ISO 10631:2013
Metallic butterfly valves for general purposes
ISO 10631:2013 specifies requirements for design, materials (e.g. steel, cast iron, ductile iron, copper alloy), pressure/temperature ratings, and testing for butterfly valves having metallic bodies for use in general purpose flanged or butt welding piping systems.
ISO 10631:2013 covers butterfly valves of the following nominal sizes, DN and NPS:
- DN 40; 50; 65; 80; 100; 125; 150; 200; 250; 300; 350; 400; 450; 500 (550); 600 (650); 700; 750; 800; 900; 1 000; 1 200; 1 400; 1 600; 1 800; 2 000; 2 200; 2 400;
- NPS 1 1/2; 2; 2 1/2; 3; 4; 5; 6; 8; 10; 12; 14; 16; 18; 20; (22); 24; (26); 28; 30; 32; 36; 40; 48; 56; 64; 72; 80; 88; 96.
ISO 10631:2013 is applicable to butterfly valves of the following pressure designations, PN and class:
- PN 2,5; 6; 10; 16; 25; 40;
- class 125; 150; 300.
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.5
Section sec_3.6
Section sec_3.7
Section sec_4
Table tab_1
Section sec_5
Section sec_5.1
Table tab_2
Section sec_5.2
Figure fig_1
Section sec_5.3
Section sec_5.3.1
Figure fig_2
Section sec_5.3.2
Section sec_5.3.2.1
Section sec_5.3.2.2
Figure fig_3
Section sec_5.3.2.3
Figure fig_4
Section sec_5.3.3
Figure fig_5
Section sec_5.4
Section sec_5.5
Section sec_5.5.1
Section sec_5.5.2
Section sec_5.5.2.1
Section sec_5.5.2.2
Section sec_5.5.2.2.1
Section sec_5.5.2.2.2
Section sec_5.5.2.3
Section sec_5.5.2.4
Section sec_5.6
Section sec_5.6.1
Table tab_a
Figure fig_6
Table tab_3
Table tab_b
Figure fig_7
Table tab_4
Section sec_5.6.2
Table tab_5
Section sec_5.7
Section sec_5.7.1
Section sec_5.7.2
Section sec_5.7.2.1
Section sec_5.7.2.2
Section sec_5.7.2.3
Section sec_5.7.3
Section sec_5.7.3.1
Section sec_5.7.3.2
Section sec_5.7.3.3
Section sec_5.7.4
Section sec_5.7.5
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.3
Section sec_6.4
Section sec_7
Section sec_7.1
Section sec_7.2
Table tab_6
Section sec_8
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_10
Section sec_10.1
Section sec_10.2
Table tab_7
Section sec_11
Annex sec_A
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Reference ref_6
Reference ref_7
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature ratings
5 Design
5.1 Wall thickness
5.2 Construction examples
5.3 End connections
5.4 Shaft
5.5 Operation
5.6 Force or torque to be applied to manually actuated valves
5.7 Dimensions and tolerances of body ends
6 Materials
6.1 Body
6.2 Disc
6.3 Shaft
6.4 Seating
7 Suitability of use
7.1 Allowable leakage rate
7.2 Flow velocity
8 Marking
9 Testing
10 Inspection and preparation for despatch
11 Example of data sheet
Annex A (informative) Example of data sheet
Bibliography
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Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
Section sec_3.2
Section sec_3.3
Section sec_3.4
Section sec_3.5
Section sec_3.6
Section sec_3.7
Section sec_4
Table tab_1
Section sec_5
Section sec_5.1
Table tab_2
Section sec_5.2
Figure fig_1
Section sec_5.3
Section sec_5.3.1
Figure fig_2
Section sec_5.3.2
Section sec_5.3.2.1
Section sec_5.3.2.2
Figure fig_3
Section sec_5.3.2.3
Figure fig_4
Section sec_5.3.3
Figure fig_5
Section sec_5.4
Section sec_5.5
Section sec_5.5.1
Section sec_5.5.2
Section sec_5.5.2.1
Section sec_5.5.2.2
Section sec_5.5.2.2.1
Section sec_5.5.2.2.2
Section sec_5.5.2.3
Section sec_5.5.2.4
Section sec_5.6
Section sec_5.6.1
Table tab_a
Figure fig_6
Table tab_3
Table tab_b
Figure fig_7
Table tab_4
Section sec_5.6.2
Table tab_5
Section sec_5.7
Section sec_5.7.1
Section sec_5.7.2
Section sec_5.7.2.1
Section sec_5.7.2.2
Section sec_5.7.2.3
Section sec_5.7.3
Section sec_5.7.3.1
Section sec_5.7.3.2
Section sec_5.7.3.3
Section sec_5.7.4
Section sec_5.7.5
Section sec_6
Section sec_6.1
Section sec_6.2
Section sec_6.3
Section sec_6.4
Section sec_7
Section sec_7.1
Section sec_7.2
Table tab_6
Section sec_8
Section sec_9
Section sec_9.1
Section sec_9.2
Section sec_10
Section sec_10.1
Section sec_10.2
Table tab_7
Section sec_11
Annex sec_A
Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Reference ref_6
Reference ref_7
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature ratings
5 Design
5.1 Wall thickness
5.2 Construction examples
5.3 End connections
5.4 Shaft
5.5 Operation
5.6 Force or torque to be applied to manually actuated valves
5.7 Dimensions and tolerances of body ends
6 Materials
6.1 Body
6.2 Disc
6.3 Shaft
6.4 Seating
7 Suitability of use
7.1 Allowable leakage rate
7.2 Flow velocity
8 Marking
9 Testing
10 Inspection and preparation for despatch
11 Example of data sheet
Annex A (informative) Example of data sheet
Bibliography