Double-acting spring hinges are specialized hinges with a spring mechanism that regulates the movement of the door and allows it to swing open in both directions. By using the tension in the springs, these hinges are designed to automatically restore the door to its closed position after it has been pushed open from either direction. They are frequently utilized in commercial environments where doors must swing freely in both directions for accessible and efficient traffic flow, such as restaurants, hospitals, or retail stores. These hinges' spring system helps to automatically close doors, minimize drafts, manage noise, and preserve privacy, which makes them a sensible option for a variety of high-traffic situations.
Under IS 453: 1993, all double-acting spring hinges are now required to be certified by the ISI.
1.1 This standard outlines the requirements for the materials, measurements, production methods, surface treatments, and testing protocols for double-acting spring hinges and the matching blank hinges that are often used in swing doors.
Indian Standards Institute, or ISI was renamed the Bureau of Indian Standards (BIS) in 1987. The official mark that the Bureau of Indian Standards provides for manufacturers of various goods is the ISI Mark. It is used to indicate compliance with Indian standards (IS) set by the Bureau of Indian Standards (BIS) and has been used as a conformity marking for industrial products. Manufacturers received permission from BIS to use the ISI Mark on items that comply with relevant Indian requirements through the product certification program.
Only manufacturers (domestic or foreign) who produce the finished product will be awarded ISI Certification. This will not be given to any product importers, traders, dealers, or distributors.
The following documentation is required to get an ISI certification:
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There are two approaches for Indian manufacturers to become certified with the ISI Mark:
Regular Procedure
With the possible exception of cases deemed "All India first," which might take up to 180 days, the licensing procedure is expected to be finished in 120 days. This timeline starts on the day the application is received, assuming that at different points in time the documentation, unit assessment, and product conformance are all deemed acceptable.
Step 1: Manufacturing Unit Customization in Compliance with Applicable Indian Standards
Step 2: Submission of the Application Form
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Simplified Procedure
This is a much faster process than the standard procedure. After a factory inspection is deemed satisfactory and the initial evaluation establishes that the sample complies with the applicable Indian Standard(s), the license application process is expected to be finished in 30 days.
Step 1: Adapting the Manufacturing Unit to Comply with the Relevant Indian Standard
Step 2: Sample Testing
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The process of obtaining ISI Mark Certification for Foreign Manufacturers typically includes the following steps:
Step 1: Application
Step 2: Query Raised (If Any)
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Brand Liaison provides helpful support for achieving ISI Mark Certification. Among our offerings are:
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