This standard covers the requirements for cast iron pipes for pressure main lines of water, gas and sewage manufactured by vertical casting in sand moulds.
1.2 This standard is applicable to pipes with sockets (for lead joints) or flanges. The standard may also be made applicable to other types of joints specially rubber joints, where overall measurements shall be adhered to, to ensure interchangeability.
IS 1537-1976 history
1976IS 1537-1976 Specification for vertical cast iron pressure pipes for water, gas and sewage