等径三通 DN 80-Ⅱ-3TS4/78-150=59 a=42 s=30/70-1

DN 80-Ⅱ-3 TS4/78-150=59 a=42 s=30/70-1

PL65B-16RF b=3 C=19

wn65(b)-16 rf s=5mm-6RF C=25 H=45RF3h40m=m009/8f r /8R8WN 2/

wn80(a)-150rf sch4

WN300(A)-25 M0b7e5/

SP-6-20-12022 RF83.5-1510-2.5 S=5-25R6=.00-b)-10rfF S=7.9

PL65-25 MrSb=8 B1=2

WN50-600 RF