GB/T 9124.1  法兰 DN800-PN25 PL FF Ⅰ

DN800-PN25 PL FF I

DN150-PN25 PL RF I

DN700-PN10 PL RF Ⅱ

WN150B-25RF S=10

SO 150(B)-25 RF

SO 250(B)-10 RF

BL 40-160 RF

WN 40-600 RF

PL 400(B)-10 RF C=10

WN100-16RF-2100 WM/-c30RFfpb)-16 rfJH/4000/ B2S T001115RFmnii(b)-16 rfFS=180 RFch80C65(B)-c00b4