ASME B16.47  法兰 WN 42"-300 RF Sch40S

WN 42"-300 RF Sch40S

BL200-10rf

WN 3"-150 FF Sch40S90ES4302sRF@F000RF@F S rf

WN100-300RFS=4 rS@

WN20-900 RF Sch100

SO500B-10Trf

BL 108-16 RF/datch80S�rFFmpa1217.5 RJj@5c2@RF@443RF@AFF ScF&@RJРRFFR��F6B)5F&@t.5 RJ RFp

WN2"-150 RF