Valvolat industriale - Përmasat ndërmjet balleve dhe nga qendra në ballë për valvolat metalike për përdorim në sistemet e tubave me flanxha - Pjesa 2 : Valvolat e shënuara Class
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - Part 2: Class-designated valves
This part of this standard specifies face-to-face (FTF) and centre-to-face (CFT) dimensions for Class designated metal valves used in flanged pipe systems. This part of this standard covers valves having the following Class and DN values: - Class 125, Class 150, Class 250, Class 300, Class 600. - DN 10; DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN 100; DN 125; DN 150; DN 200; DN 250; DN 300; DN 350; DN 400; DN 450; DN 500; DN 600; DN 700; DN 700; DN 750; DN 800; DN 900; DN 1000; DN 1200; DN 1400; DN 1600; DN 1800; DN 2000.
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