JIS B2220  法兰 SOP FF 10K 250A أ آ¹�

SOP FF 10K 250Aأ آ¹�

wn15-40rj8Mfs

wn 65(B)-10 RF

pL200(b)-16RF/FRh500rf0rff/

WN 20-16 RF S=5

SO 3"-150 RF

WN 10"-900 RF B=193.7

SO 200(B)-10 RF/h10�0==47240

3 C3

PL 80-16 RF D=190 C=22.3 B=91 b=06R0R6.5sch..60В а RF b=3�5tF S=