BIS certification for continuous (piano) hinges IS 3818:1992

ISI/BIS certification is mandatory for continuous (piano) hinges as per IS 3818:1992. Continuous hinges are pieces of hardware that extend the entire length of a door, panel or lid. They are sometimes called piano hinges because they closely resemble the long, thin design of piano lid hinges. These hinges are distinguished by their smooth, continuous construction and interlocking knuckles or leaves throughout their length. To allow easy opening and closing of a door, panel or lid, continuous (piano) hinges provide stable weight support and distribution. They are renowned for their strength and are often used on toolboxes, furniture, musical instrument cases and other items where regular movement, balanced weight distribution and dependable performance are important.

Key highlights

Product Name	Continuous (Piano) hinges
Applicable Indian Standard	IS 3818: 1992
Applicable Certification Scheme	Product Certification Scheme (ISI Mark Scheme) Scheme 1 - Schedule 2
Compliance Requirement	Mandatory
QCO Link	Quality Control Order
Scope as per Standard	This standard lays down the requirements for continuous (piano) hinges.

Tests

The following are the major tests for Continuous (Piano) hinges.

Dimensions & Tolerances
Manufacture
Finish
Material

The market for continuous (piano) hinges is driven by the needs of various sectors that prioritize reliability, strength and uniform support. The widespread use of these hinges in many industries ensures continued demand.

Under IS 3818:1992, the ISI certification scheme mandates specific requirements to ensure the quality and performance of continuous (piano) hinges. According to this standard, the hinge knuckles should be straight and located at right angles to the flap. This precise alignment ensures smooth and effortless operation without any play or jerks during movement. The goal is to provide reliable and stable support, making these hinges ideal for applications requiring consistent and durable performance.

BIS Certification for Continuous (Piano) Hinges IS 3818

NOTE:

For Detailed Information about the Procedure for BIS ISI Certification, Visit :

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Procedure for Domestic Manufacturer
Procedure for Foreign Manufacturer

Timeline for BIS Certification Parliament hinges

The approximate timeline to obtain BIS Certification for continuous (piano) hinges to use ISI mark as Per IS 3818:1992 is given below:

For Indian Manufacturers (Standard Timeframe – 30 days)
For Foreign Manufacturers (Standard Timeframe – 180 days)

Conclusion:

The IS 3818:1992 standard outlines the production process requirements, required materials and conditions, and testing protocols for continuous (piano) hinges, ensuring that they meet the highest standards of quality and functionality.