Revised Standard from Last Update.

1. SCOPE

1.1 This standard covers the requirements for centrifugally cast (spun) iron pipes for pressure main lines for water, gas and sewage, manufactured in metal (lined or unlined) or sand lined moulds. By sand it is to be understood, sand or mineral based materials used in foundry trade irrespective of the type of bonding agents.

1.2 This standard is applicable to cast iron pipes having socket/spigot (push on flexible) or flanges as specified in this standard. Increasing use is being made of various forms of Mechanical and or differently designed ‘push-on’ flexible joints, it is not possible to include such joints in this standard without restricting their future development. This standard is also applicable to such mechanical and push-on joints, apart from what is specified in the Standard, whose inner profile of socket end and spigot end of the pipe shall depend on the type of rubber gasket ensuring that the overall dimensions are maintained for reasons of safety and interchangeability.

NOTE - The word ‘push-on flexible joint’ have been referred as ‘push-on joint’ hence forth in this standard.

2. REFERENCES

The standards listed in Annex C contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed in Annex C.