Reaffirmed 2024

1. SCOPE

This standard specifies the types and the technical requirements of screens and slotted pipes used in tube wells. Further, it gives detailed specifications, selection criterion, testing and inspection methods for wire wound cage type well screens.

2. REFERENCES

The following standards contain provisions which through reference in this text, constitute provisions 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 indicated below:

280 : 2006 Mild steel wire for general engineering purposes (fourth revision)

3168 : 1981 Specification for brass strip and foil for deep drawing (first revision)

1239 (Part 1) : 2004 Steel tubes, tubulars and other wrought steel fittings: Part 1 Steel tubes - Specifications (sixth revision)

4270 : 2001 Steel tubes used for water wells - Specifications (third revision)

4412 : 1981 Specification for copper wires for general engineering purposes (first revision)

6528 : 1995 Stainless steel wire - Specifications (first revision)

6911 : 2017 Stainless steel plate, sheet and strip - Specification (second revision)

7887 : 1992 Mild steel wire rod for general engineering purposes - Specifications (first revision)

10500 : 2012 Drinking water - Specification (second revision)

10151 : 1982 Specification for polyvinyl chloride (PVC) and its copolymers for its safe use in contact with foodstuffs, pharmaceuticals and drinking water

NOTE - Brass strips as per IS 3168 for making brass screens, in which lead (Pb) content is lower (0.05 percent to 0.10 percent) may be used. In case of water wells for drinking water purposes, the quality of water should be as laid down in IS 10500.