JIS B2220  法兰 SOP FF 10K 50A SRF@F

SOP FF 10K 50ASRF@F

DN80-PN100 WN M Ⅱ S=4

DN400-PN2.5 WN RF II

Pl125(B)-16 RF

BL50(B)-900 Rj=6000h

so 600-16RF0 RF00O0@00 S rf 1JsRF@F RJFFFAFF@P2@RF@443RF@AFF6Sc2@RF@443RF@A43RF@A RF0 RF Sch40SP2@Fj@5@F SRF@441671FFRF@443RF@A

LWN300-2500 RJ Sch160