GB/T 29465  法兰 RF 2800-1.

5 RF 2800-1.

2 RF 1500-1.04

PL65-25RF D=180 B=7-1

WN 40(B)-40 RF

DN 500-Sch160 LJSRF B=

bl450-40 t/static/wn40-150rfsch4025-16 R

pl100(a)-25m/-16 RF-chs=150-15008RF0/7

so65b)-25rf090152fFpamp/-r δ0g

BL80B-63FM=5๏ฟฝD=15rj6

PL 800(A)-10 RFF5@PFF