DS 521
Rubber sealing rings for water and waste-water piping
inactive
| Organization: | DS |
| Publication Date: | 18 August 1989 |
| Status: | inactive |
| Page Count: | 6 |
| ICS Code (Drainage systems): | 91.140.80 |
| ICS Code (Water supply systems): | 91.140.60 |
| ICS Code (Seals): | 83.140.50 |
scope:
The standard specifies requirements and methods of test for solid rubber sealing rings for water and wastewater piping.
Document History
February 8, 1999
Rubber sealing rings for water and waste-water piping
The standard specifies requirements and methods of test for solid rubber sealing rings for water and waste-water piping.
DS 521
August 18, 1989
Rubber sealing rings for water and waste-water piping
The standard specifies requirements and methods of test for solid rubber sealing rings for water and wastewater piping.
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