180 PP SERIES PP PIPE PN10 PP PIPE PN4 　 SOCKET 　 45゜ELBOW 　 90゜ELBOW 　 TEE 　 END CAP 　 LOOSE FLANGE 　 SOCKET FLANGE 　 FLANGE ADAPTER 　 FLANGE ADAPTER 　 WELDED FLANGE . 　 BLIND FLANGE(P) . 　 BLIND FLANGE(Q) . 　 REDUCER BUSHING 　 PREFAB JOINT 　 MALE ADAPTER 　 FEMALE ADAPTER 　 EF-SOCKET WELDING ROD