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Foreword 0 1 Scope 0 2 Normative references 0 3 Terms and definitions 0 4 Requirements 0 4.1 Rated working pressure 0 4.2 Leakage test (see 6.4) 0 4.3 Bodies and covers 0 4.4 Strength test (see 6.5) 0 4.5 Components 0 4.6 Non-metallic components (excluding gaskets, diaphragms and seals) 0 4.7 Clearances 0 4.8 Protection of orifices 0 4.9 Gauge connection 0 4.10 Operation (see 6.6) 0 4.11 Equilibrium time (see 6.7) 0 5 Production testing and quality control 0 6 Performance tests 0 6.1 General 0 6.2 Metallic materials, components (see 4.5.2) 0 6.3 Non-metallic components (see 4.6) 0 6.3.1 Air-oven ageing for non-metallic components (excluding gaskets, diaphragms, and seals) normally exposed to air 0 6.3.2 Warm water ageing for non-metallic components (excluding gaskets, diaphragms, and seals) normally exposed to water 0 6.4 Leakage test (see 4.2) 0 6.5 Strength test (see 4.4) 0 6.6 Operational tests (see 4.10) 0 6.7 Equilibrium time test (see 4.11) 0 7 Marking 0 8 Manufacturer’s installation instructions 0 Bibliography 0

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Author

ISO

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EN

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reference