IS 11722 : 1986 Thin walled flexible quick coupling pipes

1 Scope

1.1 This standard covers the requirements of electric resistanceand induction welded steel pipes, protected by hot-dip galvanizing,using various types of flexible quick couplers.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 513 :1973Specification for cold rolled carbon steelsheets and strips

IS 1239 : Part 1 :1979 Specification for mild steel tubes,tubularsand other wrought steel fittings:Part 1 Mild steel tubes

IS 1387 :1967General requirements for the supply ofmetallurgical materials

IS 1894 :1972Method for tensile testing of steel tubes

IS 2328 :1983Method for flattening test on metallic tubes

IS 4711 :1974Methods of sampling of steel pipes, tubes andfittings

IS 4736 :1968Specification for hot-dip zinc coatings onsteel tubes

IS 5382 :1969Rubber sealing rings for gas mains, water mainsand sewers