Standard [CURRENT]
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This standard specifies the component parts and connection dimensions for flanged valves made of CuSn10-C, DN 20, DN 25 and DN 32, PN 25 designed as straight-way valves and which are used on board vessels. The shut-off and non-return valves described in this standard shall not be used for new design. They are further required for replacement, however. The standard has been revised as the material specified thus far is no longer available and therefore needed to be replaced.