ISO 6971:2002 Preview
Cranked-link drag chains of welded construction, attachments and sprockets
This standard was last reviewed and confirmed* in 2013.
*Therefore this version remains current
ISO 6971:2002 specifies the characteristics of cranked-link drag chains of welded construction suitable for conveying bulk materials, together with associated attachments and chain sprockets. The chain dimensions specified in ISO 6971:2002 ensure interchangeability of both complete chains and individual links for repair purposes.
ISO 6971:2002 is applicable to sprockets with between 5 and 20 teeth.
Specifications are also given for five types of attachment for use with the conveyor chains conforming to ISO 6971:2002.