... , all flangedcross, double flanged taper, flanged spogot, blank flange, double flanged 90 long radius bend, doubleflanged 90 ductfoot ... Specification are from DN50 to DN2000 EXCEPT double flange pipe. Double flange pipe: length up to 2000MM, ONLY for ... Steel grade 4.8COUPLINGS & Flanged Adaptors specification: DN50-DN600.Accessories of Coupling & Flanged Adaptors: Gasekets according with EPDM Bolts & ...