HG/T 20592  法兰 PL 150-10 FF4.5Rs.256.3 RF=4-0.25

PL150-10 FF4.5Rs.256.3 RF=4-0.25

pl50-25 m

47065.2 A5/

JWN 40×80(A)-25 RF S=≥3.5

PL 300(B)-6 RF D=439 C=23

PL150 -40RF

SO 32(B)-16 RF

BL500-40 T

dn125-pn6 wn rf Ⅱ s=3.5

20615-wn50-150 rf sch7 R120 RF0150F S=3.0�63 fmFFRFam@F150 LGtoFa0Cquots00