Flange Knowledge Of Industrial Hardware Parts

Flanges can be subdivided into flat welding flanges (plate flat welding flange PL, flat welding flange with neck SO), Butt welding flange (with neck butt welding flange) (WN), integral flange (IF), socket welding flange (SW), threaded flange (Th), butt ring loose flange (PJ/SE), flat ring loose flange (PJ/PR), flange cover (BL), lining flange cover (BL (S)) letters indicate each flange code

The sealing surfaces of flanges are RF (ordinary convex seal), M (convex seal), FM (concave seal), MFM (concave seal), T (tenon seal) TG (tenon and groove seal), RJ (ladder groove seal), FF (full plane seal).

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