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BS EN 50216-8 - Power transformer and reactor fittings Part 8: Butterfly valves for insulating liquid circuits
February 21, 2006
- BSI
A description is not available for this item.
DS/EN 60534-3-2 - Industrial-process control valves - Part 3-2: Dimensions - Face-to-face dimensions for rotary control valves except butterfly valves
July 8, 2002
- DS
This part of IEC 60534 applies to the following control valves: - types: segmented ball and eccentric rotary control valves with or without flanges; - nominal sizes: DN20 up to and including DN400.
DS/EN 60534-8-3 - Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method
February 11, 2011
- DS
IEC 60534-8-3:2010 establishes a theoretical method to predict the external sound-pressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids. This method considers only single-phase dry gases and vapours and is based on the...