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Reference number
ISO 4422-4:1997
© ISO 2024
ISO 4422-4:1997
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Part 4: Valves and ancillary equipment
Edition 1
1997-10
Withdrawn
ISO 4422-4:1997
25967
ISO 4422-4:1997
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications
Part 4: Valves and ancillary equipment
Withdrawn
(Edition 1, 1997)
New version available:
ISO 1452-4:2009
General information
Status
:
Withdrawn
Publication date
:
1997-10
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 12
Technical Committee :
ISO/TC 138/SC 2
ICS
:
93.025
23.040.20
23.040.45
91.140.60
RSS
updates
Life cycle
Previously
Withdrawn
ISO 4422:1990
Now
Withdrawn
ISO 4422-4:1997
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
20.00
1992-05-01
New project registered in TC/SC work programme
30
Committee
30.00
1992-10-01
Committee draft (CD) registered
30.20
1992-10-01
CD consultation initiated
30.99
1995-02-01
CD approved for registration as DIS
40
Enquiry
40.00
1995-09-06
DIS registered
40.20
1995-10-05
DIS ballot initiated: 12 weeks
40.60
1996-05-09
Close of voting
50
Approval
50.00
1996-11-12
Final text received or FDIS registered for formal approval
50.20
1997-04-24
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1997-08-26
Close of voting. Proof returned by secretariat
60
Publication
60.60
1997-10-16
International Standard published
90
Review
90.20
2002-02-04
International Standard under systematic review
90.60
2002-07-31
Close of review
90.93
2002-07-31
International Standard confirmed
90.20
2005-12-14
International Standard under systematic review
90.60
2006-09-08
Close of review
90.93
2007-03-29
International Standard confirmed
90.92
2007-07-10
International Standard to be revised
95
Withdrawal
95.99
2009-12-01
Withdrawal of International Standard
Revised by
Published
ISO 1452-4:2009
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