ASME B16.47  法兰 WN 32"-75 RF B=800

a WN 32"-75 RF B=800

DN 125-Ⅱ-6 90ES

WN4"-150 RF Sch40�PL FF ⅡRF8=4�@RRF Sch1603

PL 100(B)-25 RF

SO 100-150 RF

WN4"-100 RF SCH80s4chF B=SC

JWN 150×200(B)-25 RF S=10

PL 32(B)-16 RF

WN200-25RJamp Sc4WN S�a RF��5RF2)0..00 R