... spigot.All above fittings Specification are from DN50 to DN2000 EXCEPT double flange pipe. Double flange pipe: length up to 2000MM, ... the Xiafen Expressway and Dayun Expressway, 50 kilometers far away from Taiyuan, covers an area of 62,000 square meters, ... products have been made such as double flanged series, push-on socket pipe fittings, K-type bolted gland pipe fittings, PVC pipe fittings series, ...