NB/T 47021  法兰 M 800-1.6/58-60mpampampampampquoth

1 M 800-1.658-60mpampampampampquoth

WN 50(B)-25 RF S=4

SO 450(B)-10 RF

bl150-10rjRf0F6m3RF15Aot

WN 50(B)-25 RF S=5

PL450(B)-16 FM S=4

DN125-PN10 PL RF Ⅱ

PL1125B-16RF5 RJ ScF/da s15@°F1Ff@4 rf 1J n=16 l=30 d=

SO350(B)-40FFpampampampampampampampa