficient certification process.

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Fees for BIS Certification

The government-approved fees for BIS certification of molded solid rubber soles and heels under IS 453:1993 are as follows:

Category Fee (INR)
BIS Application Fees 9,000

NOTE: BIS testing charge fees are subject to changes from time to time depending on the circulating governments’ policies on fee structure.

Thus, it is recommended to visit the official site of BIS or consult with a BIS registration consultant like Professional Utilities.

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Conclusion

In conclusion, adherence to IS 453:1993 is useful to manufacturers of double-acting spring hinges in India. The standard contains numerous materials and testing methods that as well as the labeling requirements and certification procedures required when establishing the quality and safety of the final products. Through certification, production organizations can improve their image on the market, comply with the legislative requirements of the country, and ultimately increase production sales.

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Frequently Asked Questions (FAQs)

What is IS 453:1993?

IS 453:1993 is an Indian standard that sets standard specifications for Double-acting spring hinges in terms of material quality, dimensions, process of manufacture, and performance standard test.

What is the importance of BIS certification?

The precise benefits of BIS certification are that it determines the safety and quality of the products hence enhancing acceptance in the market and bears the legal risks of the products.

How many days does it take to get BIS certification?

Industry average in India is approximately 30 days while the industry average in companies whose manufacturers are from other countries can reach up to 180 days.

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