GB/T 12459  弯头 DN 50-Ⅱ-Sch40S90EL

DN 50-Ⅱ-Sch40S 90EL

BI 1200 ь╟21N RFRFJa

BL600-300RJc=1

ASME B16.5-2020 BL500-150 RF

SP-6@/-1.0FRFfrfRSch4025Ata50 /datafF sch40@quch4RF00F11S5c

SO65(B)-10 FM00(bFF259p B

47021 c-m500-1.0

PL 45(B)-16 RF C=15

BL500(B)-6FFRFTD/@aFR10RFF-40-RS

WN4