New Standard from Last Update.

1. SCOPE

1.1 This standard (Part 2) covers requirements for assessment and water efficiency rating of sanitary fittings, such as faucets (taps) and showerheads for their performance based on water efficiency, which are in addition to the requirements specified in relevant Indian Standards as applicable.

NOTE — The terms taps and faucets have been used synonymously.

1.2 This standard applies to the following products:

a) Faucets (Lavatory faucets and sink faucets); and

b) Showerheads (hand held showers, overhead showers and hand held ablution spray).

1.3 This standard is an adjunct to the concerned Indian Standards on taps and showers, with respect to additional requirements for water efficiency.

1.4 Certain minimal pressure is required for the functional aspects of these water efficiency rated products which would need to be verified from the manufacturer, however, this standard states the respective flow rates under various water efficient ratings as its maximum flow for the maximum pressure of 0.42 MPa.

2. REFERENCES

The Indian Standards given below 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 agreement based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standards given below:

8931 : 2021 Copper alloy single taps, stop valves, combination tap assembly and single lever mixer for water services — Specification (second revision)