Трубопровідна арматура. Затвори дискові металеві загальної призначеності. Загальні технічні вимоги

1 2 4 1 2 4 5 5.1 5.2 5.3 5.4 5.5 5.6 6 6.1 6.2 6.3 6.4 7 7.1 7.2 8 9 10 11

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METALLIC BUTTERFLY VALVESFOR GENERAL PURPOSES

1 —? —? —? —? —? 40; 50; 65; 80; 10; 125; 150; 200; 250; 300; 350; 400; 450; 500; 550; 600; 650; 700; 750; 800; 900; 100; 1200; 1400; 1600; 1800; 2000
2,5; 6; 10; 16; 20; 25; 40; 50.
2 ISO 185:1988 Grey cast iron — Classification
ISO 1083:1987 Spheroidal graphite cast iron — Classification
ISO 2604-1:1975 Steel products for pressure purposes — Quality requirements — Part 1: Forgings
ISO 3755:1991 Cast carbon steels for general engineering purposes
ISO 4911 :- ISO 5208:1993 Industrial valves — Pressure testing of valves
ISO 5209:1977 General purpose industrial valves — Marking
ISO 5210:1991 Industrial valves — Multi-turn valve actuator attachments
ISO 5211 :- ISO 5752:1982 Metal valves for use in flanged pipe systems — Face-to-face and centre-to-face dimensions
ISO 5922:1981 Malleable cast iron
ISO 6708:- 3> ISO 7005-1:1992 Metallic flanges — Part 1: Steel flanges
ISO 7005-2:1988 Metallic flanges — Part 2: Cast iron flanges
ISO 7005-3:1988 Metallic flanges — Part 3: Cooper alloy and composite flanges
ISO 7268:1983 Pipe components — Definition of nominal pressure
ISO 9328-1:1991 Steel plates and strips for pressure purposes—Technical delivery conditions — Part 1: General requirements
ISO 9328-2:1991 Steel plates and strips for pressure purposes — Technical delivery conditions — Part 2: Unalloeyd and low-alloyed steels with speciefied room temperature and elevated temperature properties
ISO 9328-3:1991 Steel plates and strips for pressure purposes—Technical delivery conditions — Part 3: Nickel-alloyed steels with speciefied low temperature properties
ISO 9328-4:1991 Steel plates and strips for pressure purposes—Technical delivery conditions — Part 4: Weldable fine grain steels with high proof stress supplied in the normalized or quenched and tempered condition
ISO 9328-5:1991 Steel plates and strips for pressure purposes—Technical delivery conditions — Part 5: Austenitic steels.
ISO 185:1988 ISO 1083:1987 ISO 2604-1:1975 ISO 3755:1991 ISO 4991: ISO 5208:1993 ISO 5209:1977- ISO 5210:1991 ISO 5211: ISO 5752:1982 ISO 5922:1981 ISO 6708: ISO 7005-1:1992 ISO 7005-2:1992 ISO 7005-3:1992 ISO 7268:1983 ‘ ISO 9328-1:1991 ISO 9328-2:1991

ISO 9328-3:1991 ISO 9328-4:1991 ISO 9328-5:1991 3.1 3.2 3.3 4 5 5.1

5.2 5.2.1

5.2.2 5.2.2.1

S.2.2.2 5.2.3 5.3 5.4 5.4.1 5.4.2 5.4.2.1 5.4.2.1.1 5.4.2.1.2 5.4.2.2 5.4.2.2.1 S.4.2.2.2 5.4.2.3 5.5 5.5.1

L, 5.5.2

5.6 5.6.1 5.6.1.1 5.6.1.2 5.6.1.3 5.6.2 5.6.2.1 S.6.2.2 5.6.2.3 5.6.3 5.6.4 6 6.1 —? —? —? 6.2 —? —?

—? —? 6.3 —? —? 6.4 —? —? —? 7 7.1 7.2 PN 2,5; 6; 10 16; 20; 25; 40; 50 8 8.1 8.2 9 а?) 5, Ь?) 6, с?) 7, 10 11 — — — — □? — □? — I — — □? □? □? — □? — □? — □? —