ISO 4706:2008
(Main)Gas cylinders — Refillable welded steel cylinders — Test pressure 60 bar and below
Gas cylinders — Refillable welded steel cylinders — Test pressure 60 bar and below
ISO 4706:2008 specifies the minimum requirements concerning material selection, design, construction and workmanship, procedure and test at manufacture of refillable welded-steel gas cylinders of a test pressure not greater than 60 bar, and of water capacities from 0,5 l up to and including 500 l exposed to extreme worldwide temperatures (-50 °C to +65 °C) used for compressed, liquefied or dissolved gases. Transportable large cylinders of water capacity above 150 l and up to 500 l may be manufactured and certified to ISO 4706 provided handling facilities are provided. ISO 4706 is primarily intended to be used for industrial gases other than Liquefied Petroleum Gas (LPG), but may also be applied for LPG. For specific LPG applications see ISO 22991.
Bouteilles à gaz — Bouteilles en acier soudées rechargeables — Pression d'essai de 60 bar et moins
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 4706
First edition
2008-04-15
Corrected version
2008-07-01
Gas cylinders — Refillable welded steel
cylinders — Test pressure 60 bar and
below
Bouteilles à gaz — Bouteilles en acier soudées rechargeables —
Pression d'essai de 60 bar et moins
Reference number
ISO 4706:2008(E)
©
ISO 2008
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ISO 4706:2008(E)
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ISO 4706:2008(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and symbols. 2
4 Inspection and testing. 4
5 Materials . 4
6 Design . 5
7 Calculation of minimum wall thickness (sidewall and ends) . 6
8 Construction and workmanship. 11
9 Testing . 17
10 Acceptance criteria. 22
11 Technical requirements for new design type approval . 27
12 Markings . 28
13 Certificate . 28
Annex A (normative) Manufacturer's markings for LPG. 29
Annex B (informative) New design type approval certificate. 30
Annex C (informative) Acceptance certificate. 31
Bibliography . 33
© ISO 2008 – All rights reserved iii
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ISO 4706:2008(E)
Foreword
ISO (the Internat
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