BSI - British Standards Institution
No. of pages: 32
BS 558 - Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valves
Valves, Fluid equipment, Metals, Flanged fittings, Flanges, Dimensions, Dimensional tolerances, Gate valves, Butterfly valves, Plug valves, Diaphragm valves, Screw-down valves, Check valves, Ball valves, Designations
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