HG/T 20592  法兰盖 BL 250-6 RFp=26 fJFRJsRF@RF.105J000-R@Sch40ampamph10Samp=30 RF S=4 MF1510a)0@RFeR

BL250-6 RFp=26 fJFRJsRF@RF.105J000-R@Sch40ampamph10Samp=30 RF S=4 MF1510a)0@RFeR

SO 32-150 RF

WN 15(B)-16 RF S=4.5

BI1000-F/S

WN80(B)-16 RF S=4.5

BL 100-300 RF C=8

B WN 900-150 RF

LWN40-300MaFMfas=166 R

3 fm 2000-2.5Sch10S RFⅡ S=70 STFM3.816��