Reaffirmed 2022

1. SCOPE

This specification covers the requirements regarding material, dimensions, workmanship, performance and marking of the following types of UPVC fittings used for preparation of suction and delivery lines of agricultural pumps:

Couplers

Bends 90º

End Pieces ( or Tail Pieces )

Reducer Couplers

Male Threaded Pieces ( MTPs )

Female Threaded Pieces ( FTPs )

Reducer Threaded Pieces

End Piece Rings

NOTE - These fittings are fabricated from the UPVC pipes specified in IS 12231 : 1987.

2. REFERENCES

The Indian Standards listed below are the necessary adjuncts to this standard:

554 : 1985 Dimensions for pipe threads where pressure-tight joints are made on threads ( third revision )

1536 : 1989 Centrifugally cast ( spun ) iron pressure pipes for water, gas and sewage ( second revision )

4905 : 1968 Methods for random sampling

4985 : 1988 Specification for unplasticised PVC pipes for potable water supplies ( second revision )

12231 : 1987 Specification for UPVC ( rigid ) pipes for use in suction and delivery lines of agricultural pumps

12235 (Part 8) : 1986 Method of test for unplasticised PVC pipes for potable water supplies : Part 8 Internal hydrostatic pressure test