Is the 1993 edition of IS 8931 still valid?

No — BIS has withdrawn the 1993 edition. Specifications and BOQs citing IS 8931 : 1993 should reference IS 8931 : 2021 instead.

IS 8931 : 2021 — Copper alloy single taps, combination tap assemblies, stop valves and single lever mixers for water services — Specification (second revision) | current edition & where it's used

Q: What is the current edition of IS 8931?

The current edition is IS 8931 : 2021 — Copper alloy single taps, combination tap assemblies, stop valves and single lever mixers for water services — Specification (second revision), per the official BIS registry (July 2026 snapshot).

Edition history (per the BIS registry)

IS 8931 : 2021 — current edition
IS 8931 : 1993 — withdrawn by BIS

Where this standard is used on NirmanDost

Plain-language DSR recipes

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Find IS 8931 on the official BIS portal All IS codes used on NirmanDost

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Notes

Status and titles come from the official BIS published/withdrawn standards registry (standards.bis.gov.in exports, July 2026 snapshot). Editions change — verify on the BIS portal before contractual use.
The standard text is copyright BIS. NirmanDost shows registry metadata and links to the official source only — it never rehosts the document.
Generated 2026-07-27.