Standard [CURRENT]
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This standard specifies the dimensions and materials for security wires for flanged valves (shut-off and non-return valves, DN 20, DN 25 and DN 32, PN 25) in accordance with VG 85033-1 and VG 85034-1 and fire valves in accordance with VG 85056-1. The standard has been revised as the previously specified material is no longer available and therefore needed to be replaced.