1.1 This standard ( Part I ) covers general requirements for cast iron specials to be used with asbestos-cement pressure pipes for water, gas and sewage.
1.2 This standard ( Part I) is applicable to cast iron specials for use with asbestos-cement pressure pipes suitable for connection with cast iron detachable joints or asbestos-cement couplings.
IS 5531 Pt.1-1977 history
1977IS 5531 Pt.1-1977 Special specifications for cast iron for asbestos cement pressure pipes for water, gas and sewage Part Ⅰ General requirements