RenLong

The technical requirements for pipe fittings are as follows:

The production processes of flanges are mainly divided into four types: forging, casting, cutting and rolling. Cast Flanges and Forged Flanges Cast flanges feature accurate blank shape and dimensions, small machining allowance and low cost, but they have casting defects such as air holes, cracks and inclusions. Besides, the internal streamline structure of castings is…

Production Process of Seamless TeesRaw material re-inspection; cutting and blanking; compression forming; shaping; end finishing; heat treatment; groove processing; finished product inspection; surface treatment; painting and marking; data verification; packaging and delivery The forming process of tee joints involves flattening a pipe blank with a diameter larger than that of the tee to approximately the…