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IS0
INTERNATIONAL ORGANIZATION FOR STAN DAR DI ZATl O N
IS0 RECOMMENDATION
R 580
OVEN TEST FOR MOULDED FITTINGS
IN UNPLASTICIZED POLYVINYL CHLORIDE (PVC)
FOR USE UNDER PRESSURE
1st EDITION
April 1967
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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BRIEF HISTORY
The IS0 Recommendation R 580, Oven Test for Moulded Fittings in Unplasticized Poly-
vinyl Chloride (PVC) for Use under Pressure, was drawn up by Technical Committee ISO/TC 5,
Pipes and Fittings, the Secretariat of which is held by the Association Suisse de Normalisation (SNV).
Work on this question by the Technical Committee began in 1962 and led, in 1963, to the
adoption of a Draft IS0 Recommendation.
In June 1965, this Draft IS0 Recommendation (No. 821) was circulated to all the IS0
Member Bodies for enquiry. It was approved, subject to a few modifications of an editorial nature,
by the following Member Bodies:
Argentina France Netherlands
Australia Germany Norway
Austria Greece Poland
Belgium Hungary Portugal
Brazil India Spain
Canada Ireland Sweden
Chile Israel Switzerland
Czechoslovakia Italy U.A.R.
U.S.S.R.
Denmark Japan
Finland Korea, Rep. of Yugoslavia
One Member Body opposed the approval of the Draft :
United Kingdom
The Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council,
which decided, in April 1967, to accept it as an IS0 RECOMMENDATION.
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