... 30K HG PN0.25 - PN25 PN2.0 - PN42.04)Specification: from 1/2" to 80" (DN15 to DN20005) ... , axis , disk ,and unconventional parts, our forging flanges consist of 30 specifications derived from 7 standards, i ... the audit of ISO9001-2000 . We have exported flanges to north America market ,Europe market , Singapore market ... become a best partner in the field of flanges and forgings .If you have inquire list , ...