IS 5858 : Part 1 : 1970 : Accessories to Mechanical Ventilation Systems on Board Ships - Part I : Non-return Valves
UDC 621.646.248 : 629.12.06 | TED 17 |
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Reaffirmed 2022 |
Scope
1.1 This standard (Part I) specifies the material and the dimensions for non~return valves for use with mechanical ventilation systems on board ships.