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Cylinder, Valves and Regulator
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| 502 |
Liquefied petroleum gas containers for automotive use |
IS 14899 |
2016-11-22 |
QCO for Liquefied petroleum gas containers for automotive use |
| 503 |
Multifunction valve assembly for permanently fixed LPG containers for automotive use |
IS 15100 |
2016-11-22 |
QCO for Multifunction valve assembly for permanently fixed LPG containers |
| 504 |
Welded low carbon steel cylinders exceeding 5 litre water capacity for low pressure liquefiable gases – Part 4 Cylinders for toxic and corrosive gases |
IS 3196 (Part 4) |
2016-11-22 |
QCO for Welded low carbon steel cylinders – Part 4 |
| 505 |
Welded low carbon steel gas cylinders exceeding 5 litre water capacity for low pressure liquefiable gases – Part 1 LPG cylinders |
IS 3196 (Part 1) |
2016-11-22 |
QCO for Welded low carbon steel gas cylinders – Part 1 |
| 506 |
Welded low carbon steel gas cylinders exceeding 5 litre water capacity for low pressure liquefiable gases – Part 2 Other than LPG |
IS 3196 (Part 2) |
2016-11-22 |
QCO for Welded low carbon steel gas cylinders – Part 2 |
| 507 |
Valve fittings for compressed gas cylinders excluding liquefied petroleum gas cylinders |
IS 3224 |
2016-11-22 |
QCO for Valve fittings for compressed gas cylinders |
| 508 |
Yoke Type Valve Connection for Small Medical Gas Cylinders |
IS 3745 |
2016-11-22 |
QCO for Yoke Type Valve Connection for Small Medical Gas Cylinders |
| 509 |
Welded low carbon steel cylinders for low pressure liquefiable gases not exceeding 5 litre water capacity |
IS 7142 |
2016-11-22 |
QCO for Welded low carbon steel cylinders not exceeding 5 litre water capacity |
| 510 |
Refillable seamless steel gas cylinders – Part 1 Normalized steel cylinders |
IS 7285 (Part 1) |
2016-11-22 |
QCO for Refillable seamless steel gas cylinders – Part 1 |
| 511 |
Refillable seamless steel gas cylinders – Part 2 Quenched and tempered steel cylinders |
IS 7285 (Part 2) |
2016-11-22 |
QCO for Refillable seamless steel gas cylinders – Part 2 |
| 512 |
Valve fittings for gas cylinder valves for use with breathing apparatus |
IS 7302 |
2016-11-22 |
QCO for Valve fittings for gas cylinder valves for breathing apparatus |
| 513 |
Welded and seamless steel dissolved acetylene gas cylinders |
IS 7312 |
2016-11-22 |
QCO for Welded and seamless steel dissolved acetylene gas cylinders |
| 514 |
Valve fittings for use with liquefied petroleum gas cylinders of more than 5 litre water capacity – Part 2 LPG valve fittings |
IS 8776 (Part 2) |
2016-11-22 |
QCO for Valve fittings for use with LPG cylinders – Part 2 |
| 515 |
Valve fittings for use with liquefied petroleum gas (LPG) cylinders up to and including 5-litre water capacity |
IS 8776 |
2016-11-22 |
QCO for Valve fittings for use with LPG cylinders up to 5-litre water capacity |
| 516 |
Low pressure regulators for use with liquefied petroleum gas (LPG) mixtures |
IS 9798 |
2016-11-22 |
QCO for Low pressure regulators for use with LPG mixtures |
| 517 |
Plugs and socket-outlets of Rated Voltage up to and including 250 Volts and Rated current up to and including 16 amperes |
IS 1293:2005 |
2021-06-07 |
QCO for Plugs and socket-outlets of Rated Voltage up to and including 250 Volts and Rated current up to and including 16 amperes
Amendment QCO for Plugs and socket-outlets of Rated Voltage up to and including 250 Volts and Rated current up to and including 16 amperes
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| 518 |
Alternating Current Direct Connected Static Prepayment Meters for Active Energy (Class 1 and 2) |
IS 15884:2010 |
2021-06-07 |
QCO for Alternating Current Direct Connected Static Prepayment Meters for Active Energy (Class 1 and 2)
Amendment QCO for Alternating Current Direct Connected Static Prepayment Meters for Active Energy (Class 1 and 2)
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Plywood and Wooden Flush Door Shutters
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| 519 |
Fire retardant plywood |
IS 5509:2021 |
2025-02-28 |
Amendment QCO in Fire retardant plywood 2024 |
| 520 |
Plywood for general purposes |
IS 303:1989 |
2025-02-28 |
Amendment QCO in Plywood for general purposes 2024 |
| 521 |
Wooden flush door shutters (solid core type) – Plywood face panels |
IS 2202 (Part 1):1999 |
2025-02-28 |
No downloads available |
| 522 |
Marine plywood |
IS 710:2010 |
2025-02-28 |
Amendment QCO in Marine plywood 2024 |
| 523 |
Veneered decorative plywood |
IS 1328:1996 |
2025-02-28 |
Amendment QCO in Veneered decorative plywood 2024 |
| 524 |
Wooden flush door shutters (cellular and hollow core type) – Particle board and hardboard face panels |
— |
2025-02-28 |
Amendment QCO in Wooden flush door shutters (cellular and hollow core type) |
| 525 |
Wooden flush door shutters (cellular and hollow core type) – Plywood face panels |
IS 2191 (Part 1) : 2022 |
2025-02-28 |
Amendment QCO in Wooden flush door shutters (cellular and hollow core type) – Plywood face panels |
| 526 |
Wooden Flush Door Shutters (Solid core type) – Particle Board, High Density Fibre Board, Medium Density Fibre Board and Fibre Hardboard Face Panels |
— |
2025-02-28 |
Amendment QCO in Wooden Flush Door Shutters (Solid core type) |
| 527 |
Plywood for concrete shuttering works – Specification |
IS 4990 : 2011 |
2025-02-28 |
Amendment QCO in Plywood for concrete shuttering works – Specification 2024 |
| 528 |
Structural plywood – Specification |
IS 10701 : 2012 |
2025-02-28 |
Amendment QCO in Structural plywood – Specification 2024 |
| 529 |
Plywood for general purposes |
IS 303 : 1989 |
2024-02-29 |
QCO for Plywood for general purposes IS 303 : 1989 |
| 530 |
Wooden flush door shutters (solid core type) – Plywood face panels |
IS 2202 (Part 1) : 1999 |
2024-08-29 |
QCO for Wooden flush door shutters PART-1 (solid core type) – Plywood face panels |
