LIST OF MANUFACTURERS OF NATURAL GAS DRIVEN GENSETS (UPTO 1000 KVA) WHO HAVE OBTAINED CONFORMITY OF PRODUCTION VERIFICATION CERTIFICATES (COP) FOR NOISE LIMITS

As per GSR 281(E); dated 7th March 2016 prescribed maximum permissible sound pressure level for Gensets driven by Natural Gases (NG) with rated capacity upto 800 kW shall be 75 dB(A) at 1 metre from the enclosure surface. Gensets should be provided with integral acoustic enclosure at the manufacturing stage itself. The noise norms shall be effective from the 1st January, 2017.

Following is the list of manufacturers of NG Gensets (upto 1000 KVA) who have valid Type Approval / Conformity of Production Verification obtained from any of the following Certification Agencies for compliance Noise Limits.

COP Year : 1st January - 31st December

Certification Agency


1)   Fluid Control Research Institute (FCRI)
2)   Automotive Research Association of India (ARAI)
3)   National Aeronautics Laboratories (NAL)
4)   International Centre for Automotive Technologies (ICAT)
5)   National Physical Laboratory, New Delhi (NPL)
6)   The National Test House, Ghaziabad (Uttar Pradesh) (NTH)
7)   Naval Science and Technology Laboratory, Visakhapatnam (Andhra Pradesh) (NSTL)

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