Standard [CURRENT]
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This standard specifies the connection dimensions for the component parts of shut-off and non-return cones with plastic gasket, DN 40 to DN 300 according to VG 85033-4 and VG 85034-4. The shut-off and non-return cones 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.